High-Pressure Fuel Pump: Installation

WARNING: This page is about a different car, the 2015 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

1.

NOTE: Only rotate the crankshaft Clockwise (CW) or damage to the engine may occur.

NOTE: The drive lobe for the high-pressure fuel pump must be at BDC (bottom dead center) for the high-pressure fuel pump installation.

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

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2.

Apply clean engine oil to the high-pressure fuel pump mounting pedestal bore, the drive lobe and the roller tappet. Install the high-pressure fuel pump roller tappet.
Material

: Motorcraft® SAE 5W-30 Premium Synthetic Blend Motor Oil / XO-5W30-QSP (WSS-M2C946-A)

Courtesy of FORD MOTOR COMPANY

3.

Inspect the high-pressure fuel pump mounting plate seal and replace as needed. Lubricate the mounting plate seal with clean engine oil.
Material

: Motorcraft® SAE 5W-30 Premium Synthetic Blend Motor Oil / XO-5W30-QSP (WSS-M2C946-A)

Courtesy of FORD MOTOR COMPANY

4.

NOTE: Apply clean engine oil to the high-pressure fuel pump O-ring seals.

Install a new high-pressure fuel pump O-ring seal. Lubricate with clean engine oil.

Material

: Motorcraft® SAE 5W-30 Premium Synthetic Blend Motor Oil / XO-5W30-QSP (WSS-M2C946-A)

Courtesy of FORD MOTOR COMPANY

5.

NOTE: Apply clean engine oil to the high-pressure fuel pump mounting plate O-ring seals.

Inspect the high-pressure fuel pump mounting plate O-ring seals and replace as needed. Lubricate with clean engine oil.

Material

: Motorcraft® SAE 5W-30 Premium Synthetic Blend Motor Oil / XO-5W30-QSP (WSS-M2C946-A)

Courtesy of FORD MOTOR COMPANY

6.

NOTE: Make sure that new high-pressure fuel pump bolts are installed.

Install the high-pressure fuel pump mounting plate on to the high-pressure fuel pump. Install the new high-pressure fuel pump bolts.

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7.
- 1.
  
  Install the high-pressure fuel pump with the mounting plate, then install and finger tighten the new high-pressure fuel pump bolts. Finger tighten the mounting plate bolt. Alternately tighten each high-pressure fuel pump bolt one complete revolution until seated. Tighten the fuel high-pressure fuel pump bolts in the following 2 stages.
  Torque:
  
  Stage 1: 177 lb.in (20 Nm)
  
  Stage 2: 45°
- 2.
  
  Tighten the high-pressure fuel pump mounting plate bolt.
  Torque
  
  : 89 lb.in (10 Nm)

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8.

NOTE: Apply clean engine oil to the threads of the high-pressure fuel tube flare nut.

NOTE: Install the high-pressure fuel tube flare nut and the new high-pressure fuel tube bracket nut finger tight at this stage. Tighten in the stages shown in illustration.

NOTE: Make sure that a new high-pressure fuel tube bracket nut is installed.

NOTE: Calculate the correct torque wrench setting for the following torque using the Torque Wrench Adapter Formulas in Fig 1.
- 1.
  
  Tighten the high-pressure fuel tube to high-pressure fuel pump flare nut.
  Material
  
  : Motorcraft® SAE 5W-30 Premium Synthetic Blend Motor Oil / XO-5W30-QSP (WSS-M2C946-A)
  
  Torque:
  
  Stage 1: 133 lb.in (15 Nm)
  
  Stage 2: 45°
  
  Stage 3: 37 lb.ft (50 Nm)
- 2.
  
  Tighten the high-pressure fuel tube bracket nut.
  Torque
  
  : 71 lb.in (8 Nm)

Fig 1: Torque Wrench Adapter Formulas

Courtesy of FORD MOTOR CO.

Courtesy of FORD MOTOR COMPANY

9.

Connect the high-pressure fuel pump fuel feed tube quick release coupling. Refer to: QUICK RELEASE COUPLING .

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10.

Connect the high-pressure fuel pump electrical connector.

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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.

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12.

Connect the battery. Refer to: Battery Disconnect and Connect .

13.

Pressurize the fuel system. Refer to: FUEL SYSTEM PRESSURE RELEASE .

14.

Remove the oil filler cap and install the engine appearance cover. Install the oil filler cap.

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