Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| POWER TRAIN | |||||
| 990730016A | 10/01/2002 | 990730016B | 10007838 | Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. *tt | 07/12/2004 |
| 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 - 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 - 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 - TRANSFER CASE (4-WHEEL DRIVE) | |||||
| 3424 | 3424A | 10017299 | Electronic transfer case unable to complete shift. *tt | 11/02/2005 | |
| 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 | |
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||
| 01/01/1901 | 1 | ||
| Consumer had to have the transmission in the 2000 gmc envoy rebuilt.*mr the sun gear failed which required that the entire transmission be disassembled to repair. *nm | |||
| 01/03/2001 | 10234 | 9 | 08/09/2000 |
| 10234, door trim comes off; 17660, hinge hood rattles; 26510, idler arm had to be replaced; 44938, pinion seals & power steering seals were leaking; 56785, cd player had to be replaced; 72375, transmission went out; 95819, computer had to be replaced; 106169, right headlamp had to be replaced (for almost $800!!!); and sporadic incidences of different dash lights coming on & staying on. obviously, all of these problems weren't on the date listed below, but that's the date of the first one. | |||
| 1 | 03/23/2000 | ||
| Transmission slips when going into a higher gear, manufacturer has attempted to repair on 5 separate occasions without success, vehicle shudders, hesitates, surges, and bucks. ignition switch failed. *slc | |||
| POWER TRAIN - TRANSFER CASE (4-WHEEL DRIVE) | |||
| 07/17/2003 | 1 | ||
| While traveling 35 mph on the highway and without prior warning 4-wheel drive will automatically go into effect. *ak | |||