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Service bulletins for the 2003 Chevrolet Silverado

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.

1069 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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
0306010112003-04-28. Service bulletin. ENGINE AND ENGINE COOLING. ACCESSORY DRIVE BELT WHINE. *TT
0306030012003-04-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE STARTER CRANKS AFTER KEY IS RELEASED ON COLD START. *TT
0206010382003-03-29. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE KNOCK OR LIFTER NOISE. *TT
020605005A2003-03-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. EXHAUST / MUFFLER HEAT SHIELD RATTLE, POPPING NOISE UNDER VEHICLE. *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
0101022003-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VEHICLE WILL NOT START CONDITION. *TT
020601023A2003-02-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK AT OIL COOLER TO ENGINE BLOCK MATING SURFACE. *TT
0206010272002-09-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION ON HIGHER THAN EXPECTED OIL CONSUMPTION. NLM
02035A2002-09-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CUSTOMER SATISFACTION PROGRAM REGARDING ENGINE OIL CONTAMINATION. *TT
020352002-09-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CUSTOMER SATISFACTION PROGRAM REGARDING ENGINE OIL CONTAMINATION. *TT
02035B2002-09-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CUSTOMER SATISFACTION PROGRAM REGARDING ENGINE OIL CONTAMINATION FOR CERTAIN MODELS INCLUDING THE 2003 GMC MEDIUM DUTY. *TT

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