GM Service Manual Online
For 1990-2009 cars only

Exhaust System Insulator, Hanger, Bracket Replacement Exhaust Muffler

Removal Procedure


    Object Number: 676824  Size: SH
  1. Remove the muffler. Refer to Exhaust Muffler Replacement - Left Side or Exhaust Muffler Replacement - Right Side.
  2. Remove the muffler hanger nuts and hanger.
  3. Remove the push-on retainer, if necessary.
  4. Remove the hanger reinforcement, if necessary.

Installation Procedure


    Object Number: 676824  Size: SH
  1. Install the hanger reinforcement, if necessary.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the push-on retainer, if necessary.
  4. Install the muffler hanger and nuts.
  5. Tighten
    Tighten the muffler hanger nuts to 16 N·m (12 lb ft).

  6. Install the muffler. Refer to Exhaust Muffler Replacement - Left Side or Exhaust Muffler Replacement - Right Side.

Exhaust System Insulator, Hanger, Bracket Replacement Exhaust Pipe Rear

Removal Procedure


    Object Number: 676717  Size: SH
  1. Remove the intermediate exhaust pipe. Refer to Intermediate Pipe Replacement.
  2. Remove the floor panel tunnel reinforcement. Refer to Floor Panel Tunnel Panel Reinforcement Replacement.
  3. Remove the upper exhaust pipe hanger bolts.
  4. Remove the exhaust pipe hanger.

Installation Procedure


    Object Number: 676717  Size: SH
  1. Install the exhaust pipe hanger.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the upper exhaust pipe hanger bolts.
  4. Tighten
    Tighten the exhaust pipe hanger bolts to 50 N·m (37 lb ft).

  5. Install the floor panel tunnel reinforcement. Refer to Floor Panel Tunnel Panel Reinforcement Replacement.
  6. Install the intermediate exhaust pipe. Refer to Intermediate Pipe Replacement.