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Home › Isuzu › 2004 › Ascender LS, 5.3 P, RWD › Repair and Diagnosis › Engine Performance › System › Engine Controls (Introduction) - 5.3L › Repair Instructions › Knock Sensor (KS) Replacement › Removal Procedure

Removal Procedure

    Fig 1: Knock Sensor Wiring Harness Assembly
    GM54608Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical - 4.8L, 5.3L, and 6.0L.
  2. Gently pry up the rubber covers.
  3. Disconnect the knock sensor electrical connectors.
    4. Fig 2: View Of Knock Sensors
    GM309864Courtesy of GENERAL MOTORS CORP.
  4. Remove the knock sensors.
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