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Home >> Chevrolet >> 2009 >> Chevy Express G1500, Van Cargo, 4.3 X >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.3L - Introduction >> Repair Instructions >> Knock Sensor 2 Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Engine Wiring Harness & 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: View Of Knock Sensor & Bolt
    GM1877020Courtesy of GENERAL MOTORS CORP.
  4. Remove the knock sensor bolt and sensor.
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