Yukon Denali 2010 Hybrid Muffler Service and Repair Information
Muffler: Service and Repair
Exhaust Muffler Replacement (With LFA)
Removal Procedure
Warning: Refer to Exhaust Service Warning (See: Service Precautions).
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Loosen the catalytic converter to muffler clamp bolt (1).
3. Disconnect the muffler assembly from the resonator. Refer to Exhaust Resonator Replacement (2-Mode) (See: Exhaust Resonator/Service and
Repair)
4. Lubricate the insulators where the muffler pipe hangers are inserted in order to ease in removal.
5. Remove the insulators from the exhaust system hangers (1, 2, and 3).
6. With the aid of an assistant, remove the muffler pipe assembly from the vehicle.