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Home >> Ford >> 2021 >> Explorer Limited Hybrid, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (Fuel Charging And Controls - 2.3L ECOBOOST (201KW/273PS)) >> Removal And Installation >> High-Pressure Fuel Pump >> Installation

High-Pressure Fuel Pump: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Inspect the high-pressure fuel pump roller tappet. If any flat spots or scoring are found, especially in the indicated areas, then inspect the high-pressure fuel pump and the high-pressure fuel pump roller tappet drive lobe. Install new components as needed.
    GFD513222Courtesy of FORD MOTOR COMPANY
  2. 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.

    Using the crankshaft pulley bolt, turn the crankshaft until the high-pressure fuel pump cam lobe is at BDC.

    GFD513223Courtesy of FORD MOTOR COMPANY
  3. Apply clean engine oil to the high-pressure fuel pump drive unit bore and the drive lobe and the roller tappet. Refer to: Specifications .
    GFD513224Courtesy of FORD MOTOR COMPANY
  4. NOTE: The roller tappet's roller goes down towards the camshaft.
    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 tappet.

    GFD513221Courtesy of FORD MOTOR COMPANY
  5. Apply clean engine oil to the new high-pressure fuel pump O-ring seal. Install a new high-pressure fuel pump O-ring seal. Refer to: Specifications .
    GFD513225Courtesy of FORD MOTOR COMPANY
  6. NOTE: Install new high-pressure fuel pump bolts.

    Install the high-pressure fuel pump and the new high-pressure fuel pump bolts. Alternately tighten each bolt 1/2 of a revolution until seated, then tighten in the following 2 stages.

    Torque: Stage 1: Tighten to: : 44 lb.in (5 Nm) - - Stage 2: Tighten an additional: : 55°

    GFD513226Courtesy of FORD MOTOR COMPANY
  7. Connect the high-pressure fuel pump fuel feed tube quick release coupling. Refer to: QUICK RELEASE COUPLING - 2.3L .
    GFD513218Courtesy of FORD MOTOR COMPANY
  8. NOTE: Make sure that a new high-pressure fuel tube is installed.

    1. Install the new high-pressure fuel tube and the bracket bolt and studbolt, then tighten the high pressure fuel tube flare nuts and the bracket bolt and studbolt only finger tight at this stage.
    2. Calculate the correct torque wrench setting for the following torque using the Torque Wrench Adapter Formulas below.
      G00468730Courtesy of FORD MOTOR COMPANY

      Torque: High pressure fuel tube flare nuts, : Stage 1: Tighten to: : 62 lb.in (7 Nm) - - Stage 2: Tighten to: : 89 lb.in (10 Nm) - - Stage 3: Tighten an additional: : 38° High-pressure fuel tube bracket bolt and studbolt, tighten to: : 97 lb.in (11 Nm)

    GFD513217Courtesy of FORD MOTOR COMPANY
  9. Install the bracket, then install and tighten the nuts.

    Torque: 97 lb.in (11 Nm)

    GFD513201Courtesy of FORD MOTOR COMPANY
  10. Connect the electrical connector, then attach the wiring harness retainers.
    GFD513200Courtesy of FORD MOTOR COMPANY
  11. 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.

    GFD513199Courtesy of FORD MOTOR COMPANY
  12. Connect the high-pressure fuel pump electrical connector and the sensor connector.
    GFD513198Courtesy of FORD MOTOR COMPANY
  13. Install the intake manifold. Refer to: Intake Manifold .
  14. Connect the battery. Refer to: Battery Disconnect and Connect .
  15. Pressurize the fuel system. Refer to: Fuel System Pressure Release .
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