Installation Procedure
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Install the NEW appropriate exhaust seal (1) or gasket (2).
- Install the exhaust manifold pipe, if required. Refer to Exhaust Manifold Pipe Replacement (6.0L - Cab/Chassis) .
- Install the left catalytic converter, if required. Refer to Catalytic Converter Replacement - Left Side (6.0L - Cab/Chassis) .