Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||||
| 837110A | 08/01/1998 | 609641 | Park/neutral position switch connector cannot be removed. yd | 04/05/2000 | |
| 577126A | 02/01/1997 | 51354 | Transmission fluid leak from pump body (replace bushing). *tw | 12/21/1999 | |
| 667103A | 03/01/1997 | 52584 | Automatic transmission 1-2 and/or 2-3 upshift slip/flare, no 3rd or 4th gear, dtc p1870, launch shudder (revise vcm wiring). *ak | 12/20/1999 | |
| 777153 | 03/01/1997 | 52591 | Chuggle/surge on tcc apply/no dtc's (reflash the powertrain control module). *tw | 12/15/1999 | |
| 677159 | 03/01/1997 | 52590 | Clunk noise on acceleration after a closed throttle coast down (new tcc calibration). *ak | 08/21/1997 | |
| 577126R | 02/01/1997 | 57-71-26 | 51502 | Transmission fluid leak from pump body/replace bushing. *tw | 06/27/1997 |
| POWER TRAIN - AXLE ASSEMBLY - AXLE SHAFT - SEAL | |||||
| 010420005 | 11/01/2001 | 627737 | Information regarding correct vehicle application for eaton. 1990-2002 chevrolet and gmc c-series conventional and t-series tilt cab medium duty models. *yh | 02/15/2002 | |
| POWER TRAIN - CLUTCH ASSEMBLY | |||||
| 990731003A | 10/01/1999 | 990731003 | 6088963 | Some owners may complain that of noise from the clutch housing, clutch may not engage, clutch disc hub cracked / broken. *tt | 01/12/2000 |
| POWER TRAIN - MANUAL TRANSMISSION | |||||
| 98837110 | 05/01/1998 | 601414 | Technicians may experience difficulty in removing the connectors from the park/neutral position switch, usually when trying to remove the switch during transmission service. *yc | 08/04/1998 | |
| 667202B | 03/01/1997 | 66-72-02A | 52588 | Manuel transmission rattle noise at idle (install conventional flywheel). ak | 08/21/1997 |
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||
| 05/01/1996 | |||
| Transmission has hard shift after zero throttle coastdown. acts as though line pressure is latched high. two dealers have been unable to fix even though they are aware of the problem. one dealer told me gm knows of the problem, but is unable or unwilling to fix it. *ak | |||