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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 409 (Engine Controls - 4.3L (Introduction)) >> Repair Instructions >> Camshaft Position (CMP) Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Do not use the old cap, CMP sensor, and rotor screws. Use the replacement screws that have been coated with a threadlock compound.
  1. Insert the CMP sensor in the reluctor wheel slot.
    2. Fig 1: View Of CMP Sensor & Screws
    GM301398Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install NEW CMP screws.

    Tighten:  Tighten the screws to 2.2 N.m (19 lb in).

    3. Fig 2: View Of CMP Screws
    GM4341Courtesy of GENERAL MOTORS CORP.
  3. Install the rotor.
    4. Fig 3: View Of Rotor
    GM156748Courtesy of GENERAL MOTORS CORP.
  4. Install NEW rotor screws.

    Tighten:  Tighten the screws to 2 N.m (18 lb in).

    5. Fig 4: View Of Rotor Screws
    GM4354Courtesy of GENERAL MOTORS CORP.
  5. Install the distributor cap.
    6. Fig 5: View Of Distributor Cap
    GM157986Courtesy of GENERAL MOTORS CORP.
  6. Install NEW distributor cap screws.

    Tighten:  Tighten the screws to 2.4 N.m (21 lb in).

    7. Fig 6: View Of Distributor Cap Screws
    GM157984Courtesy of GENERAL MOTORS CORP.
  7. Connect the CMP sensor electrical connector (2).
    8. Fig 7: View Of Ground Strap And CMP & Fuel Pump/Oil Pressure Sensor Connectors
    GM782680Courtesy of GENERAL MOTORS CORP.
  8. Connect the spark plug wires and ignition coil wire to the distributor.
    9. Fig 8: View Of Ignition Coil Wire At Distributor
    GM302854Courtesy of GENERAL MOTORS CORP.
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