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Home › Chevrolet › 2012 › Chevy Express G1500, Van Cargo, 4.3L Eng VIN X › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 4.3L - Repair Instructions › Repair Instructions › Knock Sensor 1 Replacement › Removal Procedure

Removal Procedure

    Fig 1: Identifying Knock Sensor Wiring Harness Electrical Connector
    GM1950124Courtesy of GENERAL MOTORS COMPANY
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Reposition the knock sensor sleeve down, away from the knock sensor, if equipped.
  3. Disconnect the engine wiring harness electrical connector (1) from the knock sensor.
    4. Fig 2: View Of Knock Sensor & Bolt
    GM1877015Courtesy of GENERAL MOTORS COMPANY
  4. Remove the knock sensor bolt and sensor.
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