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Home >> Saturn >> 2007 >> Relay 3.9 1 >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Catalytic Converter Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Disconnecting/Connecting HO2S Electrical Connector
    GM1681413Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the heated oxygen sensor (HO2S) electrical connector.
  3. Position the jackstand under the muffler for support.
    4. Fig 2: Exhaust Manifold Pipe Stud
    GM260064Courtesy of GENERAL MOTORS CORP.
  4. Remove the exhaust manifold to catalytic converter nuts.
    5. Fig 3: Removing/Installing Catalytic Converter To Muffler Nuts
    GM1681430Courtesy of GENERAL MOTORS CORP.
  5. Remove the catalytic converter to muffler nuts.
  6. Disengage the converter from the hanger.
    7. Fig 4: Identifying Catalytic Converter (FWD)
    GM1681406Courtesy of GENERAL MOTORS CORP.
  7. Remove the catalytic converter.
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