Envoy 4WD V8-5.3L VIN M (2005)
Heat Shield: Service and Repair
Exhaust Muffler Heat Shield Replacement
Exhaust Muffler Heat Shield Replacement
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the catalytic converter heat shield rear 2 bolts where the catalytic converter heat shield connects to the muffler heat shield.
3. Remove the remaining exhaust muffler heat shield bolts and remove the heat shield from the floor panel studs.
Installation Procedure
1. Install the muffler heat shield to the floor panel studs placing the muffler heat shield under the rear part of the converter heat shield.
2. Secure the muffler heat shield with 5 bolts.
Tighten
Tighten the exhaust muffler heat shield bolts to 7 Nm (62 inch lbs.).
3. Lower the vehicle.
