Removal Procedure

Important:  The muffler is serviced as a complete assembly and cannot be serviced separately.

1. Raise and support the vehicle.
2. Support the exhaust system.
3. Remove the catalytic converter from the muffler. Refer to Catalytic Converter Replacement (3.4L)  or Catalytic Converter Replacement (3.8L)  .
4. Remove the muffler from the exhaust hangers.
Fig 1: Dual Muffler Assembly
Courtesy of GENERAL MOTORS CORP.
5. Clean the catalytic converter and the muffler gasket mating surfaces.