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Home › Chevrolet › 2011 › Impala LTZ › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 3.9L - Repair Instructions › Repair Instructions › Knock Sensor Replacement - Bank 1 › Removal Procedure

Removal Procedure

    Fig 1: Locating CKP Sensor Electrical Connector
    GM1612884Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the catalytic converter. Refer to Catalytic Converter Replacement (LGD/LZE) .
  3. Disconnect the knock sensor electrical connector (1).
    4. Fig 2: Identifying Knock Sensor
    GM1587771Courtesy of GENERAL MOTORS CORP.
  4. Loosen and remove the knock sensor (1).
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