gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Exhaust System|Service and Repair|Page 3572 > < Floor Panel Heat Shield Replacement|Page 3568
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Muffler: Service and Repair

Muffler Replacement (4.8L and 5.3L Engines) 

Tools Required 
-

J38185 Hose Clamp Pliers

Removal Procedure 

1. Remove the spare tire wheel stowage lock cylinder.

2. Remove the spare tire from the hoist.
3. Remove the rear tires and wheels. 

4. If vehicle is equipped with Regular Production Option (RPO) Z55, disconnect the following right side chassis harness electrical connectors:

Exhaust System|Service and Repair|Page 3572 > < Floor Panel Heat Shield Replacement|Page 3568