GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 25822  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Cut the intermediate pipe (1) at the muffler (2) near the weld.

  3. Object Number: 107551  Size: SH
  4. Remove the muffler hanger bolts.

Installation Procedure


    Object Number: 107551  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.

  1. Install the muffler hanger bolts.
  2. Tighten
    Tighten the muffler hanger bolts to 16 N·m (12 lb ft).


    Object Number: 71715  Size: SH
  3. Clamp the muffler to the intermediate pipe.
  4. Lower the vehicle.