Affected Component: ENGINE AND ENGINE COOLING

Date Published

APR 29, 2004

NHTSA TSB #

10013205

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# 04292004.

Summary

ENGINE MAY HAVE A CONDITION IN WHICH THE EXHAUST VALVE STEM MAY BECOME DEFORMED. THIS INCLUDES 1999-01 CHEVROLET AND GMC 4500 AND 5500 MODELS. *EH