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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 678 (ENGINE CONTROLS - 4.3L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSCAMSHAFT POSITION (CMP) SENSOR REPLACEMENTREMOVAL PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal Procedure
WARNING: This page is about a different car, the 2006 GMC Sierra and 2006 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the ignition coil wire from the distributor.
  2. Remove the spark plug wires from the distributor.
    Fig 1: Removing Spark Plug Wires At Distributor
    GM302854Courtesy of GENERAL MOTORS CORP.
    1. Twist the spark plug wire boot 1/2 turn.
    2. Pull only on the boot or use a tool designed for this purpose in order to remove the wires from the distributor.
  3. Disconnect the camshaft position (CMP) sensor electrical connector (2).
    Fig 2: View Of Ground Strap And CMP & Fuel Pump/Oil Pressure Sensor Connectors
    GM782680Courtesy of GENERAL MOTORS CORP.
  4. Remove the distributor cap screws.
    Fig 3: Removing Distributor Cap Screws
    GM157984Courtesy of GENERAL MOTORS CORP.
  5. Remove the distributor cap.
    Fig 4: Removing Distributor Cap
    GM157986Courtesy of GENERAL MOTORS CORP.
  6. Remove the rotor screws.
    Fig 5: Removing Rotor Screws
    GM4354Courtesy of GENERAL MOTORS CORP.
  7. Remove the rotor.
    Fig 6: Removing Rotor
    GM156748Courtesy of GENERAL MOTORS CORP.
  8. Align the square slot in the reluctor wheel with the CMP sensor.
    Fig 7: Aligning Square Slot With CMP Sensor
    GM156754Courtesy of GENERAL MOTORS CORP.
  9. Remove the CMP screws.
    Fig 8: Removing CMP Screws
    GM4341Courtesy of GENERAL MOTORS CORP.
  10. Remove the CMP sensor.
    Fig 9: View Of CMP Sensor & Screws
    GM301398Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.