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Home › Chevrolet › 2011 › Chevy Express G1500, Van Cargo, 4.3 X › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 4.3L - Repair Instructions › Repair Instructions › Knock Sensor 2 Replacement › Removal Procedure

Removal Procedure

    Fig 1: Engine Wiring Harness And Components
    GM1877018Courtesy of GENERAL MOTORS CORP.
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Reposition the knock sensor sleeve (2) down, away from the knock sensor.
  3. Disconnect the engine wiring harness electrical connector from the knock sensor (1).
    4. Fig 2: Knock Sensor And Bolt
    GM1877020Courtesy of GENERAL MOTORS CORP.
  4. Remove the knock sensor bolt and sensor.
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