TSB Document:

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

You can still get the detailed info from Buick for this TSB. Call your local Buick dealer's service department & ask for a copy of TSB# 476006.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Summary

POPPING/FLUTTERING/TICKING/SPARK KNOCK NOISE WHILE DRIVING UP MEDIUM GRADES OR ACCELERATING FROM A STOP. *TW

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