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Home >> Chevrolet >> 2011 >> Malibu LS, 2.4 1 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.4L - Repair Instructions >> Repair Instructions >> Knock Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Identifying Engine Wiring Harness Electrical Connectors
    GM1890235Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LE5, LE9, LY7) .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Disconnect the engine wiring harness electrical connector (1) from the knock sensor pigtail electrical connector (6).
  4. Remove the knock sensor electrical connector pigtail (6) clip from the oil level indicator tube bracket.
  5. Fig 2: Identifying Knock Sensor
    GM1578476Courtesy of GENERAL MOTORS CORP.
  6. Remove the knock sensor bolt.
  7. Remove the knock sensor.