Removal Procedure
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
- If equipped with RPO NU3, remove the secondary air injection (AIR) check valve. Refer to Secondary Air Injection Check Valve Pipe Replacement .
- Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement .
- Remove the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Sensor 1 .
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
- Remove the catalytic converter assembly. Refer to Catalytic Converter Replacement (LAP) .
- Lower the vehicle.
- Remove the exhaust manifold nuts.
- Remove the exhaust manifold and discard the exhaust manifold gasket.
- Clean and inspect all gasket mating surfaces.