GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Allure 🢒 Engine 🢒 Engine Exhaust 🢒 Converter Hanger Assembly Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

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

  2. Support the exhaust system.

    3. Object Number: 289493 Size: SH
  3. Remove the 3-way catalytic converter pipe hangers.
  4. Inspect the 3-way catalytic converter brackets for serviceability. Repair or replace as necessary.

Installation Procedure

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