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Service bulletins for the 2003 GMC Savana

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.

591 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
00969A2004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE WHISTLE NOISE. *TT
01485A2004-02-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX FOR VEHICLE EXHIBITING RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. SIT BULLETIN 1408407. *TT
0308490122003-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHANGE ENGINE OIL LIGHT ON. *TT UPDATE. *TT
0306040412003-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. POOR ENGINE PERFORMANCE - MISFIRE, ROUGH IDLE, SERVICE ENGINE SOON/CHECK ENGINE LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P0300 SET. *TT
0306010242003-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. RATTLE NOISE IN ENGINE. *TT
0306010232003-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HIGHER THAN EXPECTED OIL CONSUMPTION <8500 GVW. VARIOUS MODELS INCLUDING 2003-2004 CHEVROLET KODIAK (C4500-C5500 SERIES MODELS)AND GMC TOPKICK (C4500-C5500 SERIES MODELS). *TT
030603001A2003-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. STARTER CRANKS AFTER KEY IS RELEASED (NORMAL CONDITION). *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
013422003-11-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.3L LU3 ENGINE HOT SOAK HESITATION LOW POWER. *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
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
0206040592003-03-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE RUNS ROUGH, SERVICE ENGINE SOON LIGHT ON, DIAGNOSTIC TROUBLE CODES P0300 OR P0335 SET. *TT
0106050032001-08-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. VIBRATION OR RATTLE-TYPE NOISE COMING FROM THE EXHAUST SYSTEM AT IDLE WITH ENGINE RPMS BETWEEN 613 AND 712. *TT THIS BULLETIN REPLACED 01-06-05-003 DATED 07/01/2001. *TT

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