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Home >> GMC >> 2004 >> Sierra 2500 HD, 2D Pickup, 8.1 G, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L (Introduction) >> Repair Instructions >> Camshaft Position (CMP) Sensor Replacement >> Installation Procedure

Installation Procedure

IMPORTANT: Inspect the CMP sensor O-ring for wear or damage. If a problem is found, replace the O-ring. Lubricate the new O-ring with engine oil before installing.
  1. Install the CMP sensor.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 1: CMP Sensor And Bolt
    GM858218Courtesy of GENERAL MOTORS CORP.
  2. Install the CMP sensor bolt.

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

    3. Fig 2: CMP Sensor Electrical Connector
    GM750902Courtesy of GENERAL MOTORS CORP.
  3. Connect the CMP sensor electrical connector (1).
    4. Fig 3: View Of Engine Protection Shield
    GM349061Courtesy of GENERAL MOTORS CORP.
  4. Install the engine shield and bolts, if equipped.

    Tighten:  Tighten the bolt to 20 N.m (15 lb ft).

  5. Lower the vehicle.
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