Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING - ENGINE | |||||
| 121202 | 12/12/2002 | 10002749 | Engine backfires with sufficient force to damage the engine air intake system and the air cleaner filter element. certain chevrolet and gmc medium duty trucks and school bus chassis. *tt | 09/12/2003 | |
| 020604052 | 10/01/2002 | 10000167 | Engine stall, no start, hard start condition. *tt | 02/13/2003 | |
| 876126 | 08/01/1998 | 609579 | Oil weep or leak at gasket between upper and lower intake manifold. yd | 04/04/2000 | |
| 866503A | 09/01/1998 | 86-65-03 | 603825 | Subject regarding obd ii diagnostic trouble code (dtc) p1404 (reflash vcm). *yc | 03/08/1999 |
| 876525 | 09/01/1998 | 602824 | Comments of an extended engine cranking time during a hot restart in high ambient temperatures of 38 c (100 f). *yc | 01/13/1999 | |
| ENGINE AND ENGINE COOLING - ENGINE - GASOLINE | |||||
| 010601029A | 06/01/2002 | 010601029 | 634831 | Subject regarding higher than expected engine oil consumption. *tt | 10/09/2002 |
| 99066D | 12/01/2001 | 99066C | 628925 | Some owners may experience a service engine soon light, misfire, rough idle orhard start due to a deposit build-up on the sequential central port fuel inujector (scpi) poppet valve(s). *tt | 03/25/2002 |
| 000601023A | 12/01/2001 | 000601023 | 628938 | Information used when diagnosing noise conditions such as engine rattle noise, spark knock at 2000 - 2500 rpm range, under a moderate to heavy load with a warmed up engine. *tt | 03/25/2002 |
| 000604003A | 12/01/2001 | 000604003 | 628905 | Some customers may comment on rough idle after start up, especially after setting overnight. *tt | 03/22/2002 |
| 010601029 | 12/01/2001 | 628898 | Some customers may comment on higher than expected engine oil consumption. *tt | 03/21/2002 | |
| 010601028 | 12/01/2001 | 628896 | Some vehicles may exhibit an engine knock noise on cold start. *tt | 03/21/2002 | |
| 010601019 | 08/01/2001 | 624078 | Some customers may comment on excessive engine vibration at idle on various 1998 - 2001 medium duty models including chevrolet and gmc f models. *tt | 11/01/2001 | |
| 000604045 | 11/01/2000 | 616378 | Experiencing an engine ticking sound coming from the engine compartment while the vehicles is being driven. *tt | 02/23/2001 | |
| 000604014 | 04/01/2000 | 6091427 | Some customers may comment on hard, no, or slow start, backfire or kickback during crank / start, grinding or unusual noises during crank, diagnostic trouble code p0338. *tt | 10/11/2000 | |
| 99066B | 05/01/2000 | 99066A | 613602 | Some owners may experience a service engine soon light, misfire, rough idle or hard start. **mr | 07/25/2000 |
| 000604002 | 01/01/2000 | 609709 | Subject regarding a hard, no start or excessive gray or white smoke condition on start up after recent glow plug replacement. *tt | 04/06/2000 | |
| 990604016 | 05/01/1999 | 606549 | Subject regarding engine surge while trailering. *tt | 08/27/1999 | |
| 990601003 | 04/01/1999 | 605961 | Customer may comment on engine knocking noise. *tt | 08/04/1999 | |
| 98876304 | 04/01/1998 | 601127 | Complaints that their vehicle is difficult to start or will not start. *yc | 07/01/1998 | |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM | |||||
| 866503 | 07/01/1998 | 615078 | Some vehicles may set a false obd ii with diagnostic trouble code p1404. *tt | 12/27/2000 | |