TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 3157A.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary

ENGINE WHINE OR BUZZ NOISE SOUNDS LIKE A GENERATOR TYPE NOISE ON 3.1L OR 3.8L ENGINES. *TT

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