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Service bulletins for the 2006 Chevrolet Express

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.

823 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-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-46292009-08-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A. MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. *PE
SB-08-06-04-029B2009-08-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. GENERAL MOTORS: LBZ, LLY, LMM MIL/SES LIGHT N DTC P0087-FUEL RAIL PRESSURE (FRP) TOO LOW, LACK OF PERFORMANCE, NO POWER, ENGINE RUNS ROUGH, NO START (DIAGNOSE FUEL SYSTEM COMPONENTS). *PE UPDATED 3/1/10. *PE
TB-09-06-04-0222009-08-04. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:WIRING. GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). *PE UPDATED 11/23/09. *PE
PIP33432008-04-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES. *NJ
0606040662007-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LBZ, LLY, ENGINE WITH ROUGH IDLE, POOR PERFORMANCE, BLACK/WHITE EXHAUST SMOKE, MIL/SES LIGHT ON AND ONE OR MORE OF THE FOLLOWING DTC'S P003A, P060B, P0230, P0403, P0401, P0606, P2146, P2149, P2152, P2155. (REPROGRAM ECM AND REPLACE EGR MOTOR OR EGR VALVE. *KB UPDATED 04-27-07. *KB UPDATED. *PE
0606040422007-01-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LR4, LY2, L33, LH6, LM7, L59, LC9, LMG, LY5, LS2, LQ9, LQ4, L76, LY6 THROTTLE ACTUATOR CONTROL (TAC). MODULE CODES, MIL/SES DTC'S P2108, P1516, U0107, REDUCED ENGINE POWER. *KB
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
0503080192007-01-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC INFORMATION FOR NOISE IN STEERING AND INSPECTION OF IDLER ARM BRACKET. *KB UPDATED ON 09/19/07. *NJ
34012006-07-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. TURBOCHARGER OIL FEED LINE KINKED OR RESTRICTED. *TT
065292006-07-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. WATER IN FUEL LIGHT INOPERATIVE BECAUSE OF AN ERROR IN THE ENGINE CONTROL MODULE (ECM) CALIBRATION. *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
0606010032006-03-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON LONGER MAIN BEARING CAP BOLTS REQUIRED FOR CERTAIN 2001-2006 LB7, LLY, LBZ DURAMAX DIESEL ENGINES. *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
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
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
0306040362005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON SERVICING FUEL INJECTORS TO AVOID CONTAMINATION. *EH UPDATED 03-19-07. *KB
0406040012005-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VARIOUS INTERMITTENT DRIVEABILITY CONDITIONS - HESITATION, LACK OF POWER, ETC. *TT
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.