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Home >> Cadillac >> 2005 >> CTS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 5.7L - Introduction >> Repair Instructions >> Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1 >> Removal Procedure

Removal Procedure

    Fig 1: Removing HO2S
    GM1413524Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Cautions and Notices.
    NOTE: Refer to Excessive Force and Oxygen Sensor Notice in Cautions and Notices.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the heated oxygen sensor (HO2S) electrical connector.
  3. Remove any wire harness retainers and note the wire harness routing for reassembly.
  4. Carefully remove the HO2S (1).
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