Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. 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 in General Information.

Fig 1: Identifying Catalytic Converter Nuts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to CATALYTIC CONVERTER MOVEMENT NOTICE in Cautions and Notices.

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 2: Exhaust Manifold Pipe Gasket

Courtesy of GENERAL MOTORS CORP.

Remove the exhaust manifold pipe gasket.