Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING | |||||
| 040603001 | 02/01/2004 | 10012670 | Incorrect amp code generator. *eh | 03/10/2005 | |
| 3121 | 01/01/2004 | 10010056 | Exhaust vibration resonance or moan. (2004-2005 gmc denali) *sc | 11/03/2004 | |
| ENGINE AND ENGINE COOLING - COOLING SYSTEM | |||||
| 3857 | 10019211 | Supplement to bulletin 05-01-37-002a, poor rear heat performance . *ak | 02/21/2006 | ||
| ENGINE AND ENGINE COOLING - ENGINE | |||||
| 030604030 | 03/01/2007 | 030604030C | 10002166 | Multiple driveability symptoms of long or hard starts, chuggle, rough idle and light or intermittent misfire due to clogged fuel injectors. *tt | 08/14/2003 |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE | |||||
| 020605005A | 12/01/2002 | 020605005 | 10000726 | Exhaust / muffler heat shield rattle, popping noise under vehicle. *tt | 03/27/2003 |
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - BELTS AND ASSOCIATED PULLEYS | |||
| 08/04/2008 | 30000 | 1 | |
| Faulty pully assembly on 2003 gmc vechicles their is a service bulletin out about the problem in 2004. i learned of the report 8/7/08.after replacing 5 belts and tensioners. after compressor breaks apart while under car trying to fine this horrible noise upon acceleration.while under warranty i carried the car in 4 times for noises on the passenger side front never to be resolved ,now it is so bad it is obvious where the problem is. their is no recall yet but should be,the mech. says they replace 2 compressors a week. someones safety is going to be challenged be for thier is a recall. this is more dangerous than a seatbelt latch or speed control not to mention costly. please contact me for a full story. *tr | |||
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE | |||
| 02/09/2005 | 35495 | 100 | 12/28/2004 |
| When vehicle is driven then turned off the exhaust system, while cooling down, cracks and pops. volume is extremely loud. more so than any vehicle i have heard in the past. this is worse in cold weather than warm.*ak | |||