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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Engine Control System & Fuel - 4.8L, 5.3L, 6.0L, Or 6.2L - Introduction (2 Of 2)) >> Repair Instructions >> Camshaft Position Sensor Replacement (RPOs LY6/L76/L92) >> Removal Procedure

Removal Procedure

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IMPORTANT: Clean the area around the camshaft position (CMP) sensor before removal in order to prevent debris from entering the engine.
    Fig 1: View Of Electrical Connector, Cable Channel Bolt & Pin
    GM1697734Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the engine wiring harness electrical connector (1) from the CMP sensor wire harness.
    3. Fig 2: View Of CMP Sensor Wire Harness & Bolts
    GM1658163Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The crankshaft harmonic balancer has been removed for illustration purposes only. Do not remove the balancer.
  3. Remove the 2 CMP sensor wire harness bolts (738).
  4. Loosen the top CMP sensor wire harness bolt using a box wrench through the harmonic balancer opening. Loosen the bolt 2 turns.
  5. Disconnect the CMP sensor wire harness electrical connectors from the CMP sensor and the CMP actuator magnet.
  6. Remove the CMP sensor wire harness (737).
    7. Fig 3: View Of CMP Sensor & O-Ring
    GM1658166Courtesy of GENERAL MOTORS CORP.
  7. Remove the CMP sensor (703) and O-ring seal (704).
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