GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 166688  Size: SH
  1. Support the intermediate pipe/resonator assembly.
  2. Cut the intermediate pipe/resonator.

  3. Object Number: 108127  Size: SH
  4. Remove the muffler hangers.
  5. Remove the muffler.

Installation Procedure


    Object Number: 108127  Size: SH
  1. Install the muffler.
  2. Install the muffler hangers.
  3. Install the intermediate pipe/resonator assebly to the muffler.
  4. Align the muffler and the intermediate pipe/resonator to the proper clearance. Refer to Exhaust System Alignment .
  5. 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.

  6. Install the U bolt type clamp.
  7. Tighten
    Tighten the clamp nuts to 40 N·m (30 lb ft).