Sierra Denali AWD V8-6.2L (2008)
Exhaust Manifold: Service and Repair
Exhaust Manifold Replacement - Left Side
Exhaust Manifold Replacement - Left Side (4.8L, 5.3L, 6.0L, and 6.2L)
Tools Required
J 42640 Steering Column Anti-Rotation Pin
Removal Procedure
1. Install the J 42640 into the steering column lower access hole.
2. Remove the left wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Left Side (Chevrolet) Front Wheelhouse Liner Replacement -
Left Side (GMC) .
3. Fully raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
4. Remove the catalytic converter to exhaust manifold nuts. (1500 series shown, 2500 series similar).
5. Lower the vehicle part way in order to work through the wheel opening.