GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2003 🢒 Grand Am 🢒 Engine 🢒 Engine Exhaust 🢒 Exhaust Muffler Replacement

Removal Procedure

    Object Number: 760395 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Suitably support the exhaust system.
  3. Cut the exhaust pipe (1) as close as is possible to the muffler weld (2).

    4. Object Number: 760394 Size: SH
  4. Disconnect the exhaust muffler rear hanger insulators from the exhaust muffler.
  5. Remove the exhaust muffler.

Installation Procedure

    Object Number: 760394 Size: SH
  1. Install the exhaust muffler.
  2. Connect the exhaust muffler rear hanger insulators to the exhaust muffler.

    3. 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. Install the exhaust muffler to the exhaust pipe.

    4. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  4. Remove the support from the exhaust system.
  5. Lower the vehicle.
  6. Inspect the exhaust system for leaks and underbody contact.