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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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