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Home >> Lincoln >> 2021 >> Aviator Base, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Charging And Controls - 3.0L ECOBOOST >> Removal And Installation >> Direct Injection Fuel Rail RH >> Removal
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Direct Injection Fuel Rail RH: Removal

  1. Release the fuel system pressure. Refer to: Fuel System Pressure Release .
  2. Disconnect the battery negative cable. Refer to: Battery Disconnect and Connect .
  3. Remove the cowl panel. Refer to: Cowl Panel .
  4. Remove the intake manifold. Refer to: Intake Manifold .
  5. NOTE: To release the fuel pressure in the fuel rail to fuel rail high-pressure fuel tube, wrap the fuel rail to fuel rail high-pressure fuel tube flare nuts with a shop towel to absorb any residual fuel pressure during the loosening of the fuel rail to fuel rail high-pressure fuel tube flare nuts.

    Disconnect the fuel rail to fuel rail high-pressure fuel tube flare nuts, then remove and discard the fuel rail to fuel rail high-pressure fuel tube.

    GFD531638Courtesy of FORD MOTOR COMPANY
  6. With hybrid engine only, remove the wire harness retaining nut and move the harness out of the way.
    GFD531443Courtesy of FORD MOTOR COMPANY
  7. Detach the coolant hose retainer.
    GFD531646Courtesy of FORD MOTOR COMPANY
  8. NOTE: When removing or installing the fuel injection pump noise insulator, spreading the openings will reduce the risk of damage.

    Remove the fuel injection pump noise insulator.

    GFD531647Courtesy of FORD MOTOR COMPANY
  9. NOTE: To release the fuel pressure in the high-pressure fuel tube, wrap the high-pressure fuel tube flare nuts with a shop towel to absorb any residual fuel pressure during the loosening of the high-pressure fuel tube flare nuts.

    Remove the high-pressure fuel tube bracket nuts. Disconnect the high-pressure fuel tube flare nuts, then remove and discard the high-pressure fuel tube.

    GFD531648Courtesy of FORD MOTOR COMPANY
  10. Disconnect the fuel injector harness retainer.
    GFD531649Courtesy of FORD MOTOR COMPANY
  11. Disconnect the fuel injector electrical connectors.
    GFD531650Courtesy of FORD MOTOR COMPANY
  12. NOTE: Pull out the fuel rails in the direction of the fuel injector axis or damage may occur to the fuel injectors.
    NOTE: Use compressed air and remove any dirt or foreign material from the cylinder head, block and general surrounding area of the fuel rail and injectors.
    NOTE: When removing the fuel rails, the fuel injectors may remain in the cylinder heads and require the use of a Fuel Injector Remover tool to extract. Wiggling the injector by hand to break it loose may allow the injector to be removed by hand.

    Remove the fuel rail bolts, then remove the fuel rail.

    GFD531651Courtesy of FORD MOTOR COMPANY
  13. Remove the fuel injectors from the fuel rail.
    GFD531652Courtesy of FORD MOTOR COMPANY
  14. Remove and discard the fuel injector clips.
    GFD531313Courtesy of FORD MOTOR COMPANY
  15. NOTE: Use minimal force to remove the fuel injectors that remained in the cylinder head with the Fuel Injector Remover tool or damage to the fuel injector assembly may occur. Wiggling the injector by hand to break it loose may allow the injector to be removed by hand.
    NOTE: Commercially available OTC 5028 8-1/2" long slide hammer may be substituted for 307-005 where there are clearance concerns.

    Using the special tools, remove any of the fuel injectors that remained in the cylinder head.

    Use Special Service Tool: 307-005 (T59L-100-B) Slide Hammer., 310-206 Remover, Fuel Injector.

    GFD531653Courtesy of FORD MOTOR COMPANY
  16. NOTE: Make sure to thoroughly clean any residual fuel or foreign material from the cylinder head, block and the general surrounding area of the fuel rails and injectors.
    NOTE: Do not use compressed air to clean the tip of the fuel injector.
    NOTE: Do not use a brush to clean the tip of the fuel injector.

    Using the special tool, clean the cylinder head fuel injector bores.

    Use Special Service Tool: 310-205 Fuel Injector Brush.

    GFD531654Courtesy of FORD MOTOR COMPANY
    1. Remove and discard the fuel injector O-ring seals.
    2. NOTE: Note the correct orientation of the fuel injector support rings for correct installation of the NEW fuel injector support rings.

      Remove and discard the fuel injector support rings.

    3. Inspect the inlet stopper, if it is damaged or comes off then discard the inlet stopper. The inlet stopper is not needed for proper function. Ensure that any debris from the inlet stopper are removed. If the inlet stopper is intact and undamaged do not remove the inlet stopper from the fuel injector.
    GFD531315Courtesy of FORD MOTOR COMPANY
  18. NOTE: Use care when removing the lower Teflon® seals, not to scratch, nick or gouge the fuel injector.
    NOTE: Do not attempt to cut the lower Teflon® seal without first pulling it away from the fuel injector or damage to the injector may occur.

    1. Pull the lower Teflon® seal away from the injector.
    2. Carefully cut and discard the lower fuel injector Teflon® seal.

GFD531316Courtesy of FORD MOTOR COMPANY
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