Yukon Denali AWD V8-6.2L (2007)
Muffler: Service and Repair
Muffler Replacement (2500)
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the exhaust muffler to right catalytic converter nuts.
3. Loosen the exhaust pipe clamp at the left catalytic converter.
4. Lubricate the insulators where the muffler assembly hangers are inserted in order to ease in removal.
5. With the aid of an assistant, remove the insulators from the exhaust system hangers (4, 5, and 6).
6. Pull the muffler assembly rearward in order to separate the muffler from the catalytic converters. Once the muffler is separated from the
converters, move and rotate the muffler towards the front of the vehicle, removing the muffler from the vehicle.
Installation Procedure
