GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Park Avenue 🢒 Engine 🢒 Engine Exhaust 🢒 Exhaust Muffler Replacement

Removal Procedure

    Object Number: 25822 Size: SH
  1. Support the catalytic converter assembly.
  2. Cut (1) the intermediate pipe at the muffler (2).

    3. Object Number: 506320 Size: SH
  3. Remove the muffler hanger.
  4. Remove the muffler.

Installation Procedure

    Object Number: 506320 Size: SH
  1. Align the muffler.
  2. Install the muffler hanger.
  3. Join the catalytic converter assembly and the muffler together.
  4. Align the muffler and catalytic converter assembly the to the proper clearance. Refer to Exhaust System Alignment .

    5. Object Number: 71715 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.

  5. Install the U bolt type clamp.

    6. Tighten
    Tighten the clamp nuts to 40 N·m (30 lb ft).