gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

03-06-05-008D > < Exhaust - Muffler Heat Shield Buzz During Operation|Page 5605
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Warranty Information

For vehicles with Exhaust Pinging/Popping/Snapping Noise, NO repairs are necessary as it is a normal condition. 

For vehicles repaired for a muffler buzz, use the labor operation.

Disclaimer

03-06-05-008D > < Exhaust - Muffler Heat Shield Buzz During Operation|Page 5605