Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: The muffler is serviced as a complete assembly and cannot be serviced separately.

Fig 1: View Of Catalytic Converter Mounting Nuts

Courtesy of GENERAL MOTORS CORP.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Support the exhaust system.
Remove the catalytic converter nuts.

Fig 2: Identifying Muffler (Single)

Courtesy of GENERAL MOTORS CORP.

Remove the exhaust system from the exhaust hangers.
Clean the catalytic converter and the muffler gasket mating surfaces.