Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||||
| 030730056 | 11/01/2003 | 10005566 | 4l60-e automatic transmission oil pump first and second design identification. *tt | 03/04/2004 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - COOLING UNIT AND LINES | |||||
| PIT-4722 | 10/01/2008 | 10026804 | Gmc: fluid leak from transmission oil cooler lines due to corrosion. all 2000-2006 light duty trucks equipped with the light duty automatic transmission. *pe | 12/18/2008 | |
| POWER TRAIN - DRIVELINE | |||||
| 030419003 | 08/01/2003 | 10012557 | Fluid leak from front of vehicle add teflon tape to front axle vent plug threads. *eh | 03/07/2005 | |
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||
| 11/15/2008 | 70000 | 1 | |
| We own a 2002 denali, that we bought used. the transmission went out around nov. 2008 (appr. 120,000 miles) we had the transmission replaced but the transmission went out again shortly thereafter (around 150,000). through civil litigation, we found out that the transmission had went out previously, at around 70,000 miles. we are wondering if this is a common problem with denalis and if any compensation is available. *tr | |||
| 09/11/2006 | 77600 | 1 | 12/01/2001 |
| Dt*: the contact stated while driving 10 mph on a city street, a clunking sound was heard followed by the transmission failing to shift gears upon acceleration. the vehicle was towed to a dealer who determined the automatic transmission gear teeth were fractured and worn. the dealer determined the gear teeth needed to be replaced. the manufacturer was notified. updated 10/6/2006 - the stabilizer became worn. *nm | |||
| POWER TRAIN - AUTOMATIC TRANSMISSION - COOLING UNIT AND LINES | |||
| 06/21/2006 | 74030 | 1 | 11/06/2001 |
| Failure of transmission cooler, which is inside the radiator, caused transmission fluid and anti-freeze to mix and flow through engine and transmission. the transmission was ruined as a result. the repair involved replacing the radiator, all engine hoses, rebuilding the transmission, flushing engine and replacing fluids at a total cost of $3047. this vehicle has had exceptional care and all maintenance was performed on schedule. the vehicle, a suv was never used off road or to pull a trailer, and has 74000 miles. there was no way to prevent the problem as the cooler in inside the radiator and cannot be serviced. the result of this is early failure of the transmission and the need to replace several engine components that were impacted. fortunately this was detected before the transmission failed and caused a breakdown or accident. other incidences of this same problem were noted upon internet research. *jb | |||
| POWER TRAIN - DRIVELINE | |||
| 10/30/2002 | 1 | 12/01/2001 | |
| Front axle, wire harness burnt, wheel fender burnt. | |||
| POWER TRAIN - DRIVELINE - UNIVERSAL JOINT | |||
| 01/07/2005 | 32000 | 100 | 09/29/2002 |
| At 34,000 miles it started with a squeaking noise under the truck when moving. dealership could not find a problem. noise continued. individual found that the plastic parts used in the universal joint were broken up inside. replacement parts consisted of the same plastic parts which are in need of replacement now at 62,000 miles. service departments are not fully knowledgeable of the denahli system or its parts and spend more time ordering the wrong parts. also the engine has cut out on me while driving. luckly i was traveling at less than 15 miles an hour. on top of everything else today the muffler has a hole, the size of a nickle, rusted out of it and condensation water shooting everywhere. this truck has been nothing but trouble. high priced truck, low quality parts. repairs are in the process. *ak | |||