GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Support the three way catalytic converter.
  3. Remove the intermediate pipe from the three way catalytic converter.

  4. Object Number: 182083  Size: SH
  5. Remove the muffler assembly from the intermediate pipe.

  6. Object Number: 182079  Size: SH
  7. Remove the intermediate pipe from the hanger.

  8. Object Number: 182075  Size: SH
  9. Remove the intermediate pipe.
  10. Remove the three way catalytic converter seal.
  11. Remove the intermediate pipe to muffler assembly seal.
  12. Clean the flange surface.

Installation Procedure

  1. Install the three way catalytic converter seal.
  2. Install the intermediate pipe to muffler assembly seal.

  3. Object Number: 182079  Size: SH
  4. Install the intermediate pipe to the hanger.

  5. Object Number: 182075  Size: SH
  6. Install the intermediate pipe to the three way catalytic converter.

  7. Object Number: 182083  Size: SH
  8. Install the intermediate pipe to the muffler assembly.
  9. Lower the vehicle.