Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
POWER TRAIN
00773100171904l60e, 4l65e replacement valve body gaskets does not seem to fit. *tt10/27/2005
305401/01/200410009665Replacement flexplate may have larger bolt holes than the original flexplate. *tt10/14/2004
30023002D100088024l60e/4l65e intermittent neutral condition while accelerating from a stop or while driving. *tt 1999-2006 gm cars, light duty trucks and utilities. *tt08/23/2004
990730016A10/01/2002990730016B10007838Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. *tt07/12/2004
0208601/01/2004100077824l60e, 4l65e intermittent neutral from a stop or steady speed. *tt07/12/2004
0159901/01/2004100072374l60e, 4l65e forward and low reverse waved steel clutch plate appearance change. *tt06/04/2004
00822B01/01/200400822C10005474No 2nd, no 4th and no reverse. to include 2004 light duty automobiles and trucks equipped with 4l60e or 4l65e automatic transmission. *tt02/27/2004
0141011/18/200310004214Poor performance from a stop in 2wd, auto or 4wd hi. 2003, 2003 cadillac ext also included. *tt11/21/2003
020421005A02/01/200302042100510001110Slips in 4-wheel drive, noise, vibration, leaks, hot odor. *tt04/15/2003
02042100506/01/2002634905Some 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. *tt10/10/2002
POWER TRAIN - AUTOMATIC TRANSMISSION
03073005611/01/2003100055664l60-e automatic transmission oil pump first and second design identification. *tt03/04/2004
010730038B10/01/2005010730038C10005162The 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. *tt02/09/2004
01073003812/01/2001010730038D628934Some 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. *tt03/25/2002
POWER TRAIN - AXLE ASSEMBLY
40304030A10021676New design front axle side bearing adjusters. *kb06/15/2007
336410014953Rear axle retainer button breakage. *eh05/12/2005
30013001A10008872The 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 utilitie08/25/2004
POWER TRAIN - DRIVELINE
33003300A100135724wd models with noise, vibration on dry pavement. *eh04/21/2005
POWER TRAIN - MANUAL TRANSMISSION
01073003611/01/2001627912Service engine soon lamp illuminated, incorrect transmission shifts, poor performance of engine, transmission slipping. *yh02/26/2002
POWER TRAIN - TRANSFER CASE (4-WHEEL DRIVE)
34243424A10017299Electronic transfer case unable to complete shift. *tt11/02/2005
338910016707Four 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 dama09/28/2005
352610016558Intermittent service 4wd light comes on with diagnostic trouble code (dtc) c0306 or c0308 stored in tccm. *tt09/22/2005
3349100148094wd inoperative and diagnostic trouble code (dtc) u1026 atc fuse open. *tt05/10/2005
3012B3012A10008806The 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 approxi08/23/2004
0140911/18/200310004212The nvg 136 all wheel drive (awd) transfer case and the 236 and 246 nvg selectable transfer case shudder on turns. *tt11/21/2003
02042100404/01/2002634899Some customers may comment on the service 4wd indicator illuminating with diagnostic trouble code b2725 set. *tt10/10/2002

Consumer Complaints


Fail datemilesoccurencesPurchase date
POWER TRAIN
103/30/2000
 While driving the gear shift became stuck due to snow and the consumer was unable to down shift . *nlm
POWER TRAIN - AUTOMATIC TRANSMISSION
07/12/2006154000111/01/2003
 Dt*: the contact stated that the vehicle was unable to shift into reverse. the transmission also slipped between neutral and drive. the dealer determined that the sun shell of the transmission was defective.
08/31/200353540111/20/2001
 Although the dash says apply brake to shift from park, my 3 year old son was able to shift out of park causing the vehicle to start rolling backward down a hill. what i discovered was that he had turned the key halfway between the off position and the accessory position and in this intermediate position the vehicle freely shifts out of park without pressing the brake at all. i contacted the dealer and he indicated it is the brake shift lockout switch that controls that safety feature. clearly if my 3 year old son can get around that safety feature, it is not a safety feature at all. *ak
 While driving over a period of time, and when making a stop , vehicle slams into gear very harshly. cause unknown. please give any further details.*ak
06/01/2000204/01/2000
 I have had this vehicle back a three different dealerships. two of them informed me that these conditions are normal for this vehicle and there is nothing that the can do. wallace lundgren at least kept the vehicle for a week and apparently tried to duplicate the symptoms. these problems are occuring intermittantly and me being an automotive technician know how hard intermitant problems are but because of the safety of my family i believe that a vehicle that intermitantly has no brakes should be taken seriously. also i would like to note that lundgren chevrolet gave me a 2000 suburban as aloner and guess what no brakes intermittantly. also my service manager fred scharnberg has had the same problems with his new 2000 suburban. i believe g.m is about to have a very big problem when these vehicles start killing people because the can't stop. *ak
POWER TRAIN - AUTOMATIC TRANSMISSION - LEVER AND LINKAGE - COLUMN SHIFT
01/10/2002708/01/2000
 I have had the ps pump, steering gear box, fuel pump, 4wd switch, and all rotors/ brakes replaced. my sunroof rubber seal had to be replaced. all my work has been done by a gm dealership from north carolina, mo & wa. my vehicle has never been off road, it is more for looks. but i am not pleased with this $38,000 maintenance trap. i have all documented work and services.*ak
POWER TRAIN - DRIVELINE - DIFFERENTIAL UNIT
07/28/2004695701
 I have enclosed a letter with fax describing events. thank you. no component mentioned in summary. *ak the consumer wrote a letter on behalf of her sister who is the owner of the vehicle in question. the owner took the vehicle to a repair shop where the mechanic stated he had never seen a rear differential in that state and found it to be rare and very unusual for a vehicle of that age/mileage. he advised the owner to check to see if there was a recall. upon contacting gm, the consumer learned there was no recall. gm instructed the owner to have the vehicle towed to another dealership to have gm look at the vehicle. the second mechanic agreed this was unusual and that gm should cover at least 75 percent of the repair. by this time, the owner had the necessary repair completed. *ph
08/02/20000
 While driving could smell fuel inside of vehicle. consumer has to roll down the windows, but smell will still be there. no leak had been found. however, technician said that cause of the smell had been a burning on differential.*ak
POWER TRAIN - MANUAL TRANSMISSION
 Consumer called complaining about the transmission. consumer also stated that the transmission burned out and had to be replace. dealer was contacted and had stated that it will be cheaper to replaced it than to fix it . mr
POWER TRAIN - TRANSFER CASE (4-WHEEL DRIVE)
01/17/200450382105/01/2003
 I own a 2000 chevy tahoe. it will not allow me to shift out of 4wd. i have researched similar complaints on the internet and have found many. there seems to be a correlation between the cold weather and the proper operation of that function. in a cold weather state such as michigan, this could be a problem all winter long. as a recurring condition it can be expensive to repair. just to diagnose the problem is at least $100 at most dealerships. *cb