Removal Procedure

CAUTION: Refer to Exhaust Service Caution in Cautions and Notices.

CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Fig 1: View Of Rubber Hangers & Retainer Clips

Courtesy of GENERAL MOTORS CORP.

Remove two support hanger retainer clips (1) and two rubber hangers (2) from the support hangers.

Fig 2: View Of Rear Muffler Pipes & Ring Clamp Fastening Nuts

Courtesy of GENERAL MOTORS CORP.

Loosen two ring clamp fastening nuts (1).
Slide both of the rear pipes (2) out of the muffler pipe slip joints.
Remove the rear pipe assembly.
Support the catalytic converter assemblies and the muffler assemblies with a jackstand.

Fig 3: View Of Muffler Flange Gasket

Courtesy of GENERAL MOTORS CORP.

Remove the catalytic converter to muffler flange bolts (1).
Separate the catalytic converter and muffler assemblies then remove the flange gasket (2), from the flange joint.

Fig 4: Locating Rubber Hangers & Retaining Clips

Courtesy of GENERAL MOTORS CORP.

Remove four retainer clips (1), and four rubber hangers (2), from the right and left muffler support hangers.
Remove the muffler assembly.