GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Notice: Refer to Catalytic Converter Movement Notice in the Preface section.

  3. Support the exhaust system.
  4. Remove the catalytic converter. Refer to Catalytic Converter Replacement .

  5. Object Number: 195267  Size: SH
  6. Remove the heated oxygen sensor (HO2S) wiring harness (3) from the catalytic converter heat shield (4).

  7. Object Number: 289490  Size: SH
  8. Remove the catalytic converter heat shield rivets.
  9. Remove the catalytic converter heat shield.

Installation Procedure


    Object Number: 289491  Size: SH
  1. Install the catalytic converter heat shield.
  2. Install the converter heat shield rivets.

  3. Object Number: 195267  Size: SH
  4. Install the heated oxygen sensor (HO2S) wiring harness (3) to the catalytic converter heat shield (4).
  5. Install the catalytic converter. Refer to Catalytic Converter Replacement .
  6. Remove the support from the exhaust system.
  7. Lower the vehicle.
  8. Inspect the exhaust system for leaks.