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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 2 >> Removal Procedure
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Removal Procedure

    Fig 1: Identifying Electrical Connector
    GM1608498Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the radiator air lower baffle and deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement .
  3. Disconnect the knock sensor electrical connector (2).
    4. Fig 2: Identifying Knock Sensor
    GM1587771Courtesy of GENERAL MOTORS CORP.
  4. Loosen and remove the knock sensor (2).
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