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Service bulletins for the 2002 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.

659 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
31212004-11-08. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES. *TC
30972004-11-05. Service bulletin. ENGINE AND ENGINE COOLING. OIL PAN OR OIL COOLER LINE LEAK. *SC
31072004-11-05. Service bulletin. ENGINE AND ENGINE COOLING. P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES. *SC
31212004-11-05. Service bulletin. ENGINE AND ENGINE COOLING. 6.6 LB7 ENGINE WITH A NO CHARGE CONDITION WITH DIAGNOSTIC TROUBLE CODE P0380 P0621. *SC
31192004-11-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT. *SC
30242004-11-04. Service bulletin. ENGINE AND ENGINE COOLING. GEN III ENGINE COATED PISTON INFORMATION. *TC
31212004-11-04. Service bulletin. ENGINE AND ENGINE COOLING. EXHAUST VIBRATION RESONANCE OR MOAN. (2004-2005 GMC DENALI) *SC
31602004-11-04. Service bulletin. ENGINE AND ENGINE COOLING. GAS ENGINES EXHAUST BUZZ OR RATTLE NOISE. *TC
30552004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7. *TT
30382004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE TICK, RATTLE OR KNOCK NOISE AFTER CYLINDER HEAD GASKET REPLACEMENT ON THE 6.0L ENGINE. *TT
30722004-10-13. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. THE ENGINE COOLANT TEMPERATURE OR INTAKE AIR TEMPERATURE SENSOR MAY READ -40 DEGREES WHEN MONITORED WITH TECH 2. *TT
30862004-10-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. WHISTLE NOISE FROM THE THROTTLE BODY AREA ON LIGHT THROTTLE ACCELERATION ON VEHICLES WITH GEN III ENGINES AND ELECTRONIC THROTTLE. *TT
30042004-08-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.8L 5.3L 6.6L 8.1L P1285 P1286 OR P2133 AFTER REPLACING APP SENSOR. *MJ
30152004-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 6.0L LQ4 VIN U ENGINE RESTRICTION. *TT
30112004-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REPEAT ENGINE OIL LEAK AT MAIN BEARING SIDE BOLT. *TT
0406040072004-08-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE. *TT
013532004-07-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT
00872A2004-07-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL PAN OR OIL COOLER LINE LEAK ON GEN III V-8 ENGINES EQUIPPED WITH AN OIL COOLER. *TT
00428E2004-07-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HIGHER THAN EXPECTED OIL CONSUMPTION EVEN AFTER THE INTAKE BOLTS WERE REPLACED PER 02-06-01-035. *TT
020512004-07-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT SERVICE ENGINE SOON (SES) LIGHT COMES ON AND CODE P0700 ALONG WITH DIAGNOSTIC TROUBLE CODE P0742 STORED. *TT
012252004-07-08. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE COOLANT LEAK AT INTAKE GASKET. * MJ
015862004-07-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 8.1L CHANGES IN HEADS, BOLTS AND GASKET FOR FOR 2004 1/2 ENGINES. VARIOUS MODELS INCLUDING THE CHEVROLET AND GMC 2500HD/3500 MY2001-2004 AND 2001, 2002, AND 2003 GMT 560. *MJ
0206010222004-07-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON ENGINE TICKING. *MJ
002662004-07-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOSS OF POWER, HESITATES ON ACCELERATION ON 4.8, 5.3 AND 6.0 ENGINES COUPLED WITH THE 4L60E OR 4L65E TRANSMISSION. *TT
00700A2004-07-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.3L L35 ENGINE WIDE OPEN THROTTLE DIAGNOSTIC TROUBLE CODE (DTC) P0335, P0336, P0339. *TT *MJ

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