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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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Bulletins, newest first
030601024A2003-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. RATTLE NOISE IN ENGINE. *TT
0302320032003-12-01. Service bulletin. STEERING. STEERING NOISE WHEN TURNING LEFT. *TT UPDATED 3/4/11. *PE UPDATED ON 6/30/2011. *KB
0301380162003-12-01. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. POOR AIR CONDITIONING (A/C) PERFORMANCE - A/C WILL NOT BLOW COLD ENOUGH. *TT
013252003-11-24. Service bulletin. STEERING. STEERING SQUAWK NOISE ON LEFT HAND TURNS. *TT
01275C2003-11-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME OWNERS OF 03 G-VANS OR 04 C/K TRUCKS DRIVING AT HIGH ALTITUDE WITH WARM AMBIENT TEMPERATURES MAY COMPLAIN OF A STALL AND OR LACK OF POWER OR RUNNING ROUGH CONDITION UNTIL THE VEHICLE COOLS DOWN. *TT
01368A2003-11-20. Service bulletin. ENGINE AND ENGINE COOLING. COOLANT LOSS (INTO THE CRANKCASE). *TT
01322A2003-11-20. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE. ELECTRONIC BRAKE CONTROL MODULE PART RESTRICTION. SERVICE VME. *TT *MJ
013422003-11-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.3L LU3 ENGINE HOT SOAK HESITATION LOW POWER. *TT
013402003-11-19. Service bulletin. POWER TRAIN. SEIZED 2 - PIECE PROP AND CENTER SUPPORT BEARING PULLED OUT. *TT
01086A2003-11-18. Service bulletin. ELECTRICAL SYSTEM. DEALERS MAY COMMENT THAT THE ODOMETER HAS RESET TO 0 AFTER THE BATTERY HAS BEEN DISCONNECTED. *TT
0811032003-11-05. Service bulletin. CHILD SEAT. THIS VME STATES THAT GM HAS DECIDED THAT CERTAIN VEHICLES DO NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD 225 IN BOTH US AND CANADA BECAUSE THE OWNERS MANUAL DOES NOT INCLUDE THE LOCATION SYMBOLS FOR THE LOWER UNIVERSAL ANCHORAGE SYSTEM AND EXPLANATION OF THE MEANING OF THE SYMBOLS. RECALL 03039 FOR CHILD SEAT ANCHORAGE SYSTEM. *TT
0616032003-10-29. Service bulletin. EXTERIOR LIGHTING. GM WILL BE ANNOUNCING A SAFETY RECALL REGARDING UNSEALED REAR LICENSE PLATE LAMP SOCKETS THAT MAY CORRODE DUE TO WATER AND CONTAMINATES ENTERING THE REAR LICENSE PLATE LAMP ASSEMBLY. *TT
0527032003-10-28. Service bulletin. SEAT BELTS:FRONT:BUCKLE ASSEMBLY. DURING A VEHICLE CRASH OF SUFFICIENT SEVERITY TO DEPLOY THE SAFETY BELT RETENTIONER, THE FRONT SAFETY BELT BUCKLES IN SOME VEHICLES MAY NOT RELEASE AFTER THE VEHICLE CRASH OR ALTERNATELY MAY EJECT THE FRONT SAFETY BELT LATCHES DURING THE VEHICLE CRASH RESULTING IN INCREASED RISK OF PERSONAL INJURY. NEW PRODUCT FIELD ACTION NUMBER 03007, FRONT SAFETY BELT BUCKLES. *TT
020846010E2003-10-03. Service bulletin. UNKNOWN OR OTHER. PROGRAMMING ONSTAR MODULE FOR CANADIAN FRENCH VOICE RECOGNITION. *TT UPDATE. *TT UPDATED *EH
0309400052003-10-02. Service bulletin. SEAT BELTS:FRONT. NEW FRONT SEAT BELT DESIGN. *TT
0306040332003-09-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED DIAGNOSTIC TROUBLE CODE P0336. *TT UPDATE. TO INCLUDE 2004 ISUZU NQR COMMERCIAL MODELS. *TT
0301380082003-09-27. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. REVISED DEFROSTER ACTUATOR REPLACEMENT PROCEDURE. *TT
010846002C2003-09-26. Service bulletin. EQUIPMENT. PROGRAMMING OF REPLACEMENT ONSTAR VEHICLE COMMUNICATION AND INTERFACE MODULES (VCIM). *TT
020592003-09-13. Service bulletin. ELECTRICAL SYSTEM:IGNITION. WRONG SPARK PLUGS. *TT
020632003-09-08. Service bulletin. STEERING. GENERAL MOTORS HAS DECIDED THAT A DEFECT THAT RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN VEHICLES WITH AN 8500 OR GREATER GVW RATING. ON SOME OF THESE VEHICLES THE NUT ATTACHING THE PITMAN ARM TO THE STEERING LINKAGE MAY NOT BE TORQUED TO SPECIFICATION, WHICH COULD LEAD TO A POSSIBLE SEPARATION WHICH COULD RESULT IN A LOSS OF VEHICLE CONTROL AND A CRASH COULD OCCUR WITHOUT PRIOR WARNING. *TT *JB
1204022003-09-08. Service bulletin. UNKNOWN OR OTHER. STOP DELIVERY OF ALL 2003 MODEL YEAR CHEVROLET EXPRESS AND GMC SAVANA VANS BUILT BETWEEN OCTOBER 14, 2002 AND OCTOBER 25, 2002. *TT *JB
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
020844020B2003-04-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. NO AUDIO OUT OF SPEAKERS AT TIMES. *TT
020844020A2003-04-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. NO AUDIO OUT OF SPEAKERS AT TIMES. *TT
0303100012003-04-09. Service bulletin. TIRES:BEAD; SUSPENSION. TIRE SLOWLY GOES FLAT AND/OR EXCESSIVE WHEEL VIBRATION CAUSED BY BEAD SPLITS (REPLACE WHEELS WITH NEW HEAVY DUTY RIM VERSION) *TT *AR UPDATED 4/11/08. *NJ

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