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Service bulletin 00109

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 id617744
Published by NHTSA2001-03-26
Manufacturer's number00109
Manufacturer's date2000-12-22
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

GENERAL MOTORS HAS DECIDED THAT CERTAIN 2001 CHEVROLET AND GMC S PICKUP TRUCKS EQUIPPED WITH A V6 ENGINE MAY HAVE BEEN BUILT WITH AN INCORRECTLY ORIENTED ENGINE OIL COOLER HOSE. *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 CHEVROLET TRUCK2001
CHEVROLET S PICKUP2001
GMC GMC TRUCK2001
GMC S PICKUP2001

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