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Home >> Ford >> 2019 >> Mustang EcoBoost, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Charging And Controls - 2.3L ECOBOOST (231KW/314PS) >> Removal And Installation >> High-Pressure Fuel Pump >> Installation

High-Pressure Fuel Pump: Installation

  1. NOTE: Only rotate the crankshaft Clockwise (CW) or damage to the engine may occur.
    NOTE: The cam lobe for the high-pressure fuel pump must be at BDC for the high-pressure fuel pump installation.

    Rotate the camshaft as necessary until the cam lobe for the high-pressure fuel pump is at BDC.

    GFD388978Courtesy of FORD MOTOR COMPANY
  2. Lubricate the high-pressure fuel pump tappet and the high-pressure fuel pump drive unit bore with clean engine oil.
    GFD388979Courtesy of FORD MOTOR COMPANY
  3. NOTE: Align the notch on the high-pressure fuel pump tappet and with the groove in the high-pressure fuel pump drive unit bore.

    Install the high-pressure fuel pump drive tappet.

    GFD388980Courtesy of FORD MOTOR COMPANY
  4. Install a new high-pressure fuel pump O-ring seal and lubricate with clean engine oil
    GFD388981Courtesy of FORD MOTOR COMPANY
  5. NOTE: Make sure that new high-pressure fuel pump bolts are installed.

    Install the high-pressure fuel pump and loosely install the new high-pressure fuel pump bolts, alternately tighten each high-pressure fuel pump bolt one complete revolution until seated. Tighten the high-pressure fuel pump bolts in the following 2 stages.

    Torque:Stage 1: 44 lb.in (5 Nm) | Stage 2: 55 deg.

    GFD388982Courtesy of FORD MOTOR COMPANY
  6. Install the high-pressure fuel pump bracket, then install and tighten the high-pressure fuel pump bracket bolts.

    Torque: 150 lb.in (17 Nm)

    GFD388973Courtesy of FORD MOTOR COMPANY
    1. NOTE: Make sure that a new high-pressure fuel tube is installed.

      Install the new high-pressure fuel tube, then install the high-pressure fuel tube flare nuts, the high-pressure fuel tube bracket bolt and the high-pressure fuel tube bracket nut finger tight at this stage.

    2. NOTE: Calculate the correct torque wrench setting for the following torque using the Torque Wrench Adapter Formulas.

      Tighten the high-pressure fuel tube flare nuts in the following 3 stages.

      Torque:Stage 1: 62 lb.in (7 Nm) | Stage 2: 133 lb.in (15 Nm) | Stage 3: 30 deg.

    3. Tighten the high-pressure fuel tube bracket nut.

      Torque: 150 lb.in (17 Nm)

    4. Tighten the high-pressure fuel tube bracket bolt.

      Torque: 89 lb.in (10 Nm)

    GFD388983Courtesy of FORD MOTOR COMPANY
  7. Install the high-pressure fuel pump drive unit noise insulator and install the brake vacuum pump noise insulator. Install the high-pressure fuel pump drive unit noise insulator retainer, install the brake vacuum pump noise insulator retainer and install the wire harness retainer.
    GFD388971Courtesy of FORD MOTOR COMPANY
  8. Connect the HO2S electrical connector retainer to the high-pressure fuel pump bracket.
    GFD388970Courtesy of FORD MOTOR COMPANY
  9. Connect the high-pressure fuel pump fuel supply hose. Refer to: Quick Release Coupling .
    GFD388969Courtesy of FORD MOTOR COMPANY
  10. NOTE: When removing or installing the high-pressure fuel pump noise insulator, spreading the openings will reduce the risk of damage.

    Install the high-pressure fuel pump noise insulator.

    GFD388968Courtesy of FORD MOTOR COMPANY
  11. Connect the high-pressure fuel pump electrical connector.
    GFD388967Courtesy of FORD MOTOR COMPANY
  12. Install the engine appearance cover, then install and tighten the engine appearance cover retaining nuts.

    Torque: 80 lb.in (9 Nm)

    GFD388966Courtesy of FORD MOTOR COMPANY
  13. If equipped, install the strut tower cross brace and the new nuts.

    Torque: 41 lb.ft (55 Nm)

    GFD388984Courtesy of FORD MOTOR COMPANY
  14. If equipped with strut tower cross brace, position the positive battery cable and attach the wiring harness retainer.
    GFD388964Courtesy of FORD MOTOR COMPANY
  15. Connect the negative and positive battery cables. Refer to: Battery Disconnect and Connect .
  16. Pressurize the fuel system. Refer to: Fuel System Pressure Release .