Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING | |||||
| PIP-4138K | 01/01/2011 | 10037933 | Ready | 06/08/2011 | |
| PIP-4138K | 01/01/2011 | 10037933 | Gm: the service engine soon light is on, there is also a misfire or engine noise. there are multiple possible causes. *rm | 06/08/2011 | |
| 050601034 | 11/01/2005 | 10018733 | Engine oil leak at rear cover assembly area. *tt | 01/12/2006 | |
| ENGINE AND ENGINE COOLING - ENGINE | |||||
| PIP-4492P | 09/01/2010 | PIP-4492Q | 10036464 | Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe updated 3/21/ | 03/16/2011 |
| PIP-4492P | 08/01/2010 | 10036464 | Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe | 03/16/2011 | |
| 060602004 | 03/01/2006 | 10019840 | Engine overheating, cooling fan inoperative. *tt | 05/05/2006 | |
| 050601014 | 05/01/2005 | 10017409 | Oil leak under extreme cold temperatures (-34 degrees c) (-30 degrees f) or colder). *tt | 11/07/2005 | |
| 040601031 | 09/01/2005 | 040601031A | 10012709 | Serpentine belt chirp and/or squeak noise during hard acceleration or wide open throttle (wot) while upshifting or downshifting (no fix at this time). *tt | 03/11/2005 |
| 040601025 | 03/01/2005 | 040601025A | 10011204 | Exchange program for 2005 model year engines. *tt update. *tt | 01/10/2005 |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CRANKCASE (PCV) | |||||
| PIP-4492P | 08/01/2010 | 10036464 | Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe | 03/16/2011 | |
| PIP-4492P | 09/01/2010 | PIP-4492Q | 10036464 | Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe updated 3/21/ | 03/16/2011 |