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Service bulletins for the 2003 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.

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

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By component

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Bulletins, newest first
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
33642005-05-12. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. REAR AXLE RETAINER BUTTON BREAKAGE. *EH
0203070022005-05-12. Service bulletin. SUSPENSION. REVISED FRONT CASTER AND CAMBER ADJUSTMENT PROCEDURE. ORIGINAL NOT YET RECEIVED. *TT
34992005-05-11. Service bulletin. STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT. STEERING IDLER ARM INSPECTION PROCEDURE. *TT
34872005-05-11. Service bulletin. STRUCTURE:BODY:DOOR. THE SLIDING DOOR IS HARD TO OPEN OR WILL NOT OPEN. *TT
34912005-05-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. ANTI-LOCK BRAKING SYSTEM (ABS) TELLTALE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE C0550. *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
031020052005-05-10. Service bulletin. STEERING. STEERING GEAR WHISTLE NOISE ON TURNS. *EH
070120042005-04-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. OIL LIFE SYSTEM RESET PROCEDURES-TRUCKS. BUICK TERAZZA 2005, GMC SIERRA DENALI 2002-2003, GMC B7 CHASSIS MEDIUM DUTY 2003-2005 AND GMC 560 C-SERIES 2003-2005 *SC
33202005-04-21. Service bulletin. SUSPENSION:FRONT. CLUNK POP NOISE IN THE FRONT SUSPENSION OVER BUMPS. *TT
32762005-04-20. Service bulletin. POWER TRAIN. 4L80E OUTPUT CARRIER THRUST WASHER CHANGES. *TT
33752005-04-20. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK FROM THE LOWER RADIATOR HOSE. *TT
0408460042005-04-19. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. ONSTAR SYSTEM INOPERATIVE ONSTAR SYSTEM STATUS LIGHT IS RED RADIO LOCKED IN PHONE MODE OR DTC B1000. *EH
112120022005-04-12. Service bulletin. SUSPENSION. RIGHT HAND TIE ROD END MAY NOT BE TORQUED TO SPECIFICATION. *EH
100820022005-04-08. Service bulletin. EQUIPMENT. THIS MESSAGE IS TO PROVIDE DEALERS WITH AN AWARENESS OF TWO NEW COMMANDS AVAILABLE VIA VOICE RECOGNITION IN THE ONSTAR GENERATION FIVE EQUIPPED VEHICLES. THE TWO COMMANDS ARE ONSTAR AND EMERGENCY. *TT
0406030022005-03-11. Service bulletin. ENGINE AND ENGINE COOLING. DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH
0408450042005-03-09. Service bulletin. ELECTRICAL SYSTEM. VARIOUS ELECTRICAL CONCERNS AIR BAG LIGHT ON ANTILOCK BRAKE LIGHT ON SECURITY LIGHT ON CHECK ENGINE LIGHT ON DTCS SET GAUGES INOPERATIVE. *EH
0408430042005-03-09. Service bulletin. STRUCTURE:BODY; VISIBILITY:WINDSHIELD WIPER/WASHER. WINDSHIELD WIPERS WON'T SHUT OFF. *EH
0406040282005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. VARIOUS DRIVEABILITY CONCERNS CHECK ENGINE LIGHT ON DIAGNOSTIC TROUBLE CODE SET. *EH
0303100022005-02-16. Service bulletin. TIRES. USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY. THIS SERVICE BULLETIN REPLACES 030310002. *EH
0406040502005-02-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CNG FUEL LEVEL READS HIGHER THAN ACTUAL, INACCURATE FUEL LEVEL READING, MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED. *TT
0406040492005-02-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. FALSE START WITH MALFUNCTION INDICATOR LAMP LIGHT ON, P0191. *TT
32432005-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION. *EH
32322005-01-28. Service bulletin. ENGINE AND ENGINE COOLING. MISFIRE AT IDLE COLD AND POSSIBLE P0171 AND OR P0174. *EH
0406040572005-01-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. START/STALL OR POOR DRIVEABILITY AFTER RESTART, LOSS OF GASOLINE OR CNG HOURS/MILES DATA WITH BI-FUEL VEHICLE. *TT

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