Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| POWER TRAIN | |||||
| 3156 | 3156A | 10010292 | 261 transfer case drivelines growl 1100-1200 rpm. *tt | 11/09/2004 | |
| 3054 | 01/01/2004 | 10009665 | Replacement flexplate may have larger bolt holes than the original flexplate. *tt | 10/14/2004 | |
| 3002 | 3002D | 10008802 | 4l60e/4l65e intermittent neutral condition while accelerating from a stop or while driving. *tt 1999-2006 gm cars, light duty trucks and utilities. *tt | 08/23/2004 | |
| 990730016A | 10/01/2002 | 990730016B | 10007838 | Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. *tt | 07/12/2004 |
| 02086 | 01/01/2004 | 10007782 | 4l60e, 4l65e intermittent neutral from a stop or steady speed. *tt | 07/12/2004 | |
| 01599 | 01/01/2004 | 10007237 | 4l60e, 4l65e forward and low reverse waved steel clutch plate appearance change. *tt | 06/04/2004 | |
| 01410 | 11/18/2003 | 10004214 | Poor performance from a stop in 2wd, auto or 4wd hi. 2003, 2003 cadillac ext also included. *tt | 11/21/2003 | |
| 030421004 | 05/01/2003 | 10002374 | Design change of rear output shaft and oil pump replacement parts. *tt | 08/26/2003 | |
| 020421005A | 02/01/2003 | 020421005 | 10001110 | Slips in 4-wheel drive, noise, vibration, leaks, hot odor. *tt | 04/15/2003 |
| 020421005 | 06/01/2002 | 634905 | Some vehicles will not move when 4-wheel drive is requested, noise, shudder, poor performance, transmission / transfer case slips, transmission will not upshift, slips in 4-wheel drive. *tt | 10/10/2002 | |
| 020090002 | 04/01/2002 | 634226 | Subject regarding lubrication of propeller shaft double cardan cv type u-joint centering ball and seat.*nlm | 09/28/2002 | |
| 220102 | 01/22/2002 | 629716 | Some four-wheel drive extended cab short bed models may exhibit a bump/clunk on stop or acceleration. *tt | 04/05/2002 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||||
| 030730056 | 11/01/2003 | 10005566 | 4l60-e automatic transmission oil pump first and second design identification. *tt | 03/04/2004 | |
| 3259C | 3259E | 10005514 | 4l80e, 4l85e whine noise in first and second gear. *tt | 03/01/2004 | |
| 010730038B | 10/01/2005 | 010730038C | 10005162 | The service engine soon lamp is illuminated, no 3rd and 4th gear, the transmission does not shift correctly, the transmission feels like it shifts to neutral or a loss of drive occurs. *tt | 02/09/2004 |
| 020417001A | 07/01/2002 | 020417001 | 634895 | Concerns with launch shudder / vibration on acceleration. *tt | 10/10/2002 |
| 020417001 | 02/01/2002 | 629369 | Some owners of c1500 series extended cab pickup models may comment on a vibration/launch shudder when accelerating from a stop. *tt | 04/02/2002 | |
| 010730038 | 12/01/2001 | 010730038D | 628934 | Some customers may comment that the service engine soon lamp is illuminated, no 3rd and 4th gear, the transmission does not shift correctly, the transmission feels like it shifts to neutral or a loss of drive occurs. *tt | 03/25/2002 |
| 99027 | 08/01/1999 | 608377 | General motors has decided that some vehicles equipped with 4.8l or 5.3l engines and 4l60-e automatic transmissions, and vehicles equipped with 3.73 rear axles and ordered with the heavy-duty trailering package may not have included the mer | 11/24/1999 | |
| 99027A | 09/01/1999 | 607943 | Subject regarding auxiliary transmission oil cooler omitted. *tt | 10/19/1999 | |
| 990730010A | 06/01/1999 | 990730010 | 607320 | A driveline vibration / growl noise. *tt | 09/20/1999 |
| 990730010 | 06/01/1999 | 606084 | Driveline vibration / growl noise. *tt | 08/06/1999 | |
| 990730009 | 06/01/1999 | 606085 | Subject pertaining to harsh 1 - 2 and 3 - 2 shifts. *tt | 08/06/1999 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - COOLING UNIT AND LINES | |||||
| 99027B | 12/01/1999 | 99027A | 6089929 | A condition with the auxiliary transmission oil cooler omitted from certain vehicles equipped with heavy duty trailering package (z82). *tt | 02/29/2000 |
| 99027B | 12/01/1999 | 99027A | 6089003 | General motors has decided that some vehicles may have the auxiliary transmission oil cooler omitted. *tt | 01/12/2000 |
| 99027A | 09/01/1999 | 607680 | General motors has decided that some vehicles may not have included the merchandising-intent auxiliary transmission oil cooler (knp). *tt | 10/05/1999 | |
| 99027 | 08/01/1999 | 607627 | General motors has decided that some vehicles may not have included the merchandising-intent auxiliary transmission oil cooler (knp). *tt | 09/30/1999 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - LEVER AND LINKAGE - COLUMN SHIFT | |||||
| 020730024A | 08/01/2005 | 020730024B | 634999 | Diagnosis of cracked or broken transmission case. *tt 2006 and prior cars and light duty trucks. *tt | 10/11/2002 |
| POWER TRAIN - AXLE ASSEMBLY | |||||
| 4030 | 4030A | 10021676 | New design front axle side bearing adjusters. *kb | 06/15/2007 | |
| 3364 | 10014953 | Rear axle retainer button breakage. *eh | 05/12/2005 | ||
| 3001 | 3001A | 10008872 | The service information and owners manual do not show a service interval for the 8.6, 9.5, 9.75, 10.5, and 11.5 inch rear axles with or without g80 (locking differential). *tt 2006 all general motors light duty trucks, vans and utilitie | 08/25/2004 | |
| POWER TRAIN - DRIVELINE | |||||
| 3300 | 3300A | 10013572 | 4wd models with noise, vibration on dry pavement. *eh | 04/21/2005 | |
| POWER TRAIN - DRIVELINE - DIFFERENTIAL UNIT | |||||
| 990421003C | 08/01/2003 | 990421003B | 10004401 | Front wheels slipping with vehicle in four wheel drive. *tt | 12/05/2003 |
| 990421003B | 04/01/2001 | 990421003A | 619378 | Some owners may comment on a slipping type condition at the front wheels while the vehicle is in four wheel drive (4wd). *tt | 05/24/2001 |
| POWER TRAIN - DRIVELINE - DRIVESHAFT | |||||
| 040495001 | 03/01/2004 | 10008653 | Revised wheel drive shaft nut torque specification. *tt | 08/12/2004 | |
| POWER TRAIN - MANUAL TRANSMISSION | |||||
| 131101 | 11/13/2001 | 628117 | Information on 4-wheel drive extended cab, short bed vehicles with 4-wheel drive extended cab, short bed with a bump or clunk on stop or acceleration. *tt | 03/05/2002 | |
| 011101 | 11/01/2001 | 628081 | This message covers trucks with four-wheel drive extended cab short bed with a bump or clunk on stop or acceleration in reference to bulletin number 01-04-17-004. *tt | 03/05/2002 | |
| 251001 | 10/25/2001 | 628027 | Some extended cab short bed vehicles with four-wheel drive may exhibit a bump or clunk on stop or acceleration from a stop. *tt | 03/01/2002 | |
| POWER TRAIN - TRANSFER CASE (4-WHEEL DRIVE) | |||||
| 3424 | 3424A | 10017299 | Electronic transfer case unable to complete shift. *tt | 11/02/2005 | |
| 3389 | 10016707 | Four wheel drive inoperative and the 4wd service light will illuminate. diagnosis may reveal that the atc fuse could be open, possible dtc c0308, or various u codes may be set. the encoder motor may also be shorted or the tccm may be dama | 09/28/2005 | ||
| 3526 | 10016558 | Intermittent service 4wd light comes on with diagnostic trouble code (dtc) c0306 or c0308 stored in tccm. *tt | 09/22/2005 | ||
| 3349 | 10014809 | 4wd inoperative and diagnostic trouble code (dtc) u1026 atc fuse open. *tt | 05/10/2005 | ||
| 3012B | 3012A | 10008806 | The nvg 136 all wheel drive (awd) transfer case and the 236 and 246 nvg selectable transfer cases operating in the auto mode may exhibit a condition of a vibration/shudder during low speed turns such as a parking lot maneuver, up to approxi | 08/23/2004 | |
| 01409 | 11/18/2003 | 10004212 | The nvg 136 all wheel drive (awd) transfer case and the 236 and 246 nvg selectable transfer case shudder on turns. *tt | 11/21/2003 | |
| 020421004 | 04/01/2002 | 634899 | Some customers may comment on the service 4wd indicator illuminating with diagnostic trouble code b2725 set. *tt | 10/10/2002 | |
| 990421003 | 06/01/1999 | 606091 | Some owners may comment about a slipping type condition at the front wheels while the vehicle is in four wheel drive (4wd). *tt | 08/06/1999 | |
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| POWER TRAIN | |||
| 05/15/2001 | 24000 | ||
| Manual transmission locked in gear. emerg. brk. cable will not adjust. abs module has noise. stopped by removing fuse, abs feature not functioning. trans failed in feb. 2003 @ 65k miles. repair made by valencia chevrolet in valencia calif. cost was handled by a extended service warranty. cost to me after a lot of heated negotiation was 85.00. the agency wanted me to authorize a new trans. and clutch. cost: 3600.00 the emergency brake cable failed @21k miles in 2001, the abs module failed @42k miles. in 2002. neither brake item has been repaired. valencia chevrolet wants 2300.00 to repair the abs problem, no quote to repair brake cable. | |||
| 05/14/2003 | 1 | 06/01/1999 | |
| The consumer's 2 year old son was able to move the gear shift without the brake being applied first, and the vehicle rolled backwards. the consumer stated it was a defect, because according to the manual, the brake must be applied before the gear shift can engage in a gear. *jb ph *jb | |||
| 1 | |||
| The transmission experiences a constant noise in 2nd gear and 3rd, unable to be fixed. *mjs | |||
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||
| 06/27/2006 | 82000 | 1 | 04/20/1999 |
| 1999 chevrolet silverado, vin#2gcec19t7x1160147 transmission serviced at 72,000 miles. at 82,000 miles internal failure of transmissions reverse failed completely. complete replacement of transmission made. *nm | |||
| 05/30/2005 | 64487 | 2 | 01/04/2002 |
| Dt: consumer states that the overdrive and reverse gears completely went out. had vehicle towed. they repaired the transmission at that time. the same thing occurred again, but it caused more damage. consumer was going to have the transmission replaced.*ak *sb | |||
| 09/29/2004 | 60942 | 9 | |
| The transmission was serviced more than four times while under warranty for the vehicle revving and sticking in gear. the vehicle has been maintained as it should have been. the manufacture offered no help. *jb the engine had come on, the fuel gauge did not read correctly, transmission slipped, the c control would not engage and a green and white wire at the pin circuit was loose, and the sensor in the washer jug was bad. *sc | |||
| 08/11/2004 | 84540 | 2 | |
| While driving 70 mph vehicle stalled. consumer restarted the vehicle, and towed it home. driver will contact the dealer in the near future.*ak *nm | |||
| 07/18/2003 | 55000 | 3 | 01/28/2002 |
| My truck has 68000 miles on it and i am now on my third transmission. i have the 1999 lt model with the 4 speed auto. one failure was while on vacation trans failed while stuck in traffic. it would not hold pressure. next failure was only 4 months later lost reverse and 1st gear completly car had to be towed again. now 3rd trans is not shifting correctly something is not right in these transmissions. *jb | |||
| 02/26/2001 | 1 | 06/11/2001 | |
| I own a 1999 chevrolet silverado 4x4 ext. cab with a 5.3 engine and have had, what seems to me, to be a strong vibration coming from the torque converter at 40-50 mph. dealer tells me they can't find any vibration even though the mechanics can feel it when driving it. also the rear leaf springs clunk going over even the smallest of bumps. both have happened ever since i purchased the vehicle. *ak | |||
| 01/07/2002 | 365 | 02/09/2000 | |
| I own two (2) chevrolet silverados 4x4's - both have the same issue. everyday the service 4x4 light comes on. i have taken both trucks to dealerships and they state that the computer is not indicating that light coming on so just ignore it. just a computer glitch. other transmission problems is loud clanking when placed in any gear from park. *la | |||
| 07/24/2003 | 1 | 07/14/2003 | |
| 1999 chevrolet silverado shudders at take off between 1st and 2nd gearonly after driven 15 to 20 miles. *ak | |||
| 06/20/2003 | 2 | ||
| Chevrolet siverado extended cab, 1999 ;abs system failed in june 2003! (transmission broke in summer 2002.couldn't back-up anymore!). *ak | |||
| 05/11/2002 | 59226 | 1 | 08/08/1999 |
| Good morning, i own a 1999 silverado, long bed, with an automatic transmission and i am having a few problems, any help you can provide would be greatly appreciated... first the abs motor continues to run after the engine has been shut off, i had to disconnect the abs fuse so the battery will not get drained. second the automatic transmission is shifting hard from 1st to 2nd and from 2nd to 3rd, i am forced to shut the engine off for a couple of minutes and when i restart the engine the problem disappear, i have read your safety bulletins and gm is aware of these problems. my truck looks and acts practically like new except for the intermittent transmission problems and the abs. i had babied my truck since i bought it, and i have owned gm products all my life and i don't think is fair for me to spend thousands of dollars for gm's manufacturing problems... please advice... thanks...!!!*jb | |||
| 03/04/2003 | 28000 | 1 | |
| The automatic transmission failed.*jb | |||
| 01/04/2003 | 36300 | 0 | 03/01/1999 |
| At 33,000 miles, oct 2002 -approximately 55mph, acted like it was not in gear then the transmission fluid hot light came on. immediately pulled off to side of road - checked transmission fluid, it checked ok and the light went off. pulled back onto highway - it was fine. immediately took to local dealership; they hooked it up to the computer and didn't find anything wrong. in jan 2003, upon acceleration, around 25-30mph, it acted as though it wouldn't go into 3rd & 4th gear. same as oct 2002, but nothing registered on the truck's message center this time. and this time, the problem didn't go away. i took to another local dealer - mechanic drove vehicle and noted the problems. still, nothing registered on the truck's message center. mechanic even hooked up the truck to his computer and drove it while it was still failing. to his suprise, nothing registered on his computer either. they overhauled the transmission - replaced 3rd & 4th gear. they adjusted the bill - as if i purchased extended warrenty. contacted gm - they report there have not been any problems like this with these trucks. sometimes this happens when people make things -it's unfortunate that it happened to you. after that call - i found this site and found a technical bulletin referring to this same problem. very disappointed with only having 36,000 miles since march 1999. | |||
| 02/25/2002 | 1 | 11/06/2001 | |
| Transmission causing vehicle to stall. *ak the first shift solenoid broke and the sencond one cracked, the abs module failed at 73554 miles causing the abs pump to remain on, consumer had abs pump disconnected. *mj | |||
| 06/11/2001 | 1 | 03/31/1999 | |
| Abs light came on while driving also, when engine was shut off fan kept going. dealer replaced abs motor. *ak the rear window on passenger side leaks water. driver side window rattles when closing door. driver door squeaks when opening and closing. the front seat belt locks up. the front end was leaking due to front differential vent failure. wiper blades failed. driver?s seat would not move due to seat adjuster failure. the abs light came on because the abs motor was defective. transmission was leaking. the battery was leaking and was replaced. the coolant light came on due to a leaking water pump. *yh | |||
| 04/01/2001 | 10 | 04/01/2001 | |
| Transmission slips at times. the driveshaft acts as if it to is slipping i called gm and told them what was going on .they told me it was the character of the truck, and it cannot be fix i have talked to other owners of that year and they to have the same thing happening to there truck also.*ak | |||
| 08/24/2001 | 12/01/1999 | ||
| I have had problems with my transmission intermittently slipping when starting to accelrate from a stopped position. this occurs on an infrequest basis and has been happening since i bought the truck. gm has replaced the transmission and the problem still happens. i went back to the dealer who refused to do anything because they could not reproduce the problem. i then contacted gm's corporate office and i was asked to bring my truck in again for them to replace the kickdown cable. the problem still persists today.*ak | |||
| 1 | 05/06/1999 | ||
| Abs system motor continues to run when vehicle is shut off. vehicle has been repaired by dealer, however problem still exists. a tsb has been issued on vehicle's make and model.*ak consumer states that the brake now locks up when not pressed. transmission failed at 62251 miles, reverse, 2nd, and overdrive do not work, dealer has recall on this as long as vehicle is under warrany, the reverse drum shell failed, this part was made soft and is replaced by a harder part. *slc | |||
| 03/27/2001 | 2 | ||
| Vehicle will not go into drive after it sits for a while. vehicle will start up, but once it goes in drive engine will rev, but no movement. problem seems to be intermittent. dealer couldn't find anything wrong with vehicle. consumer is considering getting a second opinion. *ak when hitting bumps and applying the brakes, there is a noise. accelerator pedal sticks, dealer replaced the throtle body. plastic bezel at tailgate handle came off, delaer reinstalled. *slc | |||
| 03/26/2001 | |||
| Vehicle has a vibration in floorboard. problem has been consistent. the transmission has to be reprogrammed to at least cut down some of vibration.dealer has not yet found a remedy. *ak | |||
| 03/01/1999 | |||
| Abs module continues to run, abs & brake light on in dash. many others like this. chevy has started installing a different unit, but has not recalled the older units that have failed.*ak | |||
| 06/03/1999 | |||
| A piece of metal fell out of steering column. also, front end needed alignment due to drifting/pulling right/ 4-wd light keeps coming on. when shifting into gear, rear end would pop, and abs brakes went out when applied. when vehicle is turned off it would still be running. would restart it and it turned off.*ak | |||
| 4 | 03/19/1999 | ||
| Transmission failure, transmission's clanking, hard to accelerate, jerking, slipping, and shifting erratically. *slc | |||
| 05/04/2000 | 2 | 06/01/1999 | |
| 5 service calls on transmission / replaced twice & still venting fluid | |||
| 09/15/2000 | 1 | 01/01/1999 | |
| Transmission completly failed. explanation from the dealer was metal seperated in the transmission and that they didn't know why. | |||
| 02/01/2000 | 12 | 02/01/1999 | |
| Transmission emits an intermittent howling noise during which time torque transfer from engine to drive train is reduced. noice may last from 10 minutes to 10 hours. transmission also occasionaly does not engage when starting from a full stop. dealer first diagnosed as possible faulty transmission pump but did not repair or replace. | |||
| 01/25/1999 | 1 | 01/01/1999 | |
| 3rd transmission related failure | |||
| 01/25/2000 | 1 | 06/01/1999 | |
| Truck has been at dealer for repair total of 35 days before 1st anniv. of ownership with over 20 separate problems, 5 of which are unresolved to this date. vehicle is at dealer now for final repair before tn lemon law can be implemented. worst and current problems are front end alignment (pulls to right), front brake squealing (pads replaced twice, rotors turned once), rear end vibration at any speed and clanking sound over bumps(all 4 tires, both rear leaf spring stacks, all 4 shocks replaced. one shock had broken shaft) , engine backfires & knocks at startup (dealer reprogrammed comp. w/no results except to improve power, but accel. pedal sticks now!), trans. slips from dead stop for few seconds about once per week, 4wd transfer case slipped in low in deep snow (replaced fluid and did reprogram. results??), ext. cab pop out windows replaced due to poor fit (one exploded upon removal & dealer had to repaint side of truck. new ones are no better than originals!), rear seat missing rubber mounts(dealer replaced, but now seat makes popping noise due to rear cab wall flexing!), drive shaft makes loud clanking sound when shifting from park(dealer says this normal!). problems repaired: rear brake line loose & in harms way(missing mount replaced), steering box loose and steering column rattled and loose around any turns(box tightened and column shaft replaced), drivers side window switch sticking in down posit.(switch replaced), all door weatherstrips and drip rail molding loose (replaced all), rear license plate light broken and replaced, door lock levers fell out of both doors(replaced both). lemon, lemon,lemon!!!!!!!!!!*ak( dot number: ) | |||
| 03/27/2000 | 1 | 09/01/1999 | |
| When placed in 4wd mode the truck makes a groaning/moaning noise at approx 9 mph on. if the steering wheel is turned the truck jerks and shudders. this happens on dry pavement and sheet ice, we drive on both a lot up here in alaska. i have a lot of prior experience with 4x4 vehicles and this is abnormal to the point of being dangerous. i have taken it in to the dealer and they have contacted gmc. the service mgr told me that he had talked with a bob at tan and got no assistance, but was told that this was normal for all 4x4 trucks. the dealer agrees with me that this is not normal and they told me that mine is the third truck in the last few weeks to have this problem, all with no help from gmc. the dealers solution is to not use 4wd unless absolutely vital. but 4wd is absolutely vital driving on the roads here in alaska most all winter, and part of spring. the erratic control feel is very bothersome and i believe a serious safety issue! *ak | |||
| 06/02/1999 | 3 | 11/25/1998 | |
| Transmission slips out of gear on occasions, on two occasions the key was removed and consumer was exiting vehicle at time of slippage. *mjs | |||
| 09/30/1999 | 3 | 09/01/1999 | |
| Vibrations have occurred since the day of purchase. have not been corrected in 3 attempts at dealership. i requested from the chevrolet customer assistance that the regional service manager be involved in repair of my vehicle, chevrolet denied this service. *ak | |||
| 12/22/1999 | |||
| Onsumer is not satisfied with this vehicle. dealership had vehicle for thirty days over two month period. consumer heard a grinding noise underneath the hood . front four wheel drive differential was replaced. also, steering wheel had a lot of play, and was replaced with upper and lower shaft/ transmission wouldn't shift into second and third gears. dealership reprogramed pcm, and the transmission still doesn't operate at all. the back window flew open from the third door. *ak | |||
| 12/01/1998 | 1 | 12/01/1998 | |
| Transmission does not shift out of 2nd gear when outside temperature is below 30 degrees. *ak | |||
| 06/22/1999 | 100 | 06/01/1999 | |
| Vehicle vibrates between 0 mph to 22 mph. more pronounced when towing trailer. dealer and gm contacted, were advised is common problem, no fix available as of 12-6-99. engineers working on problem. *ak | |||
| 07/14/1999 | 7 | 05/01/1999 | |
| Engine pings or has spark knock under acceleration or while towing a trailer. also a spark knock when starting after being warmed up. transmission will not stay in one gear while towing even on leavel road . has had no luck with dealer . dealer always states ( could not duplicate customers concern.) a g.m. tech. rep road tested this vehicle and stated all parameters are within factory specs. *ak | |||
| 10/13/1999 | 1 | 08/01/1999 | |
| Reprogramed pcmwith update.overdrive comes in at 51mph.fuel milage down to 12mpg.this is just a quick fix by chevy. | |||
| 01/28/1999 | 3 | 01/01/1999 | |
| Exhaust: sounds like exhaust leak when accelerating from approx 4omph, dealer said it was smog pump. drive shaft: clunking sound from rear of vehicle on take off, dealer said it was drive shaft and was normal. transmission: shifting hard from 1st to 2nd and sometimes to 3rd. windshield: clacking noise coming from windshield area at 50+mph. dealer said it was trim and replaced it 3 times, not fixed. | |||
| 09/17/1999 | 3 | 05/01/1999 | |
| On 3 occasions, once around 1200 miles and twice at around 5500 miles, went to accelerate from a standstill, and the truck did not move. engine revved, then slammed into gear, and then truck was able to move. no specific pattern to this, just random. dealer cannot duplicate the problem. | |||
| 05/01/1999 | |||
| Abs: while braking over semi-rough/rough surface, brakes seem to slip or disengage, causing extreme vibration. transmission: while pulling trailer or accelerating uphill, excessive vibration occurs. steering: while speeds 45 mph+, moderate vibration in front-end and sterring column. suspension: while tiurning wheels maximum left or right, or driving over uneven surfaces, hear a clicking noise in front-end. rear window: latch does not securely tighten window causing excessive wind noise. | |||
| 07/23/1999 | 06/01/1999 | ||
| Vibration in drivetrain at speeds less than 45mph. engine only runs 1,000-1,100 rpm's at speeds less than 45mph. transmission shifts into 3rd at approx. 20mph and 4th at approx. 30mph. engine feels like it is struggling at speeds less than 50mph. two different dealerships stated there was a problem, but said that everything was electronic and nothing could be adjusted. a/c is not cooling sufficiently. it only cools on full cool with re-circulation and fan on high. even then, air coming directly from center vent does not get below 48 degrees. i tested two other vehicles and both blew 40 and 42 degrees from center vent. two different dealerships admitted there was a problem, but stated there was no fix. driver-side outside mirror vibrates. dealer replaced twice and both manufacurer and dealer refuse to replace again. weather stripping along ouside bottom of both driver and passenger windows is defective. dealer and manufacturer both refused to correct problem because other stock units look the same. | |||
| 100 | 06/01/1999 | ||
| Drive train vibration problem is getting worse | |||
| 06/16/1999 | 100 | 06/01/1999 | |
| Front ends shakes at 64mph/vibration in rear when you take off. air sound when you press brakes. jerks when you get to about 10mph. been in shop 4 times with no repairs made at all. | |||
| 12/22/1998 | 12/23/1998 | ||
| Transmission is shifting hard when shifting from first to second gear while driving in low speed. dealer can't determine the problem. *ak | |||
| 02/05/1999 | 4 | 01/01/1999 | |
| Transmission shifting hard form 1st to 2nd. dealer replaced transmission assembly. new transmission shifted hard. dealer reprogrammed truck. one week later, transmission started vibrating in 1st and 2nd gears. dealer reprogrammed truck again. now transmission not engaging in first gear untill rpm's are at or above 1500. *ak | |||
| 10/05/1998 | 5 | 10/01/1998 | |
| Other equipment; severe vibration that feels like body flexes between 65-75mph. i have slowed and pulled off onto the should fearing personal saftey. i have brought it to 2 dealerships for a total of 5 times, and spoken with gm customer service, as well as written a letter to chevrolet. they claim that it is a new charateristic of this year, no fix. powertrain:transmission:automatic - it shifts into overdrive at about 37 mph producing a growling sound, brought to two dealerships for a total of 5 times, no fix. other equipment - clunk noise from front. *ak | |||
| 02/22/1999 | 15 | 02/01/1999 | |
| Since date of purchase, transmission has been vibrating and causing engine to feel like it is under stress/heavy load. contacted dealer and another chev. serv. both advise chev. knows of problem but does not know what it is or how to correct it. contacted chev. cust.serv. total waste of time. they do not care. simply state if chev. tac says they are working on problem what do i care. they will fix it eventually. problem is if they dont know what the problem is how can chev. claim it is not a safety issue. second problem- abs brakes are activating on dry hard surface at speeds under 40 mph. dealer syays problem does not exist. stated they called chev. tac know nothing about break problems so there must not be one. tried to say that i dont know how abs works. have had abs for 15 years know it pretty well. it is definitely activating when is should not. it seems that chev. is not concerned becasue truck was bought and paid for. | |||
| POWER TRAIN - AUTOMATIC TRANSMISSION - CONTROL MODULE (TCM, PCM) | |||
| 05/01/2003 | 74000 | 1 | 05/01/2003 |
| The vehicle was taken to an independent mechanic who stated the abs pump and the pcm module were going bad. *nlm this problem was displayed in 1999 silverado's. the problem was, the abs pump continued to run after the vehicle was turned off. (the abs was inoperative) gm representative stated there was no recall, but an upgraded part and the consumer paid for the repair. *scc *jb | |||
| 03/06/2000 | 3 | 06/11/1999 | |
| Fuel pump, body control module and main computer have been replaced but the vehicle continues to stall while driving or not start at all. nlm | |||
| POWER TRAIN - AUTOMATIC TRANSMISSION - GEAR POSITION INDICATION (PRNDL) | |||
| 03/15/2006 | 145000 | 1 | |
| Dt*: the contact stated the instrument cluster failed and the gear shift indicator did not illuminate. the vehicle was taken to the dealer who recommended replacing the instrument cluster to repair the problem. however, the instrument cluster previously was replaced for the same problem. | |||
| 06/22/1999 | |||
| Vehicle keeps jumping out of gear. dealer claims it is due to a defective transmission which has been replaced 3 times. defect keeps reoccurring. dealer also claims there is no solution. transmission will eventually fail.*ak *ml | |||
| 10/19/1998 | |||
| In cold weather transmission will not shift into 2-3 gear at approximatelly 21 mph. instead, it will not shift until it reaches 33 mph. cause unknown. *ak | |||
| POWER TRAIN - AUTOMATIC TRANSMISSION - LEVER AND LINKAGE - COLUMN SHIFT | |||
| 02/24/2002 | 2 | 04/01/1999 | |
| On 2/28/02, i reported to gm that my 1999 chevrolet silverado was jerking & binding when the vehicle rounded corners or in a 180-degree turn. a service manager took this vehicle for a test drive by himself in the parking lot and did a couple of turns and a 180-degree turn. he also found that it did have a jerky or jumping movement as it went into the turn. this front wheel binding may be some type of design irregularity or flaw, which occurs while in the 4-wheel drive mode. since the service manager considers it a normal condition, and nothing can be done at his level to correct this issue, i believe that this irregularity should be further investigated. why, because these erratic movements could jerk, bind, or stop the vehicle at any speed if the steering wheel is being turned and the vehicle in motion. nowhere in my operator's manual, or on the dash is there any sticker which identifies that this vehicle while in a 4-wheel drive mode will jerk or bind while turning corners.*ak | |||
| 01/15/2000 | 01/29/1999 | ||
| Emergency brake has been adjusted 4-5 times. when applied, brake holds vehicle, but pedal goes to the floor. also, dealer replaced brake pads. *ak daytime running bulb blew out after it had just been replaced. rear window assembly was leaking, power window was slow going up. transfer case was replaced due to a clunk noise, transaxle shaft replaced due to leaking. front brake hose experienced an abrasion. vehicle was leaning, dealer adjusted front torsion bar. *jb | |||
| 09/06/2001 | |||
| Transfer case failure while driving. vehicle taken to dealer, and informed consumer that a transfer case mode switch had to be replaced, repairs were done. feel free to provide any further information. *ak | |||
| 11/16/1999 | 11 | ||
| Front end has been vibrating since purchase of vehicle, dealer has replaced front end twice/ dashboard twice, and transfer case 3 times. went to different dealers 11 times. could not remedy problems. chevrolet first agreed to buy vehicle back, then changed mind. independent mechanic felt that problem had to do with driveline. vehicle was at dealer 85 days first year. please add additional information. *ak | |||
| 06/03/1999 | |||
| A piece of metal fell out of steering column. also, front end needed alignment due to drifting/pulling right/ 4-wd light keeps coming on. when shifting into gear, rear end would pop, and abs brakes went out when applied. when vehicle is turned off it would still be running. would restart it and it turned off.*ak | |||
| 06/24/2000 | 1 | 05/01/1999 | |
| While in 4 wheel drive front end binds and comes to a stop when wheels are turned. *ak | |||
| POWER TRAIN - AUTOMATIC TRANSMISSION - TORQUE CONVERTER | |||
| 09/26/1999 | 1 | 09/01/1999 | |
| Constant loud ticking noise from left side of engine/underbody. only audible while truck is in gear and under accelleration. suspect faulty catalytic converter or manifold to exhaust seals. if leaking, could pose health threat. dealership and chevrolet advised. so far, response is that is the way it was designed. noise is simply engine harmonics passing through tailpipe. i disagree | |||
| POWER TRAIN - AXLE ASSEMBLY | |||
| 01/01/2001 | 66934 | 6 | 09/12/1999 |
| Parking brake has never been effective to hold vehicle, at 66000 miles the rear axle pinion bearings wore out. at 68 k000miles the abs controller stopped working/ fuse had to be pulled to stop motor. [should there have been a recall on this part as a lot of silverados have the same problem] 73000 miles front axle housing split in two halves literally/ had to remove axle. 50000 miles battery corroded and leaked at positive terminal tailgate straps broke, luckily one first.*ak | |||
| 12/09/2001 | 1 | 04/01/1999 | |
| I was hauling wood,well within weight limitasions,when frame bent at rear axle. *ak | |||
| 03/20/2000 | 03/01/2000 | ||
| I have had my truck which i purchased used in march 2000, with 13,000 miles on it into the dealer numerous times to identify and correct a problem with the rear end making a clunking sound upon shifting and starting from a coasting position. the first time i was told they could not find a problem, the second time i had the service manager ride with me and he heard the problem, they performed maintenance as delineated in a service bulletin covering changing the oil in the rear end. this did not correct the problem, the problem has gotten significantly worse in the last 6,000 miles. i had another gm mechanic look at the problem and he indicated that the rear end was not properly set up at the point of manufacture and to go back to the dealer and tell them. the third time i had the truck in for this problem, once again i had the manager ride we me and hear the noise again and again. they looked it over, and not wanting to tear into the rear end discounted the problem and inherrent to this vehicle and described the problem as differential torque slap. i am quite concerned about this noise, and the issue of warranty coverage. i dont like having to go back time and time again to resolve a problem and told there is none. i bought the truck to drive not sit in the service bay. *ak | |||
| 03/19/2001 | 6 | 04/11/2000 | |
| Vehicle's rear end locks up when making turns. took vehicle to dealer 6 times, replaced entire rear end. vehicle was fine for 5 weeks, then vehicle locked up again. *ak consumer states there is a loud popping sound after starting off, dealer replaced differential case, bearings, and axle seals, problem still occurs. *slc | |||
| 10/01/2000 | |||
| Rear end locking up, and causing internal damage. manufacturer notified, and informed consumer that vehicle was not covered under manufacturer's recall. please feel free to provide any further details on this matter. *ak | |||
| 4 | 04/01/2000 | ||
| This is an intermittent problem that occurs unexpectedly. when brake is applied pedal goes to the floor, resulting in no braking power. dealer cannot duplicate the problem.*ak the customer is concerned about safety, since the problem could reoccur anytime in the future. customer had problems with the transmission and rear gears on rear axle. *yh | |||
| 01/17/2000 | 1 | 05/01/1999 | |
| On jan. 17,2000 we were driving through norman,it was foggy, and we hit a slick spot. i over corrected and the truck spun. we hit the crub with the left rear tire and jumped the crub. it looked to be flat but when we tried to pull the truck off the crub and straighten out to put the spare wheel on it would not move or turn. we had it towed to a repair shop who looked at the damage and fixed it. we filed with the insurance because we thought it wasn't covered under warranty. we were told later that the axle should not have bent like it did to begin with. *ak( dot number: tire size: p235/75r16 ) | |||
| POWER TRAIN - AXLE ASSEMBLY - AXLE SHAFT | |||
| 01/15/2000 | 01/29/1999 | ||
| Emergency brake has been adjusted 4-5 times. when applied, brake holds vehicle, but pedal goes to the floor. also, dealer replaced brake pads. *ak daytime running bulb blew out after it had just been replaced. rear window assembly was leaking, power window was slow going up. transfer case was replaced due to a clunk noise, transaxle shaft replaced due to leaking. front brake hose experienced an abrasion. vehicle was leaning, dealer adjusted front torsion bar. *jb | |||
| 09/30/2000 | 3 | 12/01/1999 | |
| Service department for wheeler chevrolet cannot find the cause for the failures, they said they hoped the problems was fixed, however the right wheelbearing had to be replaced again and the brakes failed because of the rotor locking to the spindle when the bearing wore out after less then 30 miles and i have retained a private company to correct the defect and to see why wheelers could not sole this problem, they told me at one point that i shouldn't worry about the grinding noise the bearing prior to this one was making and to drive as normal as you can see by the low milage i dont drive it and until the saftey issue is resolved i will not allow my family to either.*ak | |||
| While driving 20 mph or above rear of the vehicle severely vibrates, cause unknown. the dealer replaced the tires/driveshaft and right and left axle and bearing, which has not corrected the problem. please give any further details. *ak | |||
| POWER TRAIN - AXLE HUBS | |||
| 01/01/2001 | 66934 | 6 | 09/12/1999 |
| Parking brake has never been effective to hold vehicle, at 66000 miles the rear axle pinion bearings wore out. at 68 k000miles the abs controller stopped working/ fuse had to be pulled to stop motor. [should there have been a recall on this part as a lot of silverados have the same problem] 73000 miles front axle housing split in two halves literally/ had to remove axle. 50000 miles battery corroded and leaked at positive terminal tailgate straps broke, luckily one first.*ak | |||
| 06/30/1999 | 02/01/1999 | ||
| Excessive shimmy in the front end at approximately 60 to 65 mph. truck has been brought back to the dealership numerous times for repair, but no repair was available. we were told when a repair was available we would be called. to date, there is no repair available. i my opinion it is a hazardous situation due to loss of control, especially in wet weather. we have no idea if the problem is causing other front end damage. the tires have been rotated and balanced, front end aligned and then we brought it back to the dealership as per bulletin #99-03-002 (replaced both front hub bearing assemblies/ right and left rear spring eye bushings, and both rear shocks).*ak | |||
| POWER TRAIN - DRIVELINE - CONSTANT VELOCITY JOINT | |||
| 02/28/2001 | |||
| When anti lock brake system activates on rough surface brakes go to floor. abs module failed and ran all time. consumer pulled fuse out and corrected problem with antilock system. dealer was aware of some major prolems. second problem was driveshaft. rear universal joints came apart while driving at 65mph. it was taken to a driveshaft shop, and they found no signs of grease in joints. *ak | |||
| POWER TRAIN - DRIVELINE - DIFFERENTIAL UNIT | |||
| 05/26/2003 | 67275 | 1 | 11/12/2000 |
| I purchased this truck used with slightly over 26,000 miles on it with the remainder of the original 3yr/36,000 mile bumper to bumper warranty. since the purchase there has been a popping and ratcheting sound coming from the rear end. the differential unit was improperly operating. tried for 22,000 miles to get the dealer to replace the differential unit but was told several times that the unit was fine and the noise was to be expected. when the truck reached 40,000 mile the differential became completely inoperable. just over 27,000 miles later the differential exploded destroying the entire internal axle assembly. the dealer still refuses to help. the dealer refused to fix the problem for the orignal owner and is still refusing to fix the problem. i have contacted chevrolet customer service and they are trying to resolve this problem. i really did not appreciate the way the dealer has treated me this entire time. they treated me like i was some dum punk kid that just walked in off the street. i should not have been treated this way nor should i or anyone else have to put up with this kind of service. | |||
| 06/11/2001 | 1 | 03/31/1999 | |
| Abs light came on while driving also, when engine was shut off fan kept going. dealer replaced abs motor. *ak the rear window on passenger side leaks water. driver side window rattles when closing door. driver door squeaks when opening and closing. the front seat belt locks up. the front end was leaking due to front differential vent failure. wiper blades failed. driver?s seat would not move due to seat adjuster failure. the abs light came on because the abs motor was defective. transmission was leaking. the battery was leaking and was replaced. the coolant light came on due to a leaking water pump. *yh | |||
| 03/30/2000 | 2 | 07/31/1999 | |
| Without any indication, front end of vehicle locked up, causing consumer to lose control of vehicle. dealer was contacted, and stated that subframe needed to be replaced. *ak *nlm the front differential was torqued sideways and broken apart, causing the frame to have 2 breaks, this caused the front to lock up, also prior to this consumer complained of a delay between the forward and reverse, when a bump was felt when accelerating, consumer also heard a clunk noise, dealer drained and replaced the transfer case fluid twice. the engine sputters in 4 wheel low and there is a whine noise or pulley noise from the engine. the front seat arm rest fell off. the left front daytime lamp was full of water due to the assembly being improperly sealed at the factory. the brakes pulsated and pedal felt soft, dealer stated the right rear caliper was sticking and the front and rear rotors were corroded badly, causing the brake pads to wear. the electric brake was inoperable, dealer installed a new plug, the wiring harness was badly damaged. the power windows were inoperable. the left door creaks due to front door link being loose. consumer was informed that he was supposed to sign a waiver because of the plow being placed onto the extended cab, this was because the installation was not recommended, however the consumer was never informed of this until after the installation and the problems with the vehicle. *slc | |||
| 11/16/1999 | 11 | ||
| Front end has been vibrating since purchase of vehicle, dealer has replaced front end twice/ dashboard twice, and transfer case 3 times. went to different dealers 11 times. could not remedy problems. chevrolet first agreed to buy vehicle back, then changed mind. independent mechanic felt that problem had to do with driveline. vehicle was at dealer 85 days first year. please add additional information. *ak | |||
| 03/05/2000 | 15 | 06/01/1999 | |
| There is a grinding and clunking noise from differential area. | |||
| 08/05/2000 | 2 | 08/01/1999 | |
| No summary listed for above vehicle. *ak | |||
| 08/05/2000 | 2 | 08/01/1999 | |
| No summary listed for abov evehicle. *ak | |||
| 12/01/1998 | |||
| I am planning on turning this vehicle in on the lemon law. no safety defect listed witin summary. *ak | |||
| 12/22/1999 | |||
| Onsumer is not satisfied with this vehicle. dealership had vehicle for thirty days over two month period. consumer heard a grinding noise underneath the hood . front four wheel drive differential was replaced. also, steering wheel had a lot of play, and was replaced with upper and lower shaft/ transmission wouldn't shift into second and third gears. dealership reprogramed pcm, and the transmission still doesn't operate at all. the back window flew open from the third door. *ak | |||
| 04/23/1999 | 4 | 12/01/1998 | |
| New vehicles need more testing before they are sold to the public. | |||
| 01/17/1999 | 3 | 10/01/1998 | |
| Date of purchase: 10/14/1998. check engine light appeared first day of pick up. kightlinger motors put new part on the next week. december 28, 1998: took to dealer stating something wrong with front diff. said nothing wrong. 1/17/99: front differential snapped, gear box broke. would not warranty! paid 3700 to fix. next week, knocking noise. took in said nothing wrong. took to different dealer. one bolt holding gear box , front diff. in. 6/21/99 brakes metal to metal. took to kight. said stone caught. took to different dealer, replaced brakes and rotors. front end needs replacing 7/3/99: no brakes-fluid leaks. *ak( dot number: 0000 tire size: 265r7516 ) | |||
| POWER TRAIN - DRIVELINE - DRIVESHAFT | |||
| 02/24/2002 | 1 | 03/01/2001 | |
| No summary listed for above vehicle. *ak | |||
| 04/01/2001 | 10 | 04/01/2001 | |
| Transmission slips at times. the driveshaft acts as if it to is slipping i called gm and told them what was going on .they told me it was the character of the truck, and it cannot be fix i have talked to other owners of that year and they to have the same thing happening to there truck also.*ak | |||
| 01/15/2001 | 06/01/1999 | ||
| The components on this truck ranging from the engine and drivetrain, windows, streering gear and shafts, e-brake lines, fuel pedal linkage and now the fuel gae itself has been a constant source of problems for me since the turch wes only a few months old ( 8,000 miles). chevrolet has admitted that they knwon of most of the major problems but has indicated that they are working on a fix. yet i have to contiune to drive the vehicle. i need some help.onsta | |||
| 02/28/2001 | |||
| When anti lock brake system activates on rough surface brakes go to floor. abs module failed and ran all time. consumer pulled fuse out and corrected problem with antilock system. dealer was aware of some major prolems. second problem was driveshaft. rear universal joints came apart while driving at 65mph. it was taken to a driveshaft shop, and they found no signs of grease in joints. *ak | |||
| Drivetrain binds up, and will also shake and growl when driving at speeds of 35-55 mph.*ak | |||
| 11/10/1999 | 4 | 03/01/1999 | |
| Have taken vehicle to dealer 4 times and each time they say nothing is wrong. consistently called general motors with no response. when driving vehicle must keep hands in 10-10:30 position to keep vehicle straight. unable at this time to rotate tires thus causing more uneven wearing. one dealer told me this was just normal for cherolet. this is the second z71 in our family and my son had worse problems than mine. at present rate i will be lucky to get 40,000 miles out of tires. firestone inspected (visual only) and said wear was normal, however you can see splits and cuts in treads already.( dot number: w278wma458 tire size: p265/75r16 ) | |||
| 11/18/1999 | 2 | 08/01/1999 | |
| After having in shop for 6 dys having the driveshaft replaced, 3 dys later, grinding and whining in rear end, differential bad(4th problem in 2.5 months with this truck!) | |||
| 11/09/1999 | 1 | 08/01/1999 | |
| Driving on highway and drive shaft fell off. no warning of problem. bolts remained in and the shaft just fell out. tow truck driver said never seen anything like this. 3000 miles on vehicle, bought aug, 23 1999. also, had vibration and noise from wind shield, had in shop twice for repair, ended up having to reseal the wind shield, dealer had done 3 simular trucks for the same thing. | |||
| 01/28/1999 | 3 | 01/01/1999 | |
| Exhaust: sounds like exhaust leak when accelerating from approx 4omph, dealer said it was smog pump. drive shaft: clunking sound from rear of vehicle on take off, dealer said it was drive shaft and was normal. transmission: shifting hard from 1st to 2nd and sometimes to 3rd. windshield: clacking noise coming from windshield area at 50+mph. dealer said it was trim and replaced it 3 times, not fixed. | |||
| 06/17/1999 | |||
| While driving a t45mph a lot of vibrations occurs on passenger's side. the side view mirror would shake. had vehicle in shop 9 days to correct problem. the tires & rims where checked, balanced & replaced. the driveshaft was also replaced. the problem has since returned. *ak | |||
| While driving 20 mph or above rear of the vehicle severely vibrates, cause unknown. the dealer replaced the tires/driveshaft and right and left axle and bearing, which has not corrected the problem. please give any further details. *ak | |||
| 03/07/1999 | 03/01/1999 | ||
| I took delivery of vehicle on 3-1-99. noticed front end vibration at 65 mph. took vehicle back to dealer. i was told it was a goodyear tire problem. they replaced all tires. problem remained as well as feeling a shaking in the steering on rough or bumpy roads. took vehicle back to dealer. i was told that it was a drive shaft problem. shims were placed in the driveshaft. problem then became much worse. vibration shook entire vehicle making steering difficult. took vehicle back to dealer. shims were removed. gm knows about multiple problems and their only reply was in 70 days we might have a fix. in 70 days the driveshaft might come up through the floor of my truck, too. please look into these problems before someone is killed. gm sure doesn't care! i have consulted three dealership service departments - two chevrolet and one gmc. they all admitted to having at least 6 or 7 trucks with these problems. multiply that by the number of chevrolet and gmc dealerships in this country and you will see the magnitude of these problems. none of us can take on gm. please help us. i might suggest that if gm can correct the problems, that they offer a free extended warrantee to all who were affected by these problems. *ak | |||
| POWER TRAIN - DRIVELINE - UNIVERSAL JOINT | |||
| 04/11/2007 | 69000 | 2 | |
| Center u joint . *ak | |||
| POWER TRAIN - MANUAL TRANSMISSION | |||
| 04/21/2005 | 3 | 01/01/1999 | |
| Emergency brake failed three times. the consumer contacted the manufacturer. *nm while driving consumer tried to down shift and the vehicle would not go into gear. the brakes locked up and the anti-lock braking system did not work. the emergency brakes also failed to work causing the driver to hit a tree. the driver or passenger side air bag did deployed. the driver's seat ejected off of the floor with the driver strapped into the seat. the vehicle had caught on fire upon the side impact. consumer has had trouble shifting threes times previously and the transmission along with the clutch had been replaced once before. *tt *sb | |||
| 3 | 11/01/1999 | ||
| Consumer states vehicle has stalled 3 times within the last 18 months for no reason, the vehicle stops pulling as if the transmission has lost its power train.(idc consulting, leonard philandez on behalf of consumer).*jb | |||
| 09/01/2000 | 3 | 05/04/1999 | |
| Consumer has had seatbelt repaired under a manufacturer's recall. but, consumer is calling to report that safety belts lock up at all times. dealer has been contacted. the locking up of the seat belt severely restricts the drivers movement, the lock up problem makes it difficult to steer the vehicle and makes it impossible to reach the trailer-brake controller unit, at times the vehicle will not back up, possible transmission malfunction. consumer can not get the retractor mechanism to release. nlm | |||
| 1 | |||
| When the vehicle sits overnight the transmission whines for a few blocks, the tack does not show unusually high rpms. *mjs | |||
| 1 | 03/19/1999 | ||
| Speedometer reads fast. *slc | |||
| 07/02/1999 | 1 | ||
| The transmission does not function properly when towing on a steep grade, engine oscillates rapidly. *mjs | |||
| POWER TRAIN - MANUAL TRANSMISSION - COLUMN SHIFT ASSEMBLY | |||
| 11/15/2004 | 50 | 3 | 01/01/1999 |
| Consumer complained about a manual transmission which stuck in gear. consumer contacted the dealer who repaired the transmission once before, and currently the transmission was defective again. *ak......consumer had problems in shifting gears. it wa simpossible to put trtansmission in neutral | |||
| 09/25/2000 | 1 | ||
| While parked on a semi slope vehicle is in 1st gear. key out of the ignition, and the emergency parking brake activated, but vehicle rolled away unexpectedly which may have caused an injury. dealer cannot determine the cause. *ak possibly clutch is not a proper size for the vehicle. *yh | |||
| POWER TRAIN - TRANSFER CASE (4-WHEEL DRIVE) | |||
| 01/10/2000 | 2000 | 1 | |
| The vehicle has the automatic four wheel drive, once it was applied the brakes stopped working. the vehicle was serviced and the problem still continued. *jb | |||
| 11/15/2003 | 70500 | 1 | 08/11/1999 |
| 1999 gm silverado 71,000 miles. new ventura 246 transfers case has developed a hole. the hole caused the loss of transfer case fluid under vehicle. dealer and gm customer service content that is not there problem or fault and will not repair under defect of material or manufacturing. dealer has also noted with gm customer service that the hole was a puncture indicating abuse. local transmission shop (goodale transmissions. columbus ohio) indicate that this is a common problem with this transfer case. the holes are caused by a retaining spring (used to hold an internal pump? per service shop) break and rub on the inside of the case. safety issues cased by this failure are possible fire when fluid is deposited on the exhaust system. loss of rear brakes due to contamination by transfer case fluid. possible loss of vehicle control if transfer case freezes due to lack of fluid. repair cost for $900 to $3000 plus. *la | |||
| 01/07/2002 | 365 | 02/09/2000 | |
| I own two (2) chevrolet silverados 4x4's - both have the same issue. everyday the service 4x4 light comes on. i have taken both trucks to dealerships and they state that the computer is not indicating that light coming on so just ignore it. just a computer glitch. other transmission problems is loud clanking when placed in any gear from park. *la | |||
| 01/01/2003 | 74000 | 1 | 01/04/2003 |
| Every time when taking off, something in the transmission or transfer case makes a loud audible noise. the truck makes a sudden jerk (when accelerator is applied) all is good during operation. when i stop again the whole process is repeated. maybe the noise is coming from rear end possibly. *jb | |||
| 03/30/2000 | 2 | 07/31/1999 | |
| Without any indication, front end of vehicle locked up, causing consumer to lose control of vehicle. dealer was contacted, and stated that subframe needed to be replaced. *ak *nlm the front differential was torqued sideways and broken apart, causing the frame to have 2 breaks, this caused the front to lock up, also prior to this consumer complained of a delay between the forward and reverse, when a bump was felt when accelerating, consumer also heard a clunk noise, dealer drained and replaced the transfer case fluid twice. the engine sputters in 4 wheel low and there is a whine noise or pulley noise from the engine. the front seat arm rest fell off. the left front daytime lamp was full of water due to the assembly being improperly sealed at the factory. the brakes pulsated and pedal felt soft, dealer stated the right rear caliper was sticking and the front and rear rotors were corroded badly, causing the brake pads to wear. the electric brake was inoperable, dealer installed a new plug, the wiring harness was badly damaged. the power windows were inoperable. the left door creaks due to front door link being loose. consumer was informed that he was supposed to sign a waiver because of the plow being placed onto the extended cab, this was because the installation was not recommended, however the consumer was never informed of this until after the installation and the problems with the vehicle. *slc | |||