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Removal Procedure

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
  1. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
  2. If the vehicle is equipped with All-Wheel-Drive, remove the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT .
  3. Remove the catalytic converter nuts from the exhaust manifold studs.
    Fig 1: Removing Catalytic Converter Nuts From Exhaust Manifold Studs
    G01747752Courtesy of GENERAL MOTORS CORP.
  4. Remove the oxygen sensor. Refer to HEATED OXYGEN SENSOR .
  5. Remove the catalytic converter bolts.
  6. Remove the catalytic converter.
    Fig 2: Removing Catalytic Converter & Bolts
    G01747753Courtesy of GENERAL MOTORS CORP.
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