GM Service Manual Online
For 1990-2009 cars only

Exhaust Muffler Replacement RPOs LE5/LSJ

Tools Required

SA9168NE Exhaust and Tailpipe Cutter

Removal Procedure

Important: The factory equipped welded exhaust muffler pipe can be cut and reused when installing a service muffler, if the muffler pipe is in acceptable condition.


    Object Number: 1382254  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Support the exhaust muffler.
  3. Cut the exhaust muffler pipe just forward of the weld at the front of the exhaust muffler using the SA9168NE .
  4. Remove the muffler insulator from the underbody hanger and remove the exhaust muffler.
  5. Deburr the muffler pipe end as necessary.

Installation Procedure


    Object Number: 1382254  Size: SH
  1. Slide the muffler inlet pipe over the muffler pipe, then install the muffler insulator to the underbody hanger.

  2. Object Number: 1388782  Size: SH
  3. Install a service muffler clamp to the muffler inlet pipe. Position the clamp approximately 19 mm (¾ in), from the edge of the muffler inlet, with the clamp nuts oriented away from the evaporative emission (EVAP) canister.
  4. Align the muffler and tailpipe to the vehicle underbody and rear bumper fascia.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. While maintaining muffler positioning, tighten the exhaust clamp nuts.
  7. Tighten
    Tighten the nuts to 45 N·m (33 lb ft).

  8. Lower the vehicle.

Exhaust Muffler Replacement RPO L61

Tools Required

SA9168NE Exhaust and Tailpipe Cutter

Removal Procedure

Important: The factory equipped welded exhaust muffler pipe can be cut and reused when installing a service muffler, if the muffler pipe is in acceptable condition.


    Object Number: 890537  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Support the exhaust muffler.
  3. Cut the exhaust muffler pipe just forward of the weld at the front of the exhaust muffler using the SA9168NE .
  4. Remove the muffler insulator from the underbody hanger and remove the exhaust muffler.
  5. Deburr the muffler pipe end as necessary.

Installation Procedure


    Object Number: 890536  Size: SH
  1. Slide the muffler inlet pipe over the muffler pipe, then install the muffler insulator to the underbody hanger.

  2. Object Number: 890538  Size: SH
  3. Install a service muffler clamp to the muffler inlet pipe. Position the clamp approximately 19 mm (¾ in), from the edge of the muffler inlet, with the clamp nuts oriented away from the evaporative emission (EVAP) canister.
  4. Align the muffler and tailpipe to the vehicle underbody and rear bumper fascia.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. While maintaining muffler positioning, tighten the exhaust clamp nuts.
  7. Tighten
    Tighten the nuts to 45 N·m (33 lb ft).

  8. Lower the vehicle.