Removal Procedure

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Exhaust Manifold Heat Shield

Courtesy of GENERAL MOTORS CORP.

Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
Remove the exhaust manifold heat shield (1). Refer to Exhaust Manifold Heat Shield Replacement .
Remove the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor 1 Replacement .
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig 2: Identifying Catalytic Converter

Courtesy of GENERAL MOTORS CORP.

NOTE: Do not bend the exhaust flex decoupler more than 3 degrees in any direction. Movement of more than 3 degrees will damage the exhaust flex decoupler.

Remove the catalytic converter. Refer to Catalytic Converter Replacement (LE5) .
Lower the vehicle.

Fig 3: Identifying Exhaust Manifold

Courtesy of GENERAL MOTORS CORP.

Remove the exhaust manifold nuts.
Remove the exhaust manifold and discard the gasket.
Clean and inspect all of the gasket mating surfaces.