Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Catalytic Converter To Exhaust Manifold Nuts

Courtesy of GENERAL MOTORS CORP.

Remove the heated oxygen sensor. Refer to Heated Oxygen Sensor Replacement - Sensor 2 .
Remove the catalytic converter to exhaust manifold nuts (1).

Fig 2: Catalytic Converter To Muffler Nuts

Courtesy of GENERAL MOTORS CORP.

Remove the catalytic converter to muffler nuts (1).
Separate the exhaust pipe from the catalytic converter studs.
Position and support the exhaust pipe out of the way.
Remove the catalytic converter (2) and gasket.