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Service bulletins for the 1995 Chevrolet W4

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.

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

By type

By component

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
1300890092023-12-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
97061A1998-08-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. EXHIBITING A CONDITION IN WHICH THE CLOSED SYSTEM DESIGN OF THE CURRENT PCV SYSTEM MAY ALLOW ENGINE OIL TO ENTER THE INTAKE SYSTEM. *YC
97061A1998-06-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VEHICLES WITH DIESEL ENGINES MAY EXHIBIT A CONDITION IN WHICH THE CLOSED SYSTEM DESIGN OF THE CURRENT PCV SYSTEM MAY ALLOW ENGINE OIL TO ENTER THE INTAKE SYSTEM. *YC

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