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Service bulletin 082203

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 id10003826
Published by NHTSA2003-11-04
Manufacturer's number082203
Manufacturer's date2003-08-22
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

THIS IS DEALER VME CONCERNS OIL VISCOSITY USERS GUIDELINES FOR THE 3800 L36 AND L67 ENGINE APPLICATIONS.

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
BUICK BUICK2003
CHEVROLET CHEVROLET2003
OLDSMOBILE OLDSMOBILE2003
PONTIAC PONTIAC2003

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