GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1523750  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. If equipped with a 2.2L (L61) engine, remove the intermediate pipe to muffler nuts.

  3. Object Number: 1459614  Size: SH
  4. If equipped with a 3.5L (LX9) engine, remove the rear catalytic converter to muffler nuts.

  5. Object Number: 1238995  Size: SH
  6. With the aid of an assistant , remove the muffler from the hangers.

Installation Procedure


    Object Number: 1238995  Size: SH
  1. With the aid of an assistant, install the muffler to the hangers.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1459614  Size: SH
  3. If equipped with a 3.5L (LX9) engine, remove the rear catalytic converter to muffler nuts.
  4. Tighten
    Tighten the nuts to 30 N·m (22 lb ft).


    Object Number: 1523750  Size: SH
  5. If equipped with a 2.2L (L61) engine, install the intermediate pipe to muffler nuts.
  6. Tighten
    Tighten the nuts to 30 N·m (22 lb ft).

  7. Lower the vehicle.