FixVault

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 - 5.3L.
  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.
  5. Remove the knock sensors.