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Home >> Chevrolet >> 2012 >> Chevy Express H1500, Van Cargo >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 4.8L, 5.3L, 6.0L - Repair Instructions >> Repair Instructions >> Fuel Tank Fuel Pump Module Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Fuel Sender
    GM331709Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    In order to reduce the risk of fire and personal injury that may result from a fuel leak, always replace the fuel sender gasket when reinstalling the fuel sender assembly.

  1. Install the new seal on the fuel tank.
  2. NOTE:

    The fuel strainer must be in a horizontal position when the fuel sender is installed in the tank. When installing the fuel sender assembly, assure that the fuel strainer does not block full travel of the float arm.

  3. Install the fuel sender assembly into the fuel tank.
  4. Fig 2: Identifying Lock Ring
    GM1642096Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Always replace the fuel sender seal when installing the fuel sender assembly. Replace the lock ring if necessary. DO NOT apply any type of lubrication in the seal groove.

    Ensure the lock ring is installed with the correct side facing upward. A correctly installed lock ring will only turn in a clockwise direction.

  5. Use the J 45722 in order to install the fuel sender lock ring. Turn the fuel sender lock ring in a clockwise direction.
  6. Install the fuel tank. Refer to Fuel Tank Replacement (Cutaway Van Rear Tank) , Fuel Tank Replacement (Cutaway Van Side Tank) , Fuel Tank Replacement (Passenger/Cargo) .
  7. Refill the fuel tank.
  8. Tighten the fuel filler cap.
  9. Connect the negative battery cable.
  10. Inspect for leaks:
    1. Turn ON the ignition for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition .
    4. Inspect for fuel leaks.