Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 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 JACKING AND LIFTING in General Information.
NOTE: To prevent internal damage to the flexible coupling of the catalytic converter 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.
Remove the exhaust manifold pipe gasket.

Fig 1: Removing Right Exhaust Manifold Pipe Stud Nuts From Exhaust Manifold Studs
Courtesy of GENERAL MOTORS CORP.

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