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. Notice: Refer to Catalytic Converter Movement Notice in the Preface section.

  3. Suitably support the exhaust system.

  4. Object Number: 289493  Size: SH
  5. Remove the three-way catalytic converter hangers.
  6. Inspect the three-way catalytic converter brackets for serviceability. Repair or replace as necessary.

Installation Procedure


    Object Number: 289493  Size: SH
  1. Install the three-way catalytic converter hangers.
  2. Remove the support from the exhaust system and vehicle.
  3. Inspect for leaks and underbody contact.
  4. Lower the vehicle.