Removal Procedure

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Raise and suitably support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
NOTE: To prevent internal damage to the flexible coupling of the catalytic assembly, the converter must be supported. The vertical movement at the rear of the catalytic converter assembly must not exceed 6 degrees up or down.

Important: Use caution handling the pipe that contains an oxygen sensor. Do not cut the wire. For removal or repositioning disconnect the connector.
Remove the right exhaust manifold pipe stud nuts from the exhaust manifold studs.
Important: Suitably support the exhaust system where hangers are removed.
In order to remove the exhaust seal disconnect any hangers necessary to reposition the exhaust system.
Reposition the exhaust system.

Fig 1: Removing Right Exhaust Manifold Pipe, Stud & Nuts
Courtesy of GENERAL MOTORS CORP.
Remove the exhaust manifold pipe gasket.

Fig 2: Removing Exhaust Manifold Pipe Gasket
Courtesy of GENERAL MOTORS CORP.