TSB Document:

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

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 99063.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary

INFORMATION REGARDING MISMACHINED ENGINE CRANKSHAFT ON TRUCKS EQUIPPED WITH 4.3L V6 ENGINES. *TT

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