GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Impala 🢒 Engine 🢒 Engine Exhaust 🢒 Exhaust System Insulator, Hanger, Bracket Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Support the exhaust system.

    3. Object Number: 373046 Size: SH
  3. Remove the exhaust pipe rear hanger insulator from the exhaust pipe rear hanger bracket.
  4. Remove the exhaust pipe rear hanger bolt.
  5. Remove the exhaust pipe rear hanger bracket.

    6. Object Number: 194710 Size: SH
  6. Remove the exhaust pipe rear hanger insulators from the exhaust muffler rear hanger bracket.
  7. Remove the rear bumper impact bar bolt.
  8. Remove the exhaust muffler rear hanger bracket.

Installation Procedure

    Object Number: 194710 Size: SH
  1. Install the exhaust muffler rear hanger bracket.

    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 rear bumper impact bar bolt.

    3. Tighten
    Tighten the rear bumper impact bar bolts to 25 N·m (18 lb ft).

  3. Install the exhaust pipe rear hanger insulators to the exhaust muffler rear hanger bracket.

    4. Object Number: 373046 Size: SH
  4. Install the exhaust pipe rear hanger bracket.
  5. Install the exhaust pipe rear hanger bracket bolt.

    6. Tighten
    Tighten the exhaust pipe rear hanger bracket bolt to 25 N·m (18 lb ft).

  6. Install the exhaust pipe rear hanger insulator to the exhaust pipe rear hanger bracket.
  7. Remove the support from the exhaust system.
  8. Inspect the exhaust system for underbody contact.
  9. Lower the vehicle.