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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G3500, VAN CARGO, 4.8 VREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 4.3L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSCAMSHAFT POSITION (CMP) SENSOR REPLACEMENTREMOVAL PROCEDURE
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 V

Removal Procedure

2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 VSECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
    2. Fig 1: View Of Ignition Coil Wire At Distributor
    GM302854Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the spark plug wires and ignition coil wire from the distributor. Refer to Spark Plug Wire Replacement .
    3. Fig 2: Identifying Camshaft Position (CMP) Sensor Harness Connector
    GM302829Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the camshaft position (CMP) sensor harness connector from the distributor.
    4. Fig 3: View Of Distributor Cap Screws
    GM157984Courtesy of GENERAL MOTORS CORP.
  4. Remove the distributor cap screws.
    5. Fig 4: View Of Distributor Cap
    GM157986Courtesy of GENERAL MOTORS CORP.
  5. Remove the distributor cap.
    6. Fig 5: View Of Rotor Screws
    GM4354Courtesy of GENERAL MOTORS CORP.
  6. Remove the rotor screws.
    7. Fig 6: View Of Rotor
    GM156748Courtesy of GENERAL MOTORS CORP.
  7. Remove the rotor.
    8. Fig 7: View Of Square-Cut Hole In Vane Wheel
    GM156754Courtesy of GENERAL MOTORS CORP.
  8. Align the square slot in the reluctor wheel with the CMP sensor.
    9. Fig 8: View Of CMP Screws
    GM4341Courtesy of GENERAL MOTORS CORP.
  9. Remove the CMP screws.
    10. Fig 9: View Of CMP Sensor & Screws
    GM301398Courtesy of GENERAL MOTORS CORP.
  10. 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.