Removal Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
NOTE: Refer to Catalytic Converter Movement Notice in Cautions and Notices.
Support the exhaust system.
Remove the 3-way catalytic converter pipe hangers.

Fig 1: Removing Catalytic Converter Pipe Hangers
Courtesy of GENERAL MOTORS CORP.
Inspect the 3-way catalytic converter brackets for serviceability. Repair or replace as necessary.