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January 1, 2004 Service bulletin

Oil pan drain plug threads - information

Chevrolet technical service bulletin 01672 for 2002-2004 Chevrolet Trailblazer, 2002-2004 GMC Envoy and 2002-2004 Oldsmobile Bravada and others.

Bulletin number
01672
Component
Engine and engine cooling: engine
Summary
Oil pan drain plug threads - information. Tt

Owners of these vehicles have filed 530 complaints in the engine category.

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