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Service bulletins for the 2008 Pontiac G8

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

949 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
PIP-4158F2013-07-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERAL MOTORS: LOW ENGINE OIL PRESSURE, NO OIL PRESSURE, AND/OR ENGINE NOISE. THIS COULD BE THE RESULT OF A STICKING OIL PUMP PRESSURE RELIEF VALVE. *KB
PIP-4750-D2012-04-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. CHEVROLET/PONTIAC: WHILE ENGINE IS RUNNING, THE BELT SQUEAKS AND CRANKSHAFT BALANCER APPEARS WOBBLY OR OUT OF BALANCE. *PE
PI-0090-B2011-06-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/SATURN: THERE MAY BE AN INTERMITTENT ENGINE HESITATION OR FLUTTER. THE CAMSHAFT SENSOR TERMINALS LIKELY HAVE POOR CONNECTIONS. *RM UPDATED 8/1/11. *PE UPDATED 4/16/12. *PE
08-06-01-011H2011-06-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: CHECK ENGINE LIGHT IS ON WITH MULTIPLE TROUBLE CODES PRESENT. *RM
PIP-4568K2011-06-08. Service bulletin. ENGINE AND ENGINE COOLING. GM: SERVICE ENGINE SOON LIGHT IS ON WITH A MISFIRE AND A POSSIBLE TICK NOISE. *RM
PIP-4138K2011-06-08. Service bulletin. ENGINE AND ENGINE COOLING. GM: THE SERVICE ENGINE SOON LIGHT IS ON, THERE IS ALSO A MISFIRE OR ENGINE NOISE. THERE ARE MULTIPLE POSSIBLE CAUSES. *RM
PIP-4492P2011-03-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). 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 3/21/11. *PE UPDATED 5/9/11. *PE UPDATED 5/25/11. *PE UPDATED 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB UPDATED 6/27/11. *PE
PIT-50282011-03-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PONTIAC/SATURN/BUICK/GMC/CHEVROLET/CADILLAC/HUMMER: VEHICLE START AND STALLS AFTER THEFT DETERRENT MODULE REPLACEMENT. MODEL YEARS 2006-2011. DOES NOT APPLY TO VEHICLES WITH KEYLESS ACCESS SYSTEM. *PE
SB-10-06-01-0082011-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CADILLAC/CHEVROLET/GMC/PONTIAC: ENGINE OIL CONSUMPTION ON ALUMINUM BLOCK ENGINES WITH ACTIVE FUEL MANAGEMENT (AFM) (INSTALL AFM OIL DEFLECTOR AND CLEAN CARBON FROM CYLINDER). CAUSED BY AN UNCOVERED AFM VALVE THAT SPRAYS OIL ON THE BOTTOM OF THE CYLINDERS WHEN THE VEHICLE IS IN FOUR CYLINDER MODE. *PE UPDATED 5/9/11. *PE
34232006-12-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 3.6 LY7 WITH CAM ACTUATOR DTC. DTC CODES, P0016, P0017, P0018, P0019, P0008, OR P0009. *KB THE RELUCTOR FOR THE CRANKSHAFT SENSOR PRESSED ON THE CRANKSHAFT MAY HAVE MOVED. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.