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Direct Injection Fuel Rail LH: Removal

  1. Remove the direct injection fuel rail RH. Refer to: Direct Injection Fuel Rail RH .
  2. Disconnect the fuel injector main harness electrical connector.
    GFD859833Courtesy of FORD MOTOR COMPANY
    1. NOTE: To release the fuel pressure in the high-pressure fuel tube, wrap the flare nuts with a shop towel to absorb any residual fuel pressure during the loosening the flare nuts.
    2. Disconnect the flare nuts, then remove and discard the high-pressure fuel tube.
    GFD859834Courtesy of FORD MOTOR COMPANY
  4. NOTE: Pull out the fuel rails in the direction of the fuel injector axis or damage may occur to the fuel injectors.

    1. Use compressed air to remove any dirt or foreign material from the cylinder head, the engine block and the general surrounding area of the fuel rail and the fuel injectors.
    2. Remove the fuel rail bolts, then remove the fuel rail.

    • 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.

    GFD859835Courtesy of FORD MOTOR COMPANY
  5. Disconnect the fuel injector electrical connectors
    GFD859836Courtesy of FORD MOTOR COMPANY
  6. Remove the fuel injectors from the fuel rail.
    GFD859837Courtesy of FORD MOTOR COMPANY
  7. Remove and discard the fuel injector clips.
    GFD859838Courtesy of FORD MOTOR COMPANY
  8. 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.

    GFD859839Courtesy of FORD MOTOR COMPANY
  9. 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.

    1. 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.
    2. Using the special tool, clean the cylinder head fuel injector bores. Use Special Service Tool: 310-205 Fuel Injector Brush.

    GFD859452Courtesy of FORD MOTOR COMPANY
  10. NOTE: Note the correct orientation of the fuel injector support rings, to insure the correct installation of the new fuel injector support rings.

    • Remove and discard the fuel injector O-rings.

    • Remove and discard the fuel injector support rings.

    GFD859840Courtesy of FORD MOTOR COMPANY
  11. 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.

GFD859450Courtesy of FORD MOTOR COMPANY
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