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Removal Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to LIFTING & JACKING THE VEHICLE .
    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.
  2. Remove the exhaust manifold pipe stud nuts from the exhaust manifold studs.
    IMPORTANT: Support the exhaust system where hangers are removed.
  3. In order to remove the exhaust seal remove any hangers necessary to reposition the exhaust system.
  4. Reposition the exhaust system.
    Fig 1: Exhaust Manifold Pipe Stud Nuts
    G01704085Courtesy of GENERAL MOTORS CORP.
  5. Remove the exhaust manifold pipe gasket.
    Fig 2: Exhaust Manifold Pipe Gasket
    G01704086Courtesy of GENERAL MOTORS CORP.
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