WenmarOpen by Wenmar Pro

Service bulletin 031000

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id617679
Published by NHTSA2001-03-22
Manufacturer's number031000
Manufacturer's date2000-10-03
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

INFORMATION PERTAINING TO THE L18 8.1 LITER 2001 MODELYEAR ENGINE EXCHANGE PROGRAM BULLETIN. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
CHEVROLET CHEVROLET2001
GMC GMC2001

Listing a model year does not mean every vehicle of it is concerned: the document says which.