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HOMESERVICE MANUALSCHEVROLET2001C3500 HD 8.1 G, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1739 (ENGINE CONTROLS - 4.3L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSCAMSHAFT POSITION SENSOR REPLACEMENTREMOVAL PROCEDURE
2001 Chevrolet C3500 HD 8.1 G, Automatic

Removal Procedure

2001 Chevrolet C3500 HD 8.1 G, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2001 GMC Sierra and 2001 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Ignition Coil Wire At Distributor
    GM302854Courtesy of GENERAL MOTORS COMPANY
  1. Disconnect the spark plug wires and ignition coil wire from the distributor. Refer to Spark Plug Wire Replacement .
    2. Fig 2: Identifying Camshaft Position (CMP) Sensor Harness Connector
    GM302829Courtesy of GENERAL MOTORS COMPANY
  2. Disconnect the camshaft position (CMP) sensor harness connector from the distributor.
    3. Fig 3: View Of Distributor Cap Screws
    GM157984Courtesy of GENERAL MOTORS COMPANY
  3. Remove the distributor cap screws.
    4. Fig 4: View Of Distributor Cap
    GM157986Courtesy of GENERAL MOTORS COMPANY
  4. Remove the distributor cap.
    5. Fig 5: View Of Rotor Screws
    GM4354Courtesy of GENERAL MOTORS COMPANY
  5. Remove the rotor screws.
    6. Fig 6: View Of Rotor
    GM156748Courtesy of GENERAL MOTORS COMPANY
  6. Remove the rotor.
    7. Fig 7: View Of Square-Cut Hole In Vane Wheel
    GM156754Courtesy of GENERAL MOTORS COMPANY
  7. Align the square slot in the reluctor wheel with the CMP sensor.
    8. Fig 8: View Of CMP Screws
    GM4341Courtesy of GENERAL MOTORS COMPANY
  8. Remove the CMP screws.
    9. Fig 9: View Of CMP Sensor & Screws
    GM301398Courtesy of GENERAL MOTORS COMPANY
  9. Remove the CMP sensor.
RENDER: 1.0x

NO RELATED

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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.