Sierra 3500 Denali 4WD V8-6.0L (2011)
Exhaust Pipe Gasket: Service and Repair
Exhaust Seal Replacement (ZW9 Cab Chassis)
Exhaust Seal Replacement (ZW9 Cab Chassis)
Removal Procedure
1. Remove the left catalytic converter, if required. Refer to Catalytic Converter Replacement - Left Side (ZW9) (See: Catalytic Converter/Service
and Repair/Catalytic Converter Replacement - Left Side (ZW9)).
2. Remove the exhaust manifold pipe, if required. Refer to Exhaust Manifold Pipe Replacement (ZW9) (See: Exhaust Pipe/Service and Repair).
3. Remove and discard the appropriate exhaust seal (1) or gasket (2).
Installation Procedure
1. Install the NEW appropriate exhaust seal (1) or gasket (2).
2. Install the exhaust manifold pipe, if required. Refer to Exhaust Manifold Pipe Replacement (ZW9) (See: Exhaust Pipe/Service and Repair).