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Home >> Ford >> 2023 >> Mustang Mach 1, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel Charging And Controls - 5.0L 32V Ti-VCT (359KW 486PS) (WU) 5.0L Ti-VCT V8 (343KW 466PS) (MF) - Mustang >> Removal And Installation >> Port Injection Fuel Rail >> Installation

Port Injection Fuel Rail: Installation

  1. NOTE: Make sure that new fuel injector O-ring seals are installed.
    NOTE: The fuel injector clip can be reused if it is not damaged during removal. If the clip is reused, the 2 sides of the clip should be squeezed back into shape by placing it between index finger and thumb.

    Install the new fuel injector O-ring seals and the fuel injector retaining clips onto the fuel injectors. Lubricate the new fuel injector O-ring seals with clean engine oil. Refer to: Specifications .

    GFD717737Courtesy of FORD MOTOR COMPANY
  2. NOTE: Position the fuel injector's so that the flat sides of the fuel rail injector cup is aligned with the flat side of the fuel injector retainer.

    Install the fuel injectors into the fuel rail.

    GFD717738Courtesy of FORD MOTOR COMPANY
  3. Install the fuel rail, then install and tighten the fuel rail retaining bolts in the following 2 stages.

    Torque: Stage 1: 89 lb.in (10 Nm) | Stage 2: 90°

    GFD717734Courtesy of FORD MOTOR COMPANY
  4. Connect the fuel injector electrical connectors and the fuel sensor electrical connector.
    GFD717733Courtesy of FORD MOTOR COMPANY
  5. Install the left and the right fuel rail insulators.
    GFD717732Courtesy of FORD MOTOR COMPANY
  6. Install the vacuum tube assembly aside.
    GFD717731Courtesy of FORD MOTOR COMPANY
  7. NOTE: The fuel high-pressure fuel pump supply tube must be installed with the 90 degree spring lock end installed to the port fuel rail; if it is installed backwards a check valve will prevent the engine from running properly.

    Connect fuel high-pressure fuel pump supply tube spring lock coupling. Refer to: Spring Lock Couplings .

    GFD717730Courtesy of FORD MOTOR COMPANY
  8. Connect the fuel supply tube quick release coupling. Follow the directions for the quick release coupling type 2. Refer to: Quick Release Coupling .
    GFD717729Courtesy of FORD MOTOR COMPANY
  9. Install the heater hose supports, then install and tighten the heater hose support nuts.

    Torque: 62 lb.in (7 Nm)

    GFD717728Courtesy of FORD MOTOR COMPANY
  10. If equipped, attach the wire harness retainers.
    GFD717727Courtesy of FORD MOTOR COMPANY
  11. Install the heater hoses.
    GFD717726Courtesy of FORD MOTOR COMPANY
  12. NOTE: The engine appearance cover rubber grommets may remain on the cover. If so, remove the grommets from the cover and install them on the intake manifold before installing the cover.

    Install the engine appearance cover, then install and tighten the engine appearance cover nuts.

    Torque: 35 lb.in (4 Nm)

    GFD717725Courtesy of FORD MOTOR COMPANY
  13. Install the engine appearance cover caps.
    GFD717724Courtesy of FORD MOTOR COMPANY
    1. Install the strut tower brace, then install and tighten the strut tower brace nuts.

      Torque: 41 lb.ft (55 Nm)

    2. If equipped with a strut tower cross brace, attach the wiring harness retainer.
    GFD717739Courtesy of FORD MOTOR COMPANY
  15. Connect the battery ground and positive cables. Refer to: Battery Disconnect and Connect .
  16. Pressurize the fuel system. Refer to: Fuel System Pressure Release .
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