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Service bulletins for the 2008 Chevrolet Silverado

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.

1645 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
SB-112732012-11-19. Service bulletin. ENGINE. HUMMER/CADILLAC, CHEVROLET, GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE MAY HAVE REDUCED POWER, RUNNING ROUGH, AND POSSIBLE HAVE MALFUNCTION INDICATOR LAMP ON, DUE THROTTLE POSITION SENSOR. MODELS 2008-2010 CADILLAC ESCALADE, ESV, EXT, CHEVROLET TRAILBLAZER, AVALANCHE, EXPRESS, SILVERADO, SUBURBAN, TAHOE, COLORADO, GMC ENVOY, SAVANA, SIERRA, YUKON, YUKON XL, CANYON, HUMMER H2, H3, H3T. 2008-2009 SAAB 9-7X. *PE UPDATED 8/13/13. *PE UPDATED 1/29/2014 *JS
11-06-04-007B2012-05-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: DIAGNOSIS AND REPAIR- MALFUNCTION INDICATOR LAMP ILLUMINATED, REDUCE ENGINE POWER MESSAGE DISPLAYED, DTC P2135 SET. ALSO INCLUDED MODEL SIERRA DENALI YEAR 2010-2011 *JS
RB-120092012-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INCORRECT ENGINE CONTROL MODULE CALIBRATION. GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN 2008 MODEL YEAR VEHICLES EQUIPPED WITH A 4.8L/0.6L ENGINE (LY2/L76). *JS
RB-111672011-08-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. NEW CALIBRATIONS TO THE ECM. *RM
PI-04742011-06-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. GM: AN 'ENGINE POWER IS REDUCED' MESSAGE APPEARS AND THERE IS A STORED TROUBLE CODE. THIS IS CAUSED BY WEAR OF THE INTERNAL FUEL INJECTOR. *RM
PIT-4769B2011-06-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THE AIR BAG LIGHT IS ON WITH A STORED TROUBLE CODE. *RM
PIP-48882011-06-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. GM: INFORMATION ON INSPECTING AND REPLACING TURBOS. *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-3783-C2011-06-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THE ENGINE LIGHT IS ON AND THE VEHICLE LACKS POWER. THERE ARE MULTIPLE POSSIBLE TROUBLE CODES. *RM UPDATED 10/15/14. *PE
PIP-3504C2011-05-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. GM: THERE IS A DIESEL ENGINE HARD START WHEN HOT. STARTS FINE WHEN COLD. THERE WILL BE NO INTERNAL TROUBLE CODES. *RM
PIP-48572011-05-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; FUEL SYSTEM, DIESEL. GM: THERE MAY BE REDUCED POWER AND AN INTERNAL TROUBLE CODE IN HIGH TEMPERATURES OR WHEN NEAR THE TOWING LIMIT. *RM
PIP-48512011-05-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THERE IS AN INTERMITTENT ENGINE LIGHT ON DUE TO FIVE POSSIBLE INTERNAL TROUBLE CODES. THERE MAY ALSO BE AN EXTENDED CRANK AFTER FILLING THE FUEL TANK. *RM UPDATED 5/31/11. *PE UPDATED ON 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB
SB-07-06-03-002C2011-03-28. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; ENGINE AND ENGINE COOLING:ENGINE. CADILLAC/CHEVROLET/GMC: INFORMATION ON INSPECTING TOP POST BATTERY CABLE BOLTS, CLAMPS AND NUTS DURING PRE-DELIVERY INSPECTION (PDI). *PE
PIP-4574M2011-03-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. BUICK/CHEVROLET/GMC/PONTIAC/SAAB: EXCESSIVE OIL CONSUMPTION AND/OR BLUE EXHAUST SMOKE-INVESTIGATION UPDATE. IN MOST CASES DID NOT START UNTIL THE ENGINE ACCUMULATED APPROXIMATELY 30,000 MILES OR MORE. *PE
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
PIP-48222011-03-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM. CHEVROLET/GMC: POSSIBLE ENGINE OVERHEAT OR LOSS OF COOLANT. NORMAL SI DIAGNOSTICS WILL LEAD TO INSPECTING THE WATER PUMP FOR PROPER OPERATION. WHEN WATER PUMP IS REMOVED, BE SURE TO INSPECT THE IMPELLER. *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
PIE-01152011-03-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. GMC/CHEVROLET: ENGINEERING INFORMATION-MALFUNCTION INDICATOR LAMP (MIL). CHECK ENGINE LIGHT ON, CHANGE FUEL FILTER/ENGINE POWER IS REDUCED MESSAGE DISPLAYED ON DIC, DTC P0087 SET. ENGINEERING ATTEMPTING TO DETERMINE ROOT CAUSE OF THE LOW FUEL RAIL PRESSURE CONDITION. *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
SB-02-06-04-03712011-03-04. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING:ENGINE. CHEVROLET/GMC: CHECK ENGINE LIGHT ON, FUEL TANK HARD TO FILL, DTCS P0442, P0446, P0455 OR P0449 SET (REPLACE EVAPORATIVE EMISSION (EVAP) VENT VALVE SOLENOID ASSEMBLY AND ADD/RELOCATE FILETER BOX USING SERVICE KIT). *PE
SB-08-06-04-054A2010-11-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:ENGINE. CHEVROLET/GMC: SNOW OR ICE INGESTION INTO AIR CLEANER ELEMENT, MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, ENGINE POWER IS REDUCED MESSAGE DISPLAYED, DTC P0101 SET (PERFORM REPAIR AS OUTLINED). *PE
PIP-46642010-06-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. GMC/CHEVROLET: DTC P0101 WITH NON GM AIR FILTER. MAY ENCOUNTER CONCERN OF REDUCED POWER AND SES LIGHT ON. DIAGNOSTICS MAY REVEAL MAF (MASS AIR FLOW) SENSOR DTC P0101. IF DIAGNOSTICS WERE INCONCLUSIVE ITS POSSIBLE DTC P0101 IS SETTING DUE TO A NON GM AIR FILTER. NON GM AIR FILTERS HAVE SHOWN A SLIGHTLY HIGHER THAN NORMAL MAF READING. *PE
PIP-46602010-06-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. GMC/CHEVROLET: ENGINE COOLANT SENSOR DTCS P011A, P2184, AND P2185. DEALER MAY ENCOUNTER CONCERN OF SES LIGHT ON OR DTCS P011A, P2184 AND P2185. DIESEL ENGINES HAVE 2 ECT (ENGINE COOLANT TEMPERATURE) SENSORS. *PE

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