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Home › Buick › 2011 › Lucerne CX › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 3.9L - Repair Instructions › Repair Instructions › Knock Sensor Replacement - Bank 2 › Removal Procedure

Removal Procedure

    Fig 1: Identifying Electrical Connector
    GM1608498Courtesy of GENERAL MOTORS COMPANY
  1. Disconnect the knock sensor electrical connector (2).
    2. Fig 2: Identifying Knock Sensor
    GM1587771Courtesy of GENERAL MOTORS COMPANY
  2. Loosen and remove the knock sensor (2).
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