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Service bulletins for the 2002 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.

866 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
020604023A2002-10-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (COMMONLY REFERRED TO AS SPARK KNOCK) USUALLY WORSE DURING ACCELERATION AND / OR AN ILLUMINATED MALFUNCTION INDICATOR LAMP. *TT
0206040232002-10-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (SPARK KNOCK) DURING ACCELERATION AND / OR ILLUMINATED MALFUNCTION INDICATOR LAMP WITH DIAGNOSTIC TROUBLE CODE P0332 SET. *TT
0206010272002-09-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION ON HIGHER THAN EXPECTED OIL CONSUMPTION. NLM
0206010102002-07-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. INFORMATION ON SERPENTINE BELT IDENTIFICATION AND DIAGNOSIS FOR CERTAIN HD PICKUP MODELS. *TT
2502022002-04-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. HIGH ENGINE TEMPERATURE READINGS WHEN DRIVING AT HIGHWAY SPEED WITH THEIR SNOWPLOW IN THE UP POSITION ON THEIR 2500 HD AND 3500 SERIES PICK UP TRUCKS. *TT
0206040052002-04-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P1221 SERVICE MANUAL INFORMATION. *TT
2910012002-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. INFORMATION ON REPROGRAMMING 2500 HD AND 3500 SERIES TRUCKS WITH THE 6600 DURAMAX DIESEL LB7 ENGINE. *TT
010417004A2002-02-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CLUNK, BUMP OR SQUAWK WHEN VEHICLE COMES TO A COMPLETE STOP OR ACCELERATION FROM COMPLETE STOP. *YH UPDATE. *TT

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