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Home >> Pontiac >> 2004 >> GTO Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls -- 5.7L -- (Introduction) >> Repair Instructions >> Knock Sensor (KS) Replacement >> Removal Procedure
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Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Remove the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical-5.7L.
  3. Remove the wiring harness assembly for the knock sensor.
    Fig 1: Knock Sensor Wiring Harness Assembly
    GM54608Courtesy of GENERAL MOTORS CORP.
    4. Fig 2: Identifying Knock Sensors
    GM54612Courtesy of GENERAL MOTORS CORP.
  4. Remove the knock sensor.
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