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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 LH >> Removal
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Direct Injection Fuel Rail LH: 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 high-pressure fuel tube.

    GFD531638Courtesy of FORD MOTOR COMPANY
  6. Disconnect the fuel injector harness retainer.
    GFD531639Courtesy of FORD MOTOR COMPANY
  7. Disconnect the fuel injector electrical connectors.
    GFD531640Courtesy of FORD MOTOR COMPANY
  8. 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, the block and the general surrounding area of the fuel rail and the 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.

    GFD531641Courtesy of FORD MOTOR COMPANY
  9. Remove the fuel injectors from the fuel rail.
    GFD531312Courtesy of FORD MOTOR COMPANY
  10. Remove and discard the fuel injector clips.
    GFD531313Courtesy of FORD MOTOR COMPANY
  11. 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.

    GFD531642Courtesy of FORD MOTOR COMPANY
  12. 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.

GFD531643Courtesy of FORD MOTOR COMPANY