2004 Chevrolet S10 PickupFACTORY OEM SERVICE PROCEDURE

Removal Procedure

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

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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