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Service bulletins for the 2006 GMC Sierra

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.

706 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
0306930012007-01-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC INFORMATION ON TURBOCHARGER MALFUNCTION DUE TO LACK OF ENGINE OIL FOR LBZ, LB7, AND LLY DURAMAX DIESEL ENGINE. *KB
34012006-07-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. TURBOCHARGER OIL FEED LINE KINKED OR RESTRICTED. *TT
065222006-05-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE GLOW PLUG SYSTEM CONCERN - REPROGRAM GLOW PLUG CONTROL MODULE. *TT
0606010062006-05-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. INFORMATION ON 2006 6.6 LBZ LLY DURAMAX DIESEL ENGINE CYLINDER HEAD GASKET CHANGE - NEW HEAD GASKET AND TORQUE SPECIFICATION. *TT
37442006-05-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DURAMAX HEAD GASKET AND TORQUE SPECIFICATION CHANGE. *TT
37222006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. DIESEL ENGINE EXTENDED IDLE SMOKE. *TT
35862006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. DIESEL ENGINE GLOW PLUG TROUBLE CODES. *TT UPDATED 3/15/10. *PE
36502006-01-26. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OVERHEATING NO COOLANT FLOW. *TT
0506010342006-01-12. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OIL LEAK AT REAR COVER ASSEMBLY AREA. *TT
36472006-01-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. DIESEL ENGINE VIBRATION FELT AT ALL RPM. *TT
36322006-01-06. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE VME - ENGINEERING IS INVESTIGATING GLOW PLUG FAILURES IN NORTHERN INDIANA, NORTHERN OHIO, AND SOUTHEAST MICHIGAN. *TT
0506010292005-11-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON 4.3L ENGINE FRONT CRANKSHAFT PULLEY APPEARING TO BE OUT OF ROUND (NORMAL CONDITION). *TT
33172005-10-28. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE. HARD START / NO START OUTSIDE TEMPERATURES BELOW FREEZING. *TT UPDATED 7/13/09. *PE
35042005-09-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. HARD START HOT ONLY AFTER THE ENGINE HAS REACHED OPERATING TEMPERATURE AND THEN SHUT OFF. *TT
0306040362005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON SERVICING FUEL INJECTORS TO AVOID CONTAMINATION. *EH UPDATED 03-19-07. *KB
3068B2005-01-27. Service bulletin. ENGINE AND ENGINE COOLING. TURBO AIR CHARGE COOLER HOSES OIL SEEPAGE OR BLOWS OFF ON ACCELERATION. THIS ALSO INCLUDES 2004-2005 LLY C2 C3 C4 C5 K2 K3 D4 D5 E4 E5 MODELS. *EH
0406040012005-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VARIOUS INTERMITTENT DRIVEABILITY CONDITIONS - HESITATION, LACK OF POWER, ETC. *TT
31872004-12-15. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE LOW POWER WILL NOT GO OVER 2300 RPMS. *EH UPDATED 6/11/10. *PE
30682004-10-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. OIL SEEPAGE FROM TURBO AIR CHARGE COOLER HOSES OR HOSE BLOWING OFF DURING ACCELERATION. POSSIBLE DIAGNOSTIC TROUBLE CODE P0299. *TT UPDATED 04-24-07. *KB
030693001A2003-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. DIAGNOSTIC INFORMATION FOR TURBO FAILURE DUE TO LACK OF OIL OR REPEAT TURBO FAILURES. *TT

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