GM Service Manual Online
For 1990-2009 cars only

Exhaust Muffler Replacement Dual Outlet

Removal Procedure

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


    Object Number: 460738  Size: SH
  1. Remove the catalytic converter. Refer to Catalytic Converter Replacement .
  2. Support the exhaust system.
  3. With the aid of an assistant, remove the exhaust system from the exhaust hangers.
  4. Clean the catalytic converter and the muffler mating surfaces.

Installation Procedure


    Object Number: 460738  Size: SH
  1. With the aid of an assistant, install the muffler to the exhaust hangers.
  2. Remove the support from the exhaust system.
  3. Install the catalytic converter. Refer to Catalytic Converter Replacement .

Exhaust Muffler Replacement Single Outlet

Removal Procedure

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


    Object Number: 892633  Size: SH
  1. Remove the catalytic converter. Refer to Catalytic Converter Replacement .
  2. Support the exhaust system.
  3. With the aid of an assistant, remove the exhaust system from the exhaust hangers.
  4. Clean the catalytic converter and the muffler mating surfaces.

Installation Procedure


    Object Number: 892633  Size: SH
  1. With the aid of an assistant, install the muffler to the exhaust hangers.
  2. Remove the support from the exhaust system.
  3. Install the catalytic converter. Refer to Catalytic Converter Replacement .