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# 040605005.

Affected Component: ENGINE AND ENGINE COOLING

Summary

EXHAUST SYSTEM POPPING SNAPPING NOISE WHEN VEHICLE IS HOT AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF. *EH

Click a tab for more information.