Bulletins

BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
990602012D04/01/2002990602012C634218Subject regarding rust in cooling system, heater inoperative, blows cold air, engine overheats (flush cooling system). nlm09/28/2002
990602012C06/01/2001990602012B623086Some customers may comment that the heater is inoperative, blows cold air, engine may exhibit an overheat condition or the coolant reservoir has rust in it. *tt10/26/2001
990602012B02/01/2000990602012A611277Some customers may comment that the heater is inoperative, blows cold air, engine may exhibit an overheat condition or the coolant reservoir has rust in it. *tt05/31/2000
990602012A01/01/2000990602012609717Some customers may comment that the heater is inoperative, blows cold air, engine may exhibit an overheat condition or the coolant reservoir has rust in it. *tt04/07/2000
99060201206/01/1999606523Conditions with heater inoperative, blows cold air, engine overheats, and rust in the coolant system. *tt08/26/1999
ENGINE AND ENGINE COOLING - ENGINE
03060102408/01/200310004371Rattle noise in engine. *tt12/04/2003
030601024A03/01/2004030601024B10004301Rattle noise in engine. *tt12/01/2003
676114A03/01/199752601Engine noise (install valve stem oil seal). *tw08/21/1997
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
31100110/31/2001628070Some vehicles may exhibit an exhaust noise, rattle noise at 550 rpm. *tt03/05/2002
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL
77651204/01/199752347Engine rough, miss, and oxygen sensor dtc's (replace oxygen sensor jumper harness). *tw07/24/1997

Consumer Complaints

Fail datemilesoccurencesPurchase date
ENGINE AND ENGINE COOLING
04/23/2009977451
 I purchase my vehicle used on 12/4/01 , i have had to replace the temperature gauge every year because it indicates it is overheating. 3 weeks ago it started saying it was overheating and smoke filled the interior of my vehicle with fumes. it was repaired. at 3:15 p.m. today, my car indicates it is overheating and now the service car light is on. this has been an ongoing issue with the coolant system. as soon as i turn the car on it indicates it is overheathing. happening too many times. *tr
07/22/20071650001
 Tl*the contact owns a 1996 chevrolet blazer. the contact stated that the air conditioner would not function. in addition, the radiator hose was leaking and the vehicle was taken to a repair shop for inspection. the contact was informed that there was a crack on the block (heater core) of the radiator. the radiator hose was leaking at the connection of the hose. the vehicle also overheated at times, in which the mechanic stated that this failure was included in nhtsa campaign id number 06e043000 (fuel system, gasoline). the dealer refused to perform the recall repair because other work needed to be done at the contact's expense. the current mileage was 169,123 and failure mileage was approximately 165,000. updated 09/15/08 *bf the consumer stated brown sludge was found in the radiator. updated 09/18/08. *jb
10/31/20061740001
 Dt*: the contact stated shortly after the vehicle was parked, flames were noticed dropping to the ground under the front end of the vehicle. grey smoke was also observed coming from under the hood. the vehicle burned completely, and was considered a total loss. there was a police report and a fire department report processed at the scene. the heat from the fire melted the rear end of another vehicle parked in front of it, and did moderate damage to a third vehicle parked alongside the second vehicle. *ak updated 12/01/06. *jb
03/22/2005895000601/15/2004
 Purchased 1996 chevy blazer 1/15/04 from carmax. experienced frequent issues with heating and cooling. 3/22/05 1st mechanic found no trouble for 2 days, then determined thermostat was bad. 2nd mechanic replaced thermostat. broke down twice due to pressure in cooling system forcing radiator hoses off. 6/4/05 mechanic reseated hoses & clamps, replaced radiator cap, and flushed system. 25 miles away from shop temp shot up to 260 degrees and blew all fluid out. tried refilling and water is rushing out of the radiator end caps as fast as we're filling it. there's an extremely high level of sludge that appears to be dex-cool related in the overflow tank and has also been seen in the fluids that have been draining during breakdowns.
12/15/20020
 Our blazer started over heating, we had it flushed due to a mud looking sluge in the cooling system and a new thermostat put in. about a month later it started over heating again. we again had it flushed and another new thermostat put in. a few weeks later it again over heated we had it towed in and found out that this time it had caused the motor to blow. we contacted gm they said it was not their proublem it was dexcool, we contacted dexcool and they said it was gm's proublem. we got the run around so we contacted the atty generals office and filled a complaint with them.
812/30/1998
 Most of the problems that surfaced had already been repaired at least once. *ph most of the problems had already been repaired at least once under warranty and have recurred. the a/c seal leaked and needed a pump. there were problems with the idler pulley, oil filter lines, crank shaft,door hinges, power steering, throttle positioner sensor 2, left front axle seal, and the differential side covers. *sc *mr *jb
12/30/20030
 I have had to change the oil coolant lines on my 1996 s-10 blazer 5 times since i have owned the auto. i purcheased it in 1998. it was still under warranty then, and the first time they did the work free of charge. since then, every 12-18 months i find oil dripping in my garage, and i am told it is these lines. i have been told by 3 different mechanics that these vehicles are notorious for this problem. can't anything be done!!
09/24/200348000
 Replaced head gaskets at 48k and again at 80k. either dexcool eats the gaskets, or the gaskets go bad and let air into the cooling system which causes the dexcool to go bad. i read a lot of complaints about dexcool, head gaskets, and 1996 blazers. there must be a connection.
08/16/200350000504/19/1996
 I have a 96 chevy blazer with cooling problems. i have replaced the water pump 2 times in the last yr. the radiator needs to be flushed and clean about every 2 months due to slugged and rust build up. i have also had the upper ball joints break on me. *jb
01/02/200387734008/15/1996
 Dealer replaced heater core due to leak and found sludge in cooling system (dex cool). heater core replaced and system flushed 4 times. heater core replaced again on 1/19/03, water pump replaced in 2/03. radiator has large leak 5/22/03. sludge visible in radiator and overflow bottle. dealer/gm indicates problem with sludge build up caused by owner not maintaining system. head gasket replaced in 2001 and windshield wiper circuit board in 2001 (bad solder joint) - gm indicated the windshield wiper problem not associated with vin number. all costs out of pocket. *nlm
10/21/1997107/30/1996
 Vehicle was running hot, it would go past the half point and then would drop back, dealer states that this was normal. *slc
102/16/1996
 The entire engine cooling system failed. nlm
02/25/199911/01/1995
 Temp gauge climbed into red.per dealer coolent was contaminated. blazer has never had anyone but dealer perform maintence etc...dealer could not find any reason for coolent to become contaminated. i understand there was infact a bullentine release for this & customers not notified because it was not causing any danger to passengers. however, it was costly to repair.
12/01/1995
 I had to replace the front brakes and get new rotors after 30,000 miles. brakes are very loose, takes a lot of pressure to get them to stop. dealer said my brakes were worn out, and needed to be replaced just 15k miles after the first service. anti-lock feature kicks in when i drive over potholes or ice, and did not use the brakes. also, windshield wiper problem. wipers stop working intermittently. dealer replaced the motor. dealer said motor had shorted out, but the problem started to occur again. when the wipers stop and later start, after manipulating the controls, the overhead digital temperature guage turns off and on. power window stuck in down position. has been replaced twice. these three electrical problems (wiper, window, digital guage) seem related as they all cause a battery drain as indicated through the volt meter. battery went dead after 6 hour road trip. approx 50k miles on vehicle at time. had been running the a/c the whole time, which seemed to drain battery. *ak
ENGINE AND ENGINE COOLING - COOLING SYSTEM
08/04/20061012/10/2003
 Purchased vehicle 12/03 since then have replaced: water pump 3 times, radiator, thermostat, left upper ball joint, upper manifold gasket, main real seal. over the past 6-8 months i have noticed the braking issue several times (more than 10.) luckily none were emergency stops, however when braking due to traffic light change or stopping while going downhill, the brakes chatter, an audible whine is produced, and it is necessary to pump the brakes before it will regain pressure and stop. *jb
04/02/2004840001
 The radiator and cooling system on my 1996 chevrolet balzer gets rusty and clogged every couple of years. in 1998 the whole radiator was taken out and boiled. in 2001 the cooling system was flushed again due to rust and clogging. and now, april 2004, the system has clogged again and causes engine overheat. gm uses dex cool which is supposed to last five years, but every couple of years this coolant seems to clog the system and requires an overhaul costing around $400. *la
01/14/2004206/16/1996
 Engine coolant at 50,000 miles turned to a muddy substance. 1 yr later and 30,000 miles it has happened again. the dealer did a power flush at the 50,000 and gm covered 2/3rds of bill now i am told i must change heater core and power flush again at a cost of over $800. . gm will not cover any expense. it is said that my anti freeze should last 100,000 miles ,as you can see it did not last 50,000 miles. *cb
11/18/200352535108/27/1996
 My 1996 chevrolet blazer with less than 53,000 miles has no heat and started overheating. i took it for service and was informed that the dexcool that was guaranteed for 100,000 miles had failed. the radiator was partially blocked and the heater core was blocked. both the radiator and the heater core need to be replaced because of the sludge and rust that was in the cooling system. *la
09/24/200348000
 Replaced head gaskets at 48k and again at 80k. either dexcool eats the gaskets, or the gaskets go bad and let air into the cooling system which causes the dexcool to go bad. i read a lot of complaints about dexcool, head gaskets, and 1996 blazers. there must be a connection.
06/17/20033400006/28/1999
 1996 chevrolet blazer has had numerous problems with cooling system due to bad anti-freeze general motors used in the vehicle of this vintage. they charged me to have the system flushed out because the anti-freeze would clog the heater coils. no heater in winter. previously the vehicle was over heated and dealership replaced the thermostat and water pump plus seals and head gasket due to the engine running too hot. this is the 4th time i'm returning it and now they want me repair or replace the radiator. it is still running hot. it is my understanding from talking to the mechanics that this is a problem for vehicle of this vintage and it took a couple of years for gm to change anti-freeze manufacturers. do i have any recourse? *nlm
05/12/20035900007/05/1996
 I own a 1996 chevrolet blazer which i purchased new in 1996. it now has 59,000 miles on it. we have regularly scheduled maintenance done on the car, along with scheduled oil changes, checking belts, hoses, etc. we are constantly having our brakes repaired/replaced. last year we needed to have a brake booster replaced which cost us over $700 and today we were told that our entire cooling system is corroded...$1,900. at 59,000 miles i certainly don't think this should have happened. *nlm
01/05/20029900003/14/1996
 Windshield wipers front & rear failed, water pump quit, drive shaft broke, ball joints right front broke, heater quit, air conditioner quit. drivers side rear view mirror fell off, steering problems, brake problems, universal joints worn out, cracked front rotors,etc. *jb
01/26/200383500312/15/2002
 Just brought 96 blazerls with 82,000 in dec.02. was told that the only problem was they had to have the transmission replaced at 20,000. well,83,000 miles the heater was on hot blowing when i noticed that it turn cold and the gage went to the red zone. i immediately turn swiches off on the blower it went back to normal. two days later it happen again but i turn off the heater and blower completely it went back to normal. we thought the termostact got stuck and replaced it . at that time we notice that it was gel up over the termostact, after replacing it , we tested drove it and it still did the same thing again. we looked at the radiator and found that it was gel up and look like rubber. we then decided to check the fluid in the transmission we noticed that the dipped stick was rusted on the outside and was rusted the length of the stick the fluid was rusted. we will now have to flushed the radiator and transmission. i had checked your site and found no recalls or service bulletins on the geling and transmissions before buying. tell today when i decided to checked out complaints and found that there was 54 and couple with the same problems of geling and transmission problems. so i decided to check out 98 because my sisterinlaw had just brought one and no recalls or service bulletins but they are compalints of cool heating (probably from geling anitifreeze) and transmissions being replaced once ,twice and i guy 3 times. so i check 2001 and they was someone else replacing a transmission. something is very wrong when there is geling of antifreeze from 96 to 98 and replacing transmissions left and right since 96. to me chevrolet has a bad transmission problems and geling problems in these blazers getting away with it. from now on i'll check out complaints before recalls or service bulletins there's the consumers eyes and ears.
1
 Consumer states vehicle has a engine cooling system problem.(dex-cool engine coolant). nlm
1
 Consumer states vehicle has an engine cooling system problem.(dex-cool engine coolant). nlm because of crystalization, the cooling system needs repair. gm refuses to offer any type of assistance. *jg
06/20/2002406/01/2096
 02/17/00 (36417 miles)--cooling system flushed per tsb #99-06-02-012 and heater core replaced. 6/15/00 (39128 miles)--cooling system flushed per tsb. 11/15/00 (42626 miles)--cooling system flushed per tsb. 6/2/02 (60,715 miles)--radiator and heater core replacement and cooling system flush required.
04/13/2002206/01/2096
 Entire cooling system clogged with a sandy substance. mechanic says radiator, water pump, thermostated, and a number of other componets need to be replaced at a cost of over $1500.00. mechanic says he is seeing this on a regular basis with 1996 blazers. while a number of complaints in your database point to problems with the dexi-cool coolant, the mechanic says in his view it is not the coolant as this problem is only with 1996 blazers. he believes it is sand from a faulty problem with the engine blocks were cast. the excess sand is now breaking off and clogging the coolant systems causing major repairs. gm has ignored all complaints. this is a major problem as the vehicles are overheating and resulting in people getting stranded on highways, etc.
 While driving engine does not heat up to proper temperature in the winter months, and in summer months it overheats. chevrolet has admitted to the problem, but will not do anything about it. please provide any further information. *ak
05/08/2001209/01/1998
 Http://www.geocities.com/b_gillie/dexcool_problems.html & http://www.bigclassaction.com
03/11/2002112/01/1997
 This cooling system failure has resulted in my having to replace the heater core and hoses as well as the radiator due to the amount and thickness of the corrosion/rust inside. the system will have to be flushed...chevy is aware of this issue as referenced by their repair bulletins...the extend and cost of the damage is understated.... im out of pocket $1400 to replace a radiator a heating core and other component due to not being notified sooner about the possibility of the problem occurring and thereby having the vehicle inspected for the probably issue!
02/15/2002103/01/1996
 Many problems are continuing. currently, the front suspension needs repaired, the brakes were replaced at 18000 and are now gone again, the rear seals are leaking damaging the rear brakes, the drive lights still flash intermittently, a smell of gasoline is in the vehicle after refueling, the engine pings no matter what fuel is used. nothing the dealer has done has solved the multitude of problems. seat belt problems on passenger side, interior trim fell off, on and on.
02/01/2000405/01/1996
 Contaminated coolant four times in last two years, believe that combination of bad product and location of radiator lines causes this very expensive repairs. seem to be limited to 1996-1997 blazers, jimmys, sonomas, s10s etc. it is a joke about their 100,000 mile coolant, should be a class action suit because there are hundreds of owners with this problem.
11/29/2000412/01/1995
 Vehicle was not blowing heated air. after initial analysis of closest dealer (fox chevrolet - laurel md.), it was diagnosed that engine coolant had jelled. i instructed them not to repair due to excessive estimate to fix (and paid them their evaluation fee under protest), and arranged to take vehicle to dealer where the vehicle was purchased. they diagnosed the heater core needed to be replaced. problems persisted over the next months and the vehicle was returned 3 additional times. rust and/or jell in the system due to the dex-cool coolant was continually discussed as the root cause and the system had to be blown out several times yet the dealer nor the manufacturer would take any responsibility for the coolant problem. i pointed our that the system is labeled to not require any service/maintenance until 100,000 miles but they continued to not accept any responsibility. i requested copies of the manufacturers service bulletin on this problem to understand more of the specifics of the issue and to confirm that it was a known problem. recently (july 2001) i am continuing to have problems with gauges indicating a potential overheat condition which i suspect is a continuation of the blockage in the coolant system since i had the thermostat diagnosed as working.*ak
09/10/2000101/01/1996
 No summary listed for above vehicle. *ak
05/08/2001109/01/1998
 Had to have transmission repaired twice within a year of owning 96 blazer. first repair was done by denooyer chevrolet, just about a year later the transmission went again, with no help from chevrolet i had transmission repaired at buff o matic in glenmont, ny (with no problems thereafter). then had to have practically entire cooling system cleaned and repaired by depaula chevrolet due to dex-cool anti-freeze crystallizing within engine, again with no help from chevrolet i had to dish out money for repair. gm and chevrolet should be resposible for both my repairs. i am currently working with the bbb, attorney general and a personal attorney to hopefully recoupe damages.*ak
01/12/200102/01/1999
 My blazer was over heating the coolent was flushed, it over heated again the thermostat was replaced, it over heated again the cooling system was flushed and a new thermostat was put in, again it over heated and this time blew the engine. *ak
06/14/2001203/01/2000
 Radiator and engine completely flushed, cap and thermostat replaced due to mud in system.dealer told me mud was actually metal and sand left in engine block during the production/milling process. 1 month after flush the system is clogged again with this mud. dealer saying another flush is needed along with possible water pump and heater core replacement. dealer and other local car maintenance companies said they have seen this many times in these blazers. this is obviously a problem gm should be held accountable for.
04/22/2000110/01/1996
 I think that the proper way to address this situtation is to not buy another chevrolet. no safety defect mentioned in summary. *ak
03/01/200110/01/1996
 Steering became hard to steer even though power steering. i was told by dealer p/s pump was leaking and lack of fluid made steering difficult. i feel with the low milage of 53,000 this should not be a problem and could have resulted in more severe problems if pump had completely leaked empty causing loss of power steering. *ak
12/01/2000
 Heating and cooling system can create a flood in engine. contacted dealer, and dealer had to flush radiator with acid flush type liquid. dealer was not willing to do anything. *ak
02/28/2001104/01/1996
 Dexacool engine coolant turned to mud causing the engine to over heat and resulting in total replacement of radiator and associated systems. upon further investigation gm is having problems with the dexacool service bulletin issued. gm has charged a $500 deductable. it still should be covered under the 5yr/100,000 warrenty. gm customer service has provided no help. please advise what my next step should be. thanks
07/01/200003/01/2000
 No summery listed for above vehicle. *ak
02/28/2001310/01/1996
 No major safety problems. however, signficant mechanical problems with very moderate mileage. mechanical problems include steering linkage, water pump, starter, head gasket.
02/15/2001207/01/1999
 On 8/18/1999 i took my 1996 chevy blazer to superior chevrolet (merriam, ks 913-384-1550) because the engine cooling light kept coming on. as soon as i told the service representative about the problem he replied that this was a very common problem with 1996 blazers due to a defective coolant (dex-cool) that was used in the vehicle. they said that the fix was to flush the cooling system in accordance to gm service bulletin no. 99-06-02-012 (of which i have a copy). at this time they charged me $543.96 for the flush. as i investigated the incident more i found from several of the service personel at this dealership, as well as from the service manager (james ayres 913-789-4306) that the problem with the dex-cool coolant was very common with 1996 &1997 blazers. i then questioned why the consumer should pay for an inferior coolant that was used in these vehicles. as i pursued my complaint more, the service manager ended up contacting the area rep for chevy, who in turn ended up reimbursing me approx. $312. of my $543. at the time i figured that i better take what i could get, and that the problem was resolved.... well here i am 18 months later and 19,200 miles later and the coolant light came on again. once again i took the vehicle to superior chevrolet, and once again there is a problem with the cooling system due to the dex-cool coolant according to the service reps and service manager. this time though the service manager says that the entire cooling system (radiator, heater core, and water pump) all need replacement because the dex-cool has gelled up throughout the system. mr. ayres has told me that to repair this would cost $2100., but because we had the system flushed just 18 mo. ago, and because the problem with this dex-cool coolant is so common that he would only charge me $1300. i voiced my concern of why the consumer should pay for a problem that is commonly known at chevrolet. please contact me at the listed phone numbers. thanks. *ak
12/23/2000106/01/1996
 Radiator coolant rusted. *ak
05/01/1996
 Failed dex-cool. called dex-cool and they said the problem was gmc. called gmc and they said to contact dealer. dealer said to drain dex-cool and flush and fill with green anti freeze immediately. dex cool turns to gell per dealer. they notify all customers to drain dex-cool.*ak
02/25/199911/01/1995
 Temp gauge climbed into red.per dealer coolent was contaminated. blazer has never had anyone but dealer perform maintence etc...dealer could not find any reason for coolent to become contaminated. i understand there was infact a bullentine release for this & customers not notified because it was not causing any danger to passengers. however, it was costly to repair.
11/01/2000103/01/1996
 No summary listed for above vehicle. *ak
02/01/1999
 Air conditioner starts blowing cold, when idle engine overheats and air cond. blows hot...when driving about 2000rpm constantly, engine cools and air cond. blows cold.
09/03/2000112/01/1998
 Engine cooling system failed do to the dexy cool coolant used in the engine. it is suppose to be good up to 100,000 miles. the coolant jelled at 84,605 causing the heater core and the radiator to become rusted and clogged. the dealer estimated the repair to cost 1795.00
06/01/1996
 No heat in vehicle; was told that this could be due to faulty dex-cool antifreeze. gm has issued a service bulletin but no recall has been done. no heat means fogged windows in the winter and in the rain. flushed the radiator and the entire system was completely clogged with the defective, broken down antifreeze in the form of thick brown sludge.
01/01/1998203/01/1996
 2nd time this happend.at 30000miles .now at 67000. no safety defec tlisted within summary. *ak
07/21/2000107/01/1998
 Engine overheated,oil pressure increased, i brought it salisbury chevrolet. they advised me that engine needed to be replaced. there were not any warning signs prior to incident. dealer advises that engine should not be disassembled due to cost of job andstrain on bearings.
09/27/1999206/01/1996
 It is a problem with pink cooland in 9 months it happened again. *ak
 Engine coolant has turned into mud. a technical service bulletin has been issued.*ak
06/20/2000208/01/1998
 My son has a 1996 gmc jimmy that has had the same problems. he has had to have his radiator removed and cleaned out twice and have the water pump replaced once. general motors knows of this problem but has not issued a recall. there is a label in front of the radiator that states that the coolant does not require service for 100,000 miles. this coolant causes some of the engine components to rust ( ex. heater nipple) someone at the dealership admitted that they see many vehicles every day with this problem. *ak
05/01/200002/01/1998
 We are having a problem with the blazer overheating. and also it wont blow hot air from the heater. when the air conditioning is on it also overheats. we had it to the garage and got an estimate of $350.00 to repair this and we were also told that they had alot of other 96 blazers coming in with the same problem. i think there should be a recall on this and it shouldnt be up to us the people to pay for this problem if it is gms fault for this!! could you please do something about this!! *ak
12/01/1999107/01/1996
 Vehicle experienced the situation which is stated in sb #99-06-02-012b, radiator cap had rust and gritty material lodged under it. *mjs
 At 33000 miles radiator malfunction causing the vehicle to overheat, coolant was corroded. the radiator and engine was flushed and the water pump replaced and new coolant put in.
02/19/200010/01/1995
 Coolant,rusty appearance in reservoir/radiator,dealer claims contamination of dexcool.this is a sealed system,gm contaminated system let them fix.claim denied 2/19/00 ball joints breaking? sloppy,loose sensation in turns,popping of tire/wheel area
08/07/199807/27/1996
 Water pump failed. yh
07/22/1999104/01/1998
 Cooling fan blade disentegrated and parts caused damage to radiator, hood insulation, misc. other parts in engine compartment
01/06/1999
 Car had no heat brought to dealer said sys was all clogged up and was due to someone putting in foreign substance but was not case anti freeze failed i've heard 5000 cars had same complaint but gm not responding to mine problem is with this dex cool please let me know if u have any info on this situation
02/02/1998101/15/1998
 Oil cooling lines rub against oil pan.
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
08/01/1996105/01/1996
 Fan became loose due to failed bolt.
02/01/1996111/01/1995
 Fan belt failed.
08/30/1996108/19/1996
 Transmission slipping when weather becomes hot the problem gets worse. attempting to pass someone vehicle may slowly accelerate, and may not even start from stop signstraffic lights. also cooling fan clutch lockes at 200 degrees fahrenheit. removing h.p. from engine so there is not enough power to accelerate vehicle. fire burned a/c compressor/clutch. *ak
07/01/1996
 Engine cooling fan bolt came loose and belt came off, causing a loss of control of vehicle. *ak
ENGINE AND ENGINE COOLING - COOLING SYSTEM - HOSE
03/11/2002112/01/1997
 This cooling system failure has resulted in my having to replace the heater core and hoses as well as the radiator due to the amount and thickness of the corrosion/rust inside. the system will have to be flushed...chevy is aware of this issue as referenced by their repair bulletins...the extend and cost of the damage is understated.... im out of pocket $1400 to replace a radiator a heating core and other component due to not being notified sooner about the possibility of the problem occurring and thereby having the vehicle inspected for the probably issue!
02/05/200106/01/1996
 Failed oil cooler lines. dealer reports many owners of blazers and s-10 pickups have had both oil cooler lines replaced.*ak
03/05/1999
 Engine cooling line had a leak/crack which caused oil to leak and may result in a fire. common problem. these parts are high demand. please provide further information. *ak
ENGINE AND ENGINE COOLING - COOLING SYSTEM - RADIATOR ASSEMBLY
01/21/2003950004
 After the consumer parked the vehicle it was discovered that anti freeze had a thick muddy texture in the radiator. this condition caused the vehicle to overheat on numerous occasions. consumer has flushed the radiator three times within the last six months. the dealer examined the vehicle, could not find the cause of the problem.*ak
07/25/2002212/01/2095
 In jan 99, thermostat appeared to fail and when i opened the radiator cap, noticed what looked like mud/grit in cap. took the truck to the chevrolet dealer, they said they did not know what it was. ended up replacing intake manifold gasket, pulling and repairing/cleaning radiator and replacing thermostat. in july 2002, truck overheated again. took it to firestone where they recommended $1200 in repairs to flush out coagulated coolant (dexcool). ended up replacing radiator, radiator cap, and thermostat (again) and flushing entire coolant system. firestone personnel said this was a recurring problem on the blazers with the dexcool breaking down and turning into a brown, muddy, gummy substance. accoding to firestone, gm has several tech bulletins out on this, but they refuse to do anything about it. this dexcool broke down after only 30,000 miles. why has nothing been done about this? gm is knowingly selling a deficient product and they refuse to stand behind it. please, can someone out there help us!?!?!?!*ak
 Radiator clogged with gunk caused vehicle to overheat. this has reoccurred within a year after dealership repaired the problem. please describe details. *ak
03/11/2002112/01/1997
 This cooling system failure has resulted in my having to replace the heater core and hoses as well as the radiator due to the amount and thickness of the corrosion/rust inside. the system will have to be flushed...chevy is aware of this issue as referenced by their repair bulletins...the extend and cost of the damage is understated.... im out of pocket $1400 to replace a radiator a heating core and other component due to not being notified sooner about the possibility of the problem occurring and thereby having the vehicle inspected for the probably issue!
01/10/200201/01/2002
 After recently buying this vehicle we noticed the air coming from the vents was not exactly warm. took it to be repaired and was told it was probably a thermostat problem since the vehicle was so new. unfortunately, it ended up being the heater core(which from what i am hearing is extremely rare for a vehicle of this age).*ak
01/12/200102/01/1999
 My blazer was over heating the coolent was flushed, it over heated again the thermostat was replaced, it over heated again the cooling system was flushed and a new thermostat was put in, again it over heated and this time blew the engine. *ak
07/10/200108/01/1996
 Coolant formed a clay in the radiator at 86,000 miles. according to chevrolet, the engine coolant does not require maintenance for 5 years or 100,000 miles if a silicate free orange coolant (meeting gm spec 6277m) is used. there is a notice on the engine that states this information. we have monitored the coolant level and have followed these instructions. in july, the engine overheated. we had the radiator flushed and were informed that the coolant had solidified in the radiator. the service technician informed us that the coolant had formed a clay in the radiator. shortly afterwards, the engine developed a sloshing/water noise. we had the radiator flushed again and were informed that we needed to have the radiator removed and manually cleaned. we took the vehicle to a trent, a gmc dealer (as the local chevrolet dealer would not repair the vehicle for 3 weeks) and were informed that the coolant system had been stopped up and clogged the heater core. according trent, the intake was clogged and leaking, which caused the entire radiator system to stop up. the radiator was plugged so badly that the flues could not be unstopped when the radiator was manually cleaned. the intake manifold gasket set, radiator, upper and lower radiator hoses, and thermostat had to be replaced. the heater core was flushed to remove the sludge. according to trent, all problems were caused by faulty coolant. the vehicle was within 5 years and 100,000 miles, and we followed chevrolets service instructions for maintenance.*ak
01/12/200102/01/1999
 My blazer was over heating the coolent was flushed, it over heated again the thermostat was replaced, it over heated again the cooling system was flushed and a new thermostat was put in, again it over heated and this time blew the engine. *ak
07/10/200108/01/1996
 Coolant formed a clay in the radiator at 86,000 miles. according to chevrolet, the engine coolant does not require maintenance for 5 years or 100,000 miles if a silicate free orange coolant (meeting gm spec 6277m) is used. there is a notice on the engine that states this information. we have monitored the coolant level and have followed these instructions. in july, the engine overheated. we had the radiator flushed and were informed that the coolant had solidified in the radiator. the service technician informed us that the coolant had formed a clay in the radiator. shortly afterwards, the engine developed a sloshing/water noise. we had the radiator flushed again and were informed that we needed to have the radiator removed and manually cleaned. we took the vehicle to a trent, a gmc dealer (as the local chevrolet dealer would not repair the vehicle for 3 weeks) and were informed that the coolant system had been stopped up and clogged the heater core. according trent, the intake was clogged and leaking, which caused the entire radiator system to stop up. the radiator was plugged so badly that the flues could not be unstopped when the radiator was manually cleaned. the intake manifold gasket set, radiator, upper and lower radiator hoses, and thermostat had to be replaced. the heater core was flushed to remove the sludge. according to trent, all problems were caused by faulty coolant. the vehicle was within 5 years and 100,000 miles, and we followed chevrolets service instructions for maintenance.*ak
07/01/2001102/01/1997
 Dexcool in radiator cooling system had turned to a rusty sludge. had coolant flush done at 60,000 miles by the dealer. had dealer reinspect vehicle as i was going on a long road. i have copy of 27 point inspection stating my vehicle was in good condition with no noted problems. 261 miles later i was stranded in the desert with a plugged and blown radiator and heater core. the radiator cap was completely rusted. the fluid in the overflow tank was a rusty brown thick mess. the hoses going into the radiator had to be replaced due to a coating of rust on the inside. i had a new radiator put on, new hoses, and the radiator and engine block reflushed, new coolant added and overflow tank washed. 1,500 miles later (to the current mileage i am at now) the dexcool fluid is already discoloring and particles of rust are starting to reappear. which tells me the corrosion is deep inside the system. gm will not acknowledge a problem of rusting and corrosion, dealer will take no responsibility for their work or inspections. gm never warned the consumers that this had to be carefully watched or major engine damage would occur. gm has a training video that was sent to dealers that specifically deals with the dexcool corrosion problem. it is called gm training video understanding radiator cap and cooling system contamination. they are claiming the radiator caps may have a problem properly sealing the radiator thus causing high evaporation and thus contaminating the cooling system. if they are aware of this why was the consumer not informed? how can gm not take responsibility for the damage that is being done to a large amount on their vehicles. they also claim that the radiator design on certain types of their vehicles make them more prone to the corrosion contamination, such as the blazer, jimmy, st pickups, camaros. that is why not all gm products that were delivered originally with dexcool has had a problem.
07/06/2000
 Radiator has excessive rust. dealer is aware of problem, and advised consumer to change dex coolant on a regular basis. please provide furthur details.*ak
06/01/200110/01/1997
 I am writing to complain about the fact that my 1996 chevrolet blazer required major repairs to its radiator that has a sticker on it stating that there should be no maintenance for 100,000 miles. the dealer informed me that they recommend i replace the radiator, for additional money. this was noted on the receipt. i declined, due to the fact that the manufacturer notes that the radiator should be good for 100,00 miles. i then noticed a service bulletin number referenced on the receipt. i then researched this item to determine why this item was referenced. in my research i have found that chevrolet was aware of a problem with the coolant in the blazer radiator and issued a service bulletin to its dealers to inform them of what to do to correct the problem and also to recommend replacement. i am appalled that the manufacturer would be aware of such a major problem with the engine of one of its automobiles and not inform the consumer. and if they felt consumer information was not warranted, they could at least pay for repairs to those automobile that have problems with the radiator they discovered themselves, does not function correctly. i paid $ 661.00 approx. to repair my radiator and was pressured, and reminded on my receipt that i did not purchase a new one as recommended. i am infuriated that chevrolet did not repair my car free of charge. i am writing to complain and hopefully recoup some of the money i paid for the repairs. please let me know what the process is and if i have any recourse. i am writing to all of the consumer groups.*ak
03/01/1996
 Radiator/cooling system plugged up, causing engine light to come on (2 times). *ak
06/14/2001203/01/2000
 Radiator and engine completely flushed, cap and thermostat replaced due to mud in system.dealer told me mud was actually metal and sand left in engine block during the production/milling process. 1 month after flush the system is clogged again with this mud. dealer saying another flush is needed along with possible water pump and heater core replacement. dealer and other local car maintenance companies said they have seen this many times in these blazers. this is obviously a problem gm should be held accountable for.
05/01/2001
 Radiator was defective, and temperature gauge was on red. contacted dealer, and dealer was not willing to do anything.*ak
01/01/2001101/01/1999
 Geeral motors reccommended coolant for chevrolet blazer's clogged the radiator and thermostat resulting in the replacement of almost the entire cooling system. this occured well before the manufacturer's suggested simple coolant replacement.100,000 mile c
12/22/2000208/17/1996
 Anti-freeze coolant clogged engine. *ak the dex-coolant was replaced with regular anti freezer but the problem was not solved. *yh
11/28/2000309/13/1996
 While driving in the rain, consumer put on brakes and felt abs kicking in, but there was a delay in stopping, consumer has also been to the dealer regarding an excessive brake squeak, dealer had replaced brake pads twice and rotors once. right rear door won't always unlock from inside, dealer found no problem, pins at driver's door hinges rusted. the seal around right rear window holds water after rain. rear passenger seat will not fold down, dealer found cable binding up. water collects in rear light lense when washing vehicle, dealer replaced taillight lense, center high mount lense collects moisture, dealer replaced 3rd light brake assembly. consumer flushed radiator and 12 months later it needed flushed again, dealer performed, consumer paid to have the first flush down and is requesting reimbursement. *slc
12/15/199905/01/1996
 Heater failure; heater/defroster blows cold air; thermostat, sensor, and connector replaced with no improvement; hoses and coolant levels tested ok. *ak
11/01/1999503/13/1996
 Michelin tires did not last 20,000 miles, they lasted 17,000 miles, radiator cooling system clogged up at about 25,000 miles, door light will come on and off at times, possible electrical problem, dealer found not problem
06/20/2000208/01/1998
 My son has a 1996 gmc jimmy that has had the same problems. he has had to have his radiator removed and cleaned out twice and have the water pump replaced once. general motors knows of this problem but has not issued a recall. there is a label in front of the radiator that states that the coolant does not require service for 100,000 miles. this coolant causes some of the engine components to rust ( ex. heater nipple) someone at the dealership admitted that they see many vehicles every day with this problem. *ak
06/02/2000111/01/1995
 Radiator clogged at 75000 miles(car is 4 years old). radiator fluid is not scheduled to be replaced until 100000 based on owners manual.
03/09/200007/10/1996
 Radiator plugged with rust and grit, causing car to overheat. consumer told by dealer that the rust and grit could be due to a manufacturing error in which foundry core sand was left in the block after castings. correction of problem not under warranty, but consumer wants chevrolet to cover the cost of repairs. *ak *ml
01/19/2000106/01/1999
 I know of four other people with the same complaint of their vehicle radiator core being plugged. they were all serviced at shottenkirk's and upset about having to pay a cost of $294.09. i had previously had the same vehicle to shottenkirk's because of no heat and they put in a new thermostat. that did not solve the problem, and i had to pay $64.00 for the thermostat and labor. besides taking two days off ,driving sixty miles one way to shottenkirk's and having to pay for the services because the extended warranty would not cover the cost, i am a little upset with chevrolet. i went thru the proper channels to give my complaints and this is where joel, from the executive office at general motors instucted me to complain. it is not fair to the consumer to have to pay for a faulty core.
09/10/199903/01/1997
 The inside of the radiator erupted and caused the transmission fluid and antifreeze to mix. this caused water to flow in the transmission. the radiator, resevoir and the transmission had to be replaced. the alternator had to be replaced due to this failure. i was traveling on i-95 when this incident happened with no warning. there must be a defect in the raditor to erupt inside, please investigate, if requested, i can provide repair bills.
07/09/1999112/01/1995
 Entire radiator system replaced, 4 mos later entire engine replaced, 7 days later, distributor replaced. no diagnosis for any of these problems. closed dexcool radiator system was filled with black syrup and had no fluid but showed no signs of leaking!? engine lost power and sputtered prior to engine replacement(which may have been unneccessary!) and showed identical symptoms 7 days later, for which a distributor replacement fixed symtoms. now my service engine soon light is on for my engine with 600 miles on it! i am getting a 3rd dealer's opinion today. please help if you can.
02/28/1998
 Radiator dip stick and tubing is rusting out, and causing rust to go into the radiator. dealer contacted, there is no recall and cannot duplicate the problem. *ak
ENGINE AND ENGINE COOLING - ENGINE
03/06/2004602/16/1996
 On several occasions, the blazer suffers from sudden acceleration as i depressed the brake pedal. it has happened at least 6 times in the last year. i have also noticed the sudden acceleration when i come to a full stop at a stoplight.
06/27/20031
 Vehicle engine caught on fire while driving.*mr the consumer stopped at middle ridge service plaza and noticed smoke coming from the engine. the fire was extinguished with a fire extinguisher. damage to the vehicle consisted of hoses, wires and insulation under hood. consumer had no recent engine problems. *ph *jb
09/24/200348000
 Replaced head gaskets at 48k and again at 80k. either dexcool eats the gaskets, or the gaskets go bad and let air into the cooling system which causes the dexcool to go bad. i read a lot of complaints about dexcool, head gaskets, and 1996 blazers. there must be a connection.
11/01/20021
 Consumer stated vehicle over heated, due to a blown head gasket.*jb
02/15/2002
 Enough oil is not being supplied to engine. dealer has been notified, please provide further information. *mr
09/01/2001109/01/1996
 There is a constant oil leak coming from under the hood, mechanic states oil gasket malfunctioned. *ak *jb
01/01/2002
 Dip stick is extremely rusty. consumer feels rust that build up could be a result of dirt falling into the oil pan. dealer has been contacted. please give any further details. *ak
09/21/200101/01/1996
 On my way home from work on sept. 21, 2001, i had to sit on i-435-e- freeway for an hour because of a car accident. i was moving no more than 5 to 10 miles an hour. when i got to i-71-n and i took i-71 to the linwood exit going 55 to 60 miles an hour and then 45 to 50 miles an hour and then 55 to 60 and then 45 to 50. i exited linwood to the east, over to indiana (linwood is the 32nd hundrend blook). i went south on indiana to 3318 indiana. i parked my car and went in the house. i was in the house about 2 to 3 minutes before my neighbors came to my door and said my car was on fire. they were using their water holes to put out the fire. my better-half (trinidad medellin) came out side and open the hood of the blazer. by the time the fire department came, the fire was out. superior chevrolet had informed trinidad medellin that severe oil leak was present from oil filter adapter housing and both oil cooler lines and this leak constitutes a safety and reliability issue. trinidad did not see any leaks. if this data was known to the nhtsa under recalls, why weren't the customers informed, per odi id: 978897?*ak
06/30/20010
 Medford engine gasket blewout, and coolant ran from undernea vehicle.also, there was a noise coming from front of the vehicle due to bearings being defective. dealership was aware of problems. *ak
02/28/2001310/01/1996
 No major safety problems. however, signficant mechanical problems with very moderate mileage. mechanical problems include steering linkage, water pump, starter, head gasket.
12/20/19990
 Consumer tried to stop at an intersection and idler pulley/serpentine belts were replaced. then, steering locked up, and brakes failed, consumer stated that recall 98v193000 concerning abs brakes was never done.*ak
01/01/2000
 Windshield wipers works intermittently, they turn off and on . dealership is aware of the problem. also, pulley belt had to be replaced.*ak
03/05/200007/01/1999
 Sewell cadillac ,chevrolet dealer,@ 701 baronne at girod, new orleans, louisiana. quoted me $2900.00 to fix, said a valve failed and have to replace whole system. the replacement looks nothing like what i had. am i the only one this has happened to? also i was in new orleans at the time of the failure, i was in the middle of mardi gras parade traffic, for 2 1/2hrs. of stop and go cars,& people walking in front of my blazer. i was extremely lucky that no one was hurt because of this failure, with the exception of my nerves.i don't feel that the system should have failed, on such a young vehicle. god forbid it would have gone while on the highway. thankyou for hearing me out. also, i presently have a file # with chevy about this situation, the number is 000107487.quinta daniels was the representative i spoke with, on monday, march 6,2000. *ak
07/02/19991
 Engine developed knocking sound because of head gasket problem. yh
12/18/1999101/01/1996
 Engine failure at 61000 mi. 2 qts of coolant/antifreeze found in engine. was told cause was either a head gasket or intake gasket. needed new engine. gm refused goodwill warranty extension per gm bulletin 57-05-01
12/23/1995
 Abnormal oil consumption--recall, but dealer didn't have the parts. air conditioner--compressor suction hose assembly leaking. emergency brake cable rerouted--improperly installed, caused squeaking noise. dash panel tightened--leaking cold air into driver's lap. rear bumper strip had to be reinstalled. air bag didn't deploy in accident.
05/01/1999106/01/1996
 I have been told by the dealership that i purchased my vehicle new from that my entire engine needs to be replaced because of head gasket problems, overheating and rust in my radiator. the suv is only 3 years old and i have done the best to maintain this vehicle properly. gm/chevrolet motors said that the warranty on the vehicle was only for 3 yrs/36,000miles. i cannot see paying for a new engine for a 3 year old vehicle when it clearly seems to be defective or a bad design from the beginning if the engine is shot. it has 76,000 miles on it and again only 3 years old. i would like this matter to be investigated and hope to have gm/chevrolet cover this problem that is not my fault whatsoever. is this issue a reality of chevy suvs last only 3 years then the engine goes bad?
04/01/1996110/31/1995
 Valve seal failed.
208/01/1996
 Piston rings failed.
03/01/19961
 Oil pan leaks.
1
 Loose wiring of crank sensor caused vehicle to stall.
11/18/1996
 Brakes/rotors; when driving the vehicle and applying the brakes they go completely to the floor and the vehicle does not stop. january 1997, took to champion chevrolet and they said there was no problem. vehicle is in shop now because the motor blew the rods up for the second time. *ak
11/15/1995
 Design: mis-position of engine valve seals causes excessive oil consumption; also, leakage at valve seals could cause fire. tt
10/08/1995
 Oil sensor is defective, oil indicator light comes on intermittently. tt
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
10/30/2002112/01/2098
 All items looked at by dealer, dealer also informed me that these are common problems chevrolet is aware of. odd that they don't do anything about them. dt
02/15/2002103/01/1996
 Many problems are continuing. currently, the front suspension needs repaired, the brakes were replaced at 18000 and are now gone again, the rear seals are leaking damaging the rear brakes, the drive lights still flash intermittently, a smell of gasoline is in the vehicle after refueling, the engine pings no matter what fuel is used. nothing the dealer has done has solved the multitude of problems. seat belt problems on passenger side, interior trim fell off, on and on.
07/02/19991
 Some main bearings had spun requiring engine replacement. yh
12/18/1999101/01/1996
 Engine failure at 61000 mi. 2 qts of coolant/antifreeze found in engine. was told cause was either a head gasket or intake gasket. needed new engine. gm refused goodwill warranty extension per gm bulletin 57-05-01
08/11/1999101/01/1996
 Vehicle leaking coolant because it was improperly sealed. nlm
10/23/199912/01/1995
 The vehicle was being driven and a hesitation or power surge was felt and the vehicle then caght on fire. the fire was thought to have been put out after the occupants got out of the vehicle and then the fire started again. the vehicle was completely engulfed in flames and burnt up. at this time it is unknown of the reason for the fire.
01/01/1998606/01/1996
 Belt failed at 18000 and has been replaced 6 times and failed again
 Knocks loudly when accelerating. burns one quart of oil every 1000 miles.
07/15/199909/01/1998
 The housing around the condenser is broken and crumbles at the slightest touch. i am worried engine fumes are getting into my car via the hole. the front passenger automatic lock unlocks about 30% or less when the door is shut. it seems to try but not beable to unlock the door, but when door is open it works fine.
07/26/1999112/01/1995
 Car sputtered and lost power on two occasions. first time engine was replaced. second time distibutor was replaced. third diagnosis for the check engine soon light being on was that the cateletic converter is no good. dealer is replacing it. this dealer also indicates that both lower ball joints are worn out. must be replaced. this seems outrageous for a 3.5 yr old truck which has not been off-road. summary: new radiator system, new engine, new distributor, new cateletic convertor, and soon to have new ball joints -- all prior to 45000 miles. i fear this vehicle may be dangerous.
07/09/1999112/01/1995
 Entire radiator system replaced, 4 mos later entire engine replaced, 7 days later, distributor replaced. no diagnosis for any of these problems. closed dexcool radiator system was filled with black syrup and had no fluid but showed no signs of leaking!? engine lost power and sputtered prior to engine replacement(which may have been unneccessary!) and showed identical symptoms 7 days later, for which a distributor replacement fixed symtoms. now my service engine soon light is on for my engine with 600 miles on it! i am getting a 3rd dealer's opinion today. please help if you can.
05/23/1999
 Intermittently vehicle stalls and dies, giving the driver no warning. dealer has replaced the alternator/battery and fuel pump and the problem still exists.
1
 Oil seal failed, resulting in leakage.
01/09/19985
 Engine stalled five times w/out warning, on one occasion almost resulting in vehicle collision.
04/14/1997309/01/1996
 On april 14, 1997, (18,9113 miles) vehicle had front calipers rebuilt and new pads and rotors installed. on september 25, 1997,(27,585 miles) belt tensioner and belt were replaced. on october 23, 1997, (29,2116 miles) front brake pads were replaced. on november 11, 1997, (30,216 miles) service engine light on. code po442 found. vacuum line off pulse valve they said. on january 13, 1998, (34,102 miles) service engine light on. code p1870 for transmission slippage. cleared code, that was all. on february 16, 1998, (35,514 miles) service engine light on, and front brakes squeeling , found code p1870. found water in connector on transmission. replaced front brake pads and turned rotors. dealer stated that no further brake work would be done on warranty. february 24, 1998 (36,059 miles) service engine light, front brake squeeling. transmission level low they said, and advised braked performing as designed at this time. march 5, 1998, (36,562 miles) service engine light on. found code p1870. replaced transmission tcc pulse solenoid. march 18, 1998, service engine light on again, dealer refused to work on it. vehicle was driven home and has remained unmoved since.
09/23/19982
 Anti-freeze used in engine turns to a solid jell. it will not circulate through the lines. it's a 100,000 miles anti-freeze & it burned the engine. vehicle would still run, but the fluid is rusty. also, transmission is burned . taking vehicle to dealer to have it checked. *ak
108/01/1996
 Engine failed.
4
 Vehicle continually stalling.
11/07/19961
 Vehicle experiences engine shut down frequently, one incident on a train trestle.
 Intermittently, while driving the vehicle at any speed, the blazer dies. the blazer has been to dealership 5 or 6 times for this problem. the egr valve was cleaned once and changed. the computer replaced twice, and a new coil wire replaced. consumer still experiencing problem with blazer. *ak
04/01/1998605/25/1996
 Serpentine belt replaced twice. also, front brake rotors/differential/alternator and front axle failed. in addition, engine sluggish/hesitates.
810/01/1996
 Vehicle experienced starting failures numerous times.
2
 Vehicle shuts down while driving continually, the dealership has been unable to solve the problem.
01/29/1997
 Engine: check engine light comes on, vehicle stalls and cuts off in the middle of the street. *ak
10/10/1997505/16/1996
 When truck has started up and driver pulls off the truck will cut off without any notice. took truck to dealer and they could not find anything wrong with the truck. so the dealer sent the truck home, and the truck did the same thing again. this has happened several times, the truck cutting off while in motion. *ak
03/01/19961
 Oil seal leaks.
07/24/1997
 The vehicle was traveling at highway speeds and then the vehicle shut off without warning. *ak
05/23/1997110/26/1996
 Engine failed prior to recall repair.
12/20/1996104/01/1996
 Engine smoke.
12/01/1996407/01/1997
 Engine continues to run or accelerates when foot is released from accelerator pedal.
05/01/19961
 Oil leak after recall.
 On four occasions truck will start humming noise followed by instrument panel falling to zero, electrical lights illuminatng w/door chime ringing. please describe details.*ak
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - BELTS AND ASSOCIATED PULLEYS
08/23/2001104/01/2000
 The belt tensioner on my '96 blazer started to fall apart. i caught it because the belt started squeeling loudly and i was able to reach the dealer before it completely fell off. if it had fallen off, the alternator, water pump, fan and power brakes would have failed immediately. i am writing because i personally know 3 other people who have had this same problem. my friend had this problem on a '96 chevrolet silverado. it was repaired under warranty at the time. my father has a '98 blazer and he just had the same problem. it is being fixed under warranty. my father's co-worker has a '98 blazer. he had to have the belt tensioner and serpentine belt replaced 3 times already. the first 2 times it was replaced under warranty. the third time the warranty was up but the dealer fixed it because of the on-going problem. it seems that the belt tensioner design could be defective. as i said at the beginning, this should be considered a safety problem. when the tensioner brakes, you instantly lose power to all engine accesories being turned by the serpintine belt.*ak
12/20/19990
 Consumer tried to stop at an intersection and idler pulley/serpentine belts were replaced. then, steering locked up, and brakes failed, consumer stated that recall 98v193000 concerning abs brakes was never done.*ak
07/15/1998106/01/1997
 Serpentine belt and tensioner replaced. mjs
11/10/1998111/09/1996
 Engine belts failed causing noise. mjs
03/01/1999104/23/1996
 Serpentine belt tensioner came apart.
 The altenator went out and the lights on the car had gotten dim. also, dealer says the belt tensioner needs to be replaced. *ak
04/01/1998605/25/1996
 Serpentine belt replaced twice. also, front brake rotors/differential/alternator and front axle failed. in addition, engine sluggish/hesitates.
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL
1
 Consumer states the exhaust gas recirculation valve was damaged and the oxygen sensor are not working as they should.*yh
03/17/19995003/01/1999
 Both o2 sensors have been replaced (at seperate time in past 4 months). upper/lower ball joints are in need of replacement. according to dealership (desantis chevrolet) should have never passed inspection in april. have had problem with abs since purchase of the vehicle. first recall did nothing to fix problem. abs can't tell difference from wet & dry pavement. abs will kick in when slowing down on gravel at 20mph, but not at faster speeds on wet pavement.
02/01/20001
 Three of the fuel injectors started leaking at the same time causing the oxygen sensors to burn out, which should have been detected when the vehicle was in for drivability problems on previous occasions with no correction. all the front ball joints had to be replaced before 35000 miles due to failure, which resulted in severe noises and vibration in cab of vehicle.
06/19/1996112/30/1995
 Oxygen sensor failed.
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CATALYTIC CONVERTOR
07/26/1999112/01/1995
 Car sputtered and lost power on two occasions. first time engine was replaced. second time distibutor was replaced. third diagnosis for the check engine soon light being on was that the cateletic converter is no good. dealer is replacing it. this dealer also indicates that both lower ball joints are worn out. must be replaced. this seems outrageous for a 3.5 yr old truck which has not been off-road. summary: new radiator system, new engine, new distributor, new cateletic convertor, and soon to have new ball joints -- all prior to 45000 miles. i fear this vehicle may be dangerous.
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - GAS RECIRCULATION VALVE (EGR VALVE)
04/23/200370000110/03/1996
 All oxygen sensor failed transmission slipping. 13 sensors fail. *jb
2
 Consumer states several egr valves have been replaced. nlm
1
 Consumer states the exhaust gas recirculation valve was damaged and the oxygen sensor are not working as they should.*yh
 Intermittently, while driving the vehicle at any speed, the blazer dies. the blazer has been to dealership 5 or 6 times for this problem. the egr valve was cleaned once and changed. the computer replaced twice, and a new coil wire replaced. consumer still experiencing problem with blazer. *ak
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE
02/26/2004105/30/2003
 Intake manifold gasket leak...paid over $700 for replacement. three days later, the water pump broke. the dealership said it was a common occurence when the intake manifold gasket is replaced, and now wants to charge me over $350 to fix the water pump.*ak
02/16/200452000110/01/1996
 Coolent leak at intake manifold . *ak

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