GM Service Manual Online
For 1990-2009 cars only

Exhaust Muffler Replacement Gasoline

Removal Procedure

  1. Raise the Vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 223732  Size: SH
  3. Remove the clamps from the front and the rear of the muffler.
  4. Remove the tailpipe.

  5. Object Number: 223731  Size: SH
  6. Disconnect the muffler from the exhaust hangers.
  7. Remove the muffler from the vehicle.

Installation Procedure


    Object Number: 223731  Size: SH
  1. Install the muffler.
  2. Connect the exhaust hangers that support the muffler to the frame.
  3. Install the tailpipe.

  4. Object Number: 223732  Size: SH
  5. Install the clamps to the front and the rear of the muffler. Refer to Clamps .

Exhaust Muffler Replacement Diesel

Removal Procedure

  1. Raise the vehicle and support with safety stands. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 367407  Size: SH
  3. Remove the clamps from the front and the rear of the muffler.
  4. Disconnect the exhaust hangers that support the exhaust pipe to the frame.
  5. Disconnect the exhaust hangers that support the tail pipe to the frame.
  6. Disconnect the exhaust hangers that support the muffler to the frame.
  7. Remove the muffler from the vehicle.

Installation Procedure


    Object Number: 367407  Size: SH
  1. Install the muffler.
  2. Connect the exhaust hangers that support the muffler to the frame.
  3. Connect the exhaust hangers that support the tail pipe to the frame.
  4. Connect the exhaust hangers that support the exhaust pipe to the frame.
  5. Install the clamps to the front and the rear of the muffler. Refer to Clamps .
  6. Lower the vehicle.