Sierra 1500 4WD V6-4.3L (2008)
Heat Shield: Service and Repair
Exhaust Heat Shield Replacement - Dash Panel
Exhaust Heat Shield Replacement - Dash Panel
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the exhaust heat shield nuts.
3. Remove both wheelhouse panels. Refer to Front Wheelhouse Liner Replacement - Right Side (GMC) Front Wheelhouse Liner Replacement -
Right Side (Chevrolet) and Front Wheelhouse Liner Replacement - Left Side (Chevrolet) Front Wheelhouse Liner Replacement - Left Side
(GMC) .
4. Remove the exhaust heat shield (1, 3) from the dash panel studs.
5. Remove the heat shield (1, 3) through the respective wheelwell.
Installation Procedure
1. Install the heat shields (1, 3) through the respective wheelwell.
2. Install the exhaust heat shield (1, 3) to the dash panel studs.
Notice: Refer to Fastener Notice .
3. Install the exhaust heat shield nuts.
Tighten the nuts to 9 N.m (80 lb in).
4. Lower the vehicle.