GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Montana 🢒 Engine 🢒 Engine Exhaust 🢒 Exhaust Muffler Insulator, Hanger, and Bracket Replacement

Removal Procedure
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the muffler hanger insulators from the muffler.

    3. Object Number: 373052 Size: SH
  3. Remove the muffler hanger bolts.
  4. Remove the muffler hanger.

Installation Procedure

    Object Number: 373052 Size: SH
  1. Install the muffler hanger.

    2. 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.

  2. Install the muffler hanger bolts.

    3. Tighten
    Tighten the muffler hanger bolts to 35 N·m (26 lb ft).

  3. Install the muffler hanger insulators to the muffler.
  4. Lower the vehicle.