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Home >> Chevrolet >> 2004 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 4.3L - Introduction >> Repair Instructions >> Camshaft Position (CMP) Sensor Replacement >> Removal Procedure
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Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  2. Disconnect the spark plug wires and ignition coil wire from the distributor. Refer to Spark Plug Wire Replacement .
    Fig 1: View Of Spark Plug Wires & Ignition Coil Wire
    GM302854Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the camshaft position (CMP) sensor harness connector from the distributor.
    Fig 2: Identifying Camshaft Position (CMP) Sensor Harness Connector
    GM302829Courtesy of GENERAL MOTORS CORP.
  4. Remove the distributor cap screws.
    Fig 3: Locating Distributor Cap Screws
    GM157984Courtesy of GENERAL MOTORS CORP.
  5. Fig 4: Distributor Cap View
    GM157986Courtesy of GENERAL MOTORS CORP.
  6. Remove the distributor cap.
  7. Remove the rotor screws.
    Fig 5: View Of Distributor Rotor Screws
    GM4354Courtesy of GENERAL MOTORS CORP.
  8. Remove the rotor.
    Fig 6: Expanded View Of Distributor Rotor
    GM156748Courtesy of GENERAL MOTORS CORP.
  9. Align the square slot in the reluctor wheel with the CMP sensor.
    Fig 7: Identifying Square-Cut Hole In Vane/Reluctor Wheel
    GM156754Courtesy of GENERAL MOTORS CORP.
  10. Remove the CMP screws.
    Fig 8: View Of CMP Screws
    GM4341Courtesy of GENERAL MOTORS CORP.
  11. Remove the CMP sensor.
    Fig 9: View Of CMP Sensor & Screws
    GM301398Courtesy of GENERAL MOTORS CORP.