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Home › Buick › 2004 › Century Base › Repair and Diagnosis › Engine Mechanical › Engine Exhaust System › Repair Instructions › Catalytic Converter Heat Shield Replacement › Removal Procedure

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. NOTE: Refer to Catalytic Converter Movement Notice in Cautions and Notices.
  2. Support the exhaust system.
  3. Remove the catalytic converter. Refer to Catalytic Converter Replacement (3.1L)  or Catalytic Converter Replacement (3.8L) .
    4. Fig 1: Locating Oxygen Sensor Wiring Harness
    GM195267Courtesy of GENERAL MOTORS CORP.
  4. Remove the oxygen sensor wiring harness (3) from the catalytic converter heat shield.
    5. Fig 2: View Of Catalytic Converter Heat Shield
    GM289490Courtesy of GENERAL MOTORS CORP.
  5. Remove the catalytic converter heat shield rivets.
  6. Remove the catalytic converter heat shield.
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