GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  2. Object Number: 760395  Size: SH
  3. Cut the exhaust pipe as close as possible to the muffler weld.

  4. Object Number: 760394  Size: SH
  5. Remove the muffler from the hangers.

Installation Procedure


    Object Number: 760394  Size: SH
  1. Install the muffler to the hangers.

  2. Object Number: 760395  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Clamp the muffler assembly to the intermediate pipe.
  4. Tighten
    Tighten the clamp to 50 N·m (37 lb ft).

  5. Lower the vehicle.