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Home › Hummer › 2009 › H2 4D Utility Pickup › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 6.2L - Introduction › Repair Instructions › Knock Sensor 2 Replacement › Removal Procedure

Removal Procedure

    Fig 1: View Of Engine Wiring Harness Electrical Connector & Components
    GM1698087Courtesy of GENERAL MOTORS CORP.
  1. Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the engine wiring harness electrical connector (2) from knock sensor.
    3. Fig 2: Right Side Knock Sensor & Bolt
    GM1402140Courtesy of GENERAL MOTORS CORP.
  3. Remove the knock sensor bolt (739) and knock sensor (718).
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