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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: EGR valve are shown. Show all

Bulletins, newest first
08-06-04-003D2021-04-20. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT. New Tool Availability — EN-48974 – EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax® Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber
08-06-04-003C2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). This informational bulletin advises of a new testing tool for EGR cooling pressure tester.
SB-080604003-C2014-11-08. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. *PE

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