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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 1 Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Knock Sensor Wiring Harness Electrical Connector
    GM1950124Courtesy of GENERAL MOTORS CORP.
  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: Knock Sensor And Bolt
    GM1877015Courtesy of GENERAL MOTORS CORP.
  4. Remove the knock sensor bolt and sensor.
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