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Service bulletins for the 2003 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.

938 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
3048A2005-10-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUPPLEMENT TO 03-06-01-024B 4.3L LU3 L35 TIMING CHAIN TENSIONER. RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. *TT
3225A2005-10-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 01-05 6.6 LLY LB7 DURAMAX DIESEL ENGINE AIR FILTER USAGE. *SC
35562005-10-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HARD START OR EXTENDED CRANK TIME ON INITIAL COLD START WHEN USING ALCOHOL BLENDED FUELS. *SC
7022005-09-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DURAMAX AIR FILTER. GM TECH LINKS. *TT
0506040252005-05-14. Service bulletin. ENGINE AND ENGINE COOLING. REVISED DIAGNOSTIC TROUBLE CODE (DTC) U2104. *TT
0506040242005-05-14. Service bulletin. ENGINE AND ENGINE COOLING. REVISED DIAGNOSTIC TROUBLE CODE (DTC) P1172 AND DTC P2636. *TT
0506040212005-05-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. REVISED INSPECTION/MAINTENANCE (I/M) EVAPORATIVE EMISSION (EVAP) SYSTEM SET PROCEDURE. *TT
0406040882005-05-13. Service bulletin. ENGINE AND ENGINE COOLING. REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE. *TT
33802005-05-12. Service bulletin. ENGINE AND ENGINE COOLING. OIL LEAK FROM THE PCV VENT TUBE. *TT
33752005-05-12. Service bulletin. ENGINE AND ENGINE COOLING. ROUGH IDLE, SERVICE ENGINE SOON (SES)LIGHT, UNSTABLE IDLE, HESITATION, SURGE OR STALLING. WITH DIAGNOSTIC TROUBLE CODES P0300, P0335 OR P0336. *TT
32322005-05-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT
32992005-04-21. Service bulletin. ENGINE AND ENGINE COOLING. DIESEL OIL LEAK FROM PCV VENT TUBE. *EH
32922005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. DIESEL ENGINE BALANCE RATES ALL SHOWING ZERO. *EH
32822005-04-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OVERHEAT ON VEHICLES EQUIPPED WITH RPO VYU SNOWPLOW PREP PACKAGE. *TT
0500900012005-04-19. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON THE PROPER AIR FILTER FOR THE DURAMAX DIESEL. *EH
110620032005-04-11. Service bulletin. ENGINE AND ENGINE COOLING. AIRFLOW SENSOR PROBLEM. *EH
020601023C2005-03-14. Service bulletin. ENGINE AND ENGINE COOLING. OIL LEAK AT COOLER TO ENGINE BLOCK MATING SURFACE. *EH
0406040702005-03-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON THE REVISED FUEL FILTER FOR THE 6.6L DURAMAX DIESEL. *TT
0406030022005-03-11. Service bulletin. ENGINE AND ENGINE COOLING. DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH
0406030012005-03-10. Service bulletin. ENGINE AND ENGINE COOLING. INCORRECT AMP CODE GENERATOR. *EH
040604007A2005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE. THIS SERVICE BULLETIN REPLACES 040604007. *EH
0306040372005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON LIGHT ON WITH DIAGNOSTIC TROUBLE CODE P0446 SET REPLACE CANISTER. *EH
0306040362005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON SERVICING FUEL INJECTORS TO AVOID CONTAMINATION. *EH UPDATED 03-19-07. *KB
0306050072005-03-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXHAUST RATTLE NOISE OR VIBRATION. *TT
0406040402005-02-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. IDLE INSTABILITY, LOW OR ROUGH IDLE WITH ELECTRONIC THROTTLE CONTROL. *TT

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