Bulletins

BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
FUEL SYSTEM, DIESEL
153115601/01/200410008783Parts showing no stock or not available. *mj08/23/2004
0149501/01/200410005511Duramax diesel fuel in oil diagnostics. service vme. lb7 6.6l engine. sit bulletin 1401353. various models including 2003 and 2004 gmc c4500 and 5500 trucks. *tt03/01/2004
03060401001/01/2003100009416.6l lb7 duramax diesel fuel pressure regulator replacement. 2500/3500 and c4500/c5500 series models. *tt04/04/2003
FUEL SYSTEM, DIESEL - STORAGE - TANK ASSEMBLY
0156801/01/200410005409Hard to fill fuel tank at high volume diesel pumps. sit bulletin 1411583. *tt02/25/2004
FUEL SYSTEM, GASOLINE
0202901/01/200410006934Inaccurate fuel gauge readings and/or engine stall. *mr05/19/2004
03060404910/01/200310004311Revised fuel system diagnosis pickup. *tt12/02/2003
03060206/03/2002637176Some vehicles may display a diagnostic trouble code of p0446 (evap canister vent). *tt11/20/2002
05100205/10/2002636643Subject in regards to fuel system servicing on the lb7 fuel injection. *tt11/12/2002
02060402906/01/2002634782Service manual update regarding revised fuel system diagnosis-high pressure side. *tt10/09/2002
22100110/22/2001628016Some 2500 hd 3500 series trucks with the 6600 duramax ld7 engine may exhibit a fuel pressure sensor leak at the function block. *tt03/01/2002
29060106/29/2001623574Information regarding duramax 6600 diesel fuel system.*jb10/29/2001
FUEL SYSTEM, GASOLINE - DELIVERY
01761B01/01/200410007211Fuel gauge diverts to empty after idling on incline or refueling. *nm06/03/2004
FUEL SYSTEM, GASOLINE - DELIVERY - FUEL PUMP
01010101/01/2001623497Some vehicles may experience repeat fuel pump failures. *slc10/29/2001
FUEL SYSTEM, GASOLINE - FUEL INJECTION SYSTEM
342210017303Duramax diesel pilot to main injection fuel knock noise. *tt11/02/2005
01060403506/01/2001623240Information regarding non serviceable connectors on the fuel injector control module harness for the duramax 6600 diesel engine. *yh10/26/2001
FUEL SYSTEM, GASOLINE - FUEL INJECTION SYSTEM - FUEL RAIL
0131211/17/200310004093Fuel leak concern from the fuel rail pressure sensor. *tt11/18/2003
FUEL SYSTEM, GASOLINE - FUEL INJECTION SYSTEM - INJECTORS
152238705/26/200410008451Special policy adjustment - injectors - replace. *mj08/02/2004
0403912/01/2009SB-04039C10007861Special policy adjustment - injectors - replace. *mj updated 2/21/08. *nj csc letter was received. updated 3/5/10. *pe07/13/2004
FUEL SYSTEM, OTHER
361610018560Service vme - 2006 duramax diesel engine fuel system components are not interchangeable with earlier year model vehicles. *tt01/06/2006
332510017191Supplement to bulletin 99-06-04-047a for fuel system cleaning. *tt10/27/2005
04084901908/01/2004040849019A10011222Cranks but no start, stall, inaccurate/incorrect fuel gauge reading, no fuel, vehicle is out of fuel and fuel gauge reads above empty. *tt this bulletin replaces previous bulletin number 04-08-49-019. *tt01/11/2005
31493149A10010880Fuel pressure regulator connector or terminal repairs. *tt12/15/2004
308701/01/200410009516Updated part number for bulletin 04-08-49-019 stall, inaccurate/incorrect fuel gauge reading. *tt10/04/2004
74307105/21/200410008458Fuel system diagnosis - high pressure side. *tt08/02/2004
0149001/01/2004100055056.6l lb7 diesel engine recapping tool for fuel system high-pressure side diagnosis. service vme. sit bulletin 1401058. *tt03/01/2004
03060404804/01/2004030604048A10004309Revised fuel system diagnosis cab chassis. *tt12/01/2003
03060404710/01/200310004308Revised fuel system diagnosis-high pressure side. *tt12/01/2003
FUEL SYSTEM, OTHER - STORAGE - FUEL GAUGE SYSTEM
PIT-3046E08/01/200810026704Gmc: fuel gauge fluctuation in park or neutral, causing the low fuel light to illuminate. *pe12/04/2008
415010/11/200610020582Dual tanks fuel gauge defaults to empty - new calibrations. stall start tank transfer. vehicles with 6.6l rpo lb7 or lly engines. *kb11/20/2006
363007/01/2009PIT-3630F10019889Inaccurate fuel gauge readings/rear float arm stuck. *tt updated 03-01-07. *kb updated 3/15/10. *pe05/08/2006
3630A3630B10017273Fuel gauge is inaccurate or reads empty on diesel equipped chassis cab with dual tanks. *tt10/31/2005
3046A3046B10009382Fuel gauge fluctuation in park or neutral. *tt09/27/2004
0208901/01/200410007789Inaccurate fuel gauge readings and/or engine stall. service vme. *tt07/12/2004
0176101/01/200410006359Fuel gauge diverts to empty after idling on incline. sit bulletin 1459166. *tt04/29/2004

Consumer Complaints

Fail datemilesoccurencesPurchase date
FUEL SYSTEM, DIESEL
550205/23/2001
 The vehicle had a leak in the fuel return manifold on the right side. *mr a leak in the fuel return manifold caused diesel fuel to enter the engine crank case. new seal retainers were installed, but the problem recurred (duromax engine). the consumer believes this is a safety problem. *scc *jb
FUEL SYSTEM, GASOLINE
07/07/200544000
 Purchased brandnew and babied sinced. fuel pump failed 4 years after, no complaints, it happens, dealer replaced with same lasted 9 months, dealer did not warrant pump, dealer replaced with acdelco ( i made sure) lasted 1.5 years and left me stranded. another pump lasted 2 years, this time the dealer offered aftermarket, i stuck with ac delco and failed last year 2010. another ac delco in the tank and today 2011 dec 25 it failed. my trcuk is like brand new, and only use hi test gas, the only problem i have is the fuel pumps, a major issue for me.
10/15/201152500
 Brake lines and fuel line on driver side rail rusted out causing my brakes to fail while driving on my street almost hitting kid on bike
05/19/2011120965
 I purchased this truck used and each time the truck is below 1/4 of a tank or filled up the fuel guage bounces between full and empty causing the low fuel light to come on. it will read right once it's at 3/4 and down to 1/4 of a tank for that 1/2 of a tank of fuel otherwise it just bounces constiantly between full and empty even if i just filled it. i spoke with the prior owner and he said the problem started around 3 or so years ago at 75,000 to 80,000 miles on the truck.
01/01/200880000
 The abs and parking break lights come on at random. there is noise from the front tires when you make a turn, the breaks i would assume. the break pad have been changed. the gas light flips back and forth from full to empty, have to use the milage to know when to get gas. and the gas petal sticks, not good in traffic.
08/09/200660000999903/08/2002
 Gas gage reads empty when idle for prolong period of time. looking at the information on the nhtsa web site i find that many people are experiencing this problem. checked into the cost of repairs it is over $500.00 for the part and another $500.00 for the labor to correct this problem. this should be covered by gm since they know the problem exists. instead they are profiting off the consumer with high replacement and labor charges. would like to see an in depth investigation of this complaint. *nm
03/06/200682730103/15/2005
 Dt*: the contact stated the vehicle had become hard to start. after speaking with a mechanic, the contact inspected the fuel pump, and found a burnt wire in the fuel tank. the vehicle has not been seen by the dealership.
05/02/2005201/01/2005
 Dt*: the contact states there is a nhtsa recall campaign 05379000 concerning the anti-lock brakes. this vehicle has the same problems as indicated in the recall, but it is not included in the recall due to the vin. in addition the fuel gauge intermittently read the fuel tank as empty when the tank was full and the warning light indicates a low fuel message. no repairs have been made. *ak updated 1/25/2006 - *nm
04/08/2005345002501/18/2005
 Same as case # 10127210. gas gauge will drop to empty during stopped idle at lights or idling in park. causes low fuel light to come on. once vehicle is shaken during forward motion gauge will bounce back to correct position. (web site refering is mycarstats.com) have found another mass resident with same problem also. *nm
07/13/20055000010006/01/2000
 Fuel gauge stops working or gives inaccurate readings. truck runs out of gas because of these readings. leaving the truck stranded in the road. *nm
05/04/200551000103/10/2004
 Low fuel light comes on when driving even when tank is full. *nm
03/14/200450000102/05/2001
 While driving accelerator pedal is hard to apply when passing or pulling from a stop, the pedal will stick. consumer has to use his foot to release the accelerator pedal. the gas needle fluctuates from empty to full continually.*ak consumer very concerned that the fuel gauge problem could be a fire hazard. *bf
09/23/200457656305/24/2003
 The fuel sensor stops working. it looks as if we still have plenty of fuel when in fact the vehicle is out of gas. while we have caught it in time the fuel sensor has broken and been replaced twice in the last seven months and is broken again. serious consequences could result if we were to run out of gas in heavy traffic on a freeway.*ak
08/24/200361400102/10/2001
 While driving at 30 mph, the engine failed without warning. *ak the gas gauge did not work at times. the dealer stated a defective fuel module caused the engine to fail. *jb
07/15/2001
 Fuel is leaking from rear . dealership has been in possession of vehicle for two weeks, and made no determination as to the reason for the leak. please provide any additional information/attachments. *ak
FUEL SYSTEM, GASOLINE - CARBURETOR SYSTEM
02/01/2003008/01/2000
 Sticking throttle
FUEL SYSTEM, GASOLINE - DELIVERY
07/09/2006800001012/27/2000
 Tl* - the contact owns a 2001 silverado pickup. the contact stated that every 2000 to 3000 miles while driving at 50 mph the engine would lose power momentarily, and then start back up. the contact would sometimes have to pull over on the road and restart the vehicle. the failure became more and more frequent. he took the vehicle to three or four different dealers, and they could not duplicate or diagnose the failure. the contact determined that the failure was due to the ignition and had it repaired, after being told he would be reimbursed the contact has not received the reimbursement. also the brake light and abs lights turn on intermittently when driving without applying the brakes. this failure had occurred ten times.*ak the transmission, fuel gauge sending unit, the right power window all had to be replaced. the engine light illuminated. updated 03/07/07. *jb
11/25/200449500111/17/2004
 I have just recently purchased a 2001 silverado and my gas hand will go to empty and my low fuel light will come on but i will have a full tank of gas...if you shake the truck or stomp om the gas pedal it will go back to full and light will go off...a friend of mine has a 2002 silverado and my aunt has a blazer and they all do the same thing. *jb
01/10/2002107/01/2001
 No summary listed for above vehicle. *ak
FUEL SYSTEM, GASOLINE - DELIVERY - FUEL PUMP
02/18/20024000102/19/2001
 Noisey electric fuel pump. *ak
FUEL SYSTEM, GASOLINE - FUEL INJECTION SYSTEM
11/15/2001
 Fuel sealing o ring was leaking fuel onto engine while driving. feel free to provide any further information.*ak
08/06/2002
 Sealing o ring is leaking fuel onto engine while driving. feel free to provide any further information.*ak
03/01/2001
 Surging,ses light on,code 89,bad injector pump,3 warranty trips to shop,chevy won't ship part,been 6 days still waiting,on vacation and its holding up trip,we bought this truck to tow and can't use it, tennessee put on fuel pressure regulator didn't help,then local shop flashed pcm with 4 drivability updates helped temporarily,third visit told needed injector pump,but why not a recall, told everyone in country waiting on same part,once was told it would have to come from isuzu in japan, help,
FUEL SYSTEM, GASOLINE - FUEL INJECTION SYSTEM - FUEL RAIL
05/05/2001
 While driving fuel injectorsline broke, causing diesel fuel to spray out enough to make driver behind consumer to turn on windshield wipers. dealer replaced injector line. *ak
FUEL SYSTEM, GASOLINE - FUEL INJECTION SYSTEM - INJECTORS
05/15/200592583209/09/2004
 Dt: the contact stated while driving at 70 mph the vehicle lost power. the vehicle was taken to a dealer and found to have a faulty fuel filter. after, the filter was changed the vehicle was fine. the second incident occurred while driving again the vehicle lost power. the dealer changed the fuel injectors. the vehicle was having no problems at this time. he talked to gm, and they offered no free repair or remedy.*ak
09/10/200483000105/14/2001
 Consumer received a notification enclosure number 04039. this was an improvement campaign for replacement of fuel injections. no parts were available. service manager reggie garret. *ak the fuel injector lines were rusted out spewing diesel everywhere. *sc
FUEL SYSTEM, GASOLINE - STORAGE - AUXILLARY TANK - SELECTOR DEVICES
06/17/2001212/01/2000
 This is not the first problem with this truck, the air conditioning blower motor went out. the third brake light was not tightened, and caused water to run down the back window.
FUEL SYSTEM, GASOLINE - STORAGE - TANK ASSEMBLY
01/26/2006109000108/01/2001
 Dt*: the contact stated after leaving the vehicle idling there was a loud boom sound heard. the temperature that day was 47 degrees below zero. the contact did not notice a problem at first because the vehicle was still working. after driving to a filling station, there was a fuel leakage discovered under the vehicle. there was a visible split in the fuel tank. the vehicle was towed to a dealership. the dealer was unable to determine the exact cause of the failure. the fuel tank, pump and heat shield were replaced. the contact noticed the original fuel tank had a crack three feet long in the top. there were wires around the fuel pump that had melted. although the fuel tank had never been replaced the fuel pump was replaced in october of 2005.
05/12/200570000209/17/2004
 Consumer states: something was wrong with the sensor in the gas tank. was told this by the dealer. the light came on indicating low fuel, and the gauge showed low fuel but actually there was a full tank of gas. *ak
02/01/2001
 Fuel sloshes and moves truck and makes thump noise as if no baffles. afraid it will break tank and spill fuel. was taken to dealer for repair but not put on shop repair report as i had requested.*ak
FUEL SYSTEM, OTHER
03/07/20031
 The fuel sensor did not work properly. the dealer kept the vehicle for over two months, and could not duplicate the problem. *jb
FUEL SYSTEM, OTHER - STORAGE - FUEL GAUGE SYSTEM
01/01/19011
 2001 silverado 4-wheel drive truck with gas gauge fluctuated when the gas tank fell below half full.**cc the consumer was told she would need to purchase an entire module which included a fuel pump because according to the two chevrolet dealerships the consumer went to, in order to get to the gas gauge, the fuel pump would have to be removed so the dealer would just replace everything as a module. *jb
12/01/2004110/16/2001
 Dt: contact stated the fuel gauge on her vehicle was not working properly. also, a light stayed on in the dashboard. the contact ran out of gas three times because of this problem.*ak
07/18/2005620002012/14/2004
 The abs light and brake light come on at any time during normal driving. however, it can never be checked because it does not save it in the computer memory when the vehicle is turned off. according to the owner's manual, this means i have no anti-lock brakes. the second problem is very serious also. the fuel gauge is erratic and inaccurate. i fear that i may run out of fuel at some point because of this. then i may be stuck on the side of the road. i currently have to track my mileage with the trip meter to make sure it doesn't happen. through research on the internet, i realize these are very common on this vehicle and gm refuses to recall it.
06/15/20046000005/22/2001
 I own a 2001 chevy silverado 4.8l pickup, purchased new in may 2001. for the past year, whenever i fill the fuel tank the gauge immediately goes to empty and the low fuel light comes on. the only way to accurately know how much gas is in the tank is to reset the trip odometer at each fill up. this apparently is a common problem on chevy pickups as i've talked to numerous chevy truck owners who have experienced the same problem. this occurs on several diufferent model year trucks. this is a known problem to chevy service departments, who suggest owners live with the problem until you need to replace the fuel pump, because the sending unit is inside the gas tank along with the pump. this repair is in the hundreds of dollars because it involves either dropping the gas tank or removing the bed to get to the affected parts. i believe that chevrolet should order a recall on this problem and repair it at no charge to owners. a non functioning gas gauge is an annoyance at the least, and dangerous at the worst if drivers were to run out of fuel on a crowded street or highway, or be stranded without fuel in extreme weather conditions. the fact that this is a known problem and has been for some time indicates gm is unwilling to correct the problem. i believe they should pay for the owners' repairs. thank you.
09/09/20046500005/21/2001
 While sitting still or driving fuel gauge moves back and forth between full and empty, reguardless of amount of fuel in tank.fuel light comes on when it moves to empty. problem started at about 65,000 miles.
05/12/200570000209/17/2004
 Consumer states: something was wrong with the sensor in the gas tank. was told this by the dealer. the light came on indicating low fuel, and the gauge showed low fuel but actually there was a full tank of gas. *ak
10/17/200436500107/11/2001
 Low fuel gauge comes on all the time, at first it would show full then empty, now its starting to stop at 3/4 of a tank when it is full of gas, i called the dealer here in cali and they have never heard of it, it should be a recall, sounds like alot of people are having this problem. *ak
07/20/2001350005007/16/2001
 Beginning spring 2004, the fuel gauge in our 2001 chevy pick-up began suddenly dropping to empty reading/low fuel indicator lights despite having a full tank of fuel. it is intermittent, dropping to empty then jumping back up to correct reading. i have taken it to a dealer for diagnosis and hopeful repair and was told the fuel tank sending unit is to blame. they also tested the wiring between the sending unit and fuel gauge and the gauge itself. it is scheduled for replacement (sending unit), but as i thought about this, it seemed an odd thing to have break in such a young vehicle (41k miles). i began researching recall information online, but have found it for only the jeep wrangler and nissan xterra. this is a pricey repair to be so common but not acknowledged as a manufacturer's defect. *la
06/26/200460000508/11/2001
 Gas gauge has started to act up - bounces around, dumps down to empty and low fuel sensor light in dash comes on even though tank may be full. began doing this after 60,000 miles. did have it do this once before but did not repeat until recently so i never had it checked out. i have been to my mechanic (who's gmc truck is also doing the same thing) and was told this is a common problem. dealer tells me $600.00 to repair but i feel this may be a recall issue after getting on line and reading numerous complaints from other 1999 - 2001 silverado owners. i also have (2) chevy vans that are company vehicles where i work that are experiencing the same problem - (1) began at 60,000 also.*ak
06/16/2004674501506/16/2004
 The fuel gauge in my 2001 chevy pickup does not work correctly. i can fill it up completely with gas and my gas gauge reads empty. so i never know whether or not i have any gas! this should not be an issue on a late model truck!. *jb
09/15/20011
 Consumer states that vehicle gas gauge stopped working. vehicle has been at the dealer several times. *mr

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