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.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the wheel drive shaft heat shield. Refer to Front Wheel Drive Shaft Joint Boot Shield Replacement .
Remove the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Sensor 2 .

Fig 1: Identifying Catalytic Converter & Muffler Pipe

Courtesy of GENERAL MOTORS CORP.

Remove the catalytic converter to the resonator pipe nuts.

Fig 2: Identifying Catalytic Converter

Courtesy of GENERAL MOTORS CORP.

Remove the catalytic converter to exhaust manifold nuts.
Remove the catalytic converter.
Discard the exhaust gaskets.
Clean the flange mating surfaces of any remaining gasket material.