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Home >> Buick >> 2012 >> Enclave AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 3.6L - Repair Instructions >> Repair Instructions >> Knock Sensor Replacement - Bank 2 >> Removal Procedure
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Removal Procedure

    Fig 1: Identifying Engine Wiring Harness Electrical Connector
    GM1860484Courtesy of GENERAL MOTORS COMPANY
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the engine oil filter. Refer to Engine Oil And Oil Filter Replacement .
  3. Lower the vehicle.
  4. Disconnect the engine wiring harness electrical connector (2) from the bank 2 knock sensor (3).
    5. Fig 2: View Of Left Knock Sensor
    GM860802Courtesy of GENERAL MOTORS COMPANY
  5. Loosen the knock sensor bolt and remove the knock sensor.
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