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Removal Procedure

    Fig 1: Exhaust Manifold Pipe Stud
    GM260064Courtesy of GENERAL MOTORS CORP.
  1. Raise and suitably support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Disconnect the heated oxygen sensor connector.
  3. Remove the exhaust manifold pipe nuts from the exhaust manifold pipe studs.
    4. Fig 2: View Of Catalytic Converter Mounting Nuts
    GM212193Courtesy of GENERAL MOTORS CORP.
  4. Remove the catalytic converter nuts from the exhaust pipe.
  5. Remove the 3-way catalytic converter.
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