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Home › GMC › 2012 › Yukon Hybrid, 4WD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls/Fuel - Hybrid (LZ1) - Repair Instructions › Repair Instructions › Camshaft Position Sensor Replacement › Installation Procedure

Installation Procedure

    Fig 1: View Of CMP Sensor & O-ring Seal
    GM1965283Courtesy of GENERAL MOTORS COMPANY
  1. Inspect the CMP O-ring seal (2) for cuts or damage. If the seal is not damaged, it may be reused.
  2. Lubricate the O-ring seal with clean engine oil.
  3. Install the O-ring seal onto the sensor.
  4. Instal the CMP sensor (1) to the front cover.
    5. Fig 2: View Of CMP Sensor Wire Harness
    GM1965282Courtesy of GENERAL MOTORS COMPANY
  5. Install the CMP sensor wire harness (1).
    6. Fig 3: View Of CMP Sensor Wire Harness Electrical Connector Retainer
    GM1965280Courtesy of GENERAL MOTORS COMPANY
  6. Connect the CMP sensor wire harness electrical connector, ensure that the retainer (1) fully engages the CMP sensor.
  7. Raise and suitably support the vehicle.
    8. Fig 4: Locating CMP Sensor Wire Harness Bolts
    GM1965279Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  8. Install the 2 rear CMP sensor wire harness bolts (1).

    Tighten 

    Tighten the bolt to 12 N.m (106 lb in).

    9. Fig 5: View Of CMP Sensor Wire Harness Bolt
    GM1965277Courtesy of GENERAL MOTORS COMPANY
  9. Working through the crankshaft balancer opening, tighten the CMP sensor wire harness bolt (1) using a box wrench.
    10. Fig 6: View Of CMP Sensor Wire Harness Electrical Connector
    GM1965275Courtesy of GENERAL MOTORS COMPANY
  10. Connect the CMP sensor wire harness electrical connector (1) to the CMP actuator magnet.
    11. Fig 7: Locating CMP Sensor Wire Harness
    GM1965271Courtesy of GENERAL MOTORS COMPANY
  11. Connect the engine wiring harness electrical connector (3) to the CMP sensor wire harness.
  12. Install the engine shield. Refer to Engine Shield Replacement .
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