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October 1, 1999 Service bulletin

Some customers may comment about a knocking or grinding noise with the engine running

Chevrolet technical service bulletin 990601020 for 1998-1999 Chevrolet S Series, 1998-1999 Chevrolet T-Series and 1998-1999 GMC T-Series and others.

Bulletin number
990601020
Component
Engine and engine cooling: engine: gasoline
Summary
Some customers may comment about a knocking or grinding noise with the engine running. Tt

Owners of these vehicles have filed 1 complaints in the engine category.

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