Envoy 2WD L6-4.2L (2008)
Heat Shield: Service and Repair
Exhaust Manifold Heat Shield Replacement
Exhaust Manifold Heat Shield Replacement (LL8) (4.2L)
Removal Procedure
1. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
2. Remove the transmission filler tube stud nut from the secondary air injection (AIR) adapter and move the filler out of the way.
3. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement (See: Engine/Engine Lubrication/Engine Oil Dip Stick -
Dip Stick Tube/Service and Repair) .
4. Remove the oxygen sensor from the exhaust manifold. Refer to Heated Oxygen Sensor 1 Replacement .
5. Remove the 4 manifold heat shield nuts and remove the heat shield.
Installation Procedure
