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.

NOTE: Align the notch on the high-pressure fuel pump tappet and with the groove in the high-pressure fuel pump drive unit bore.

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

Material

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

Courtesy of FORD MOTOR COMPANY

3.

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

Install a new high-pressure fuel pump O-ring seal and 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

4.

Install the high-pressure fuel pump, then install and finger tighten the high-pressure fuel pump nuts. Alternately tighten each of the high-pressure fuel pump nuts one complete revolution until seated. Then tighten the fuel high-pressure fuel pump nuts in the following 2 stages.
Torque:

Stage 1: 177 lb.in (20 Nm)

Stage 2: 45°

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5.

NOTE: Calculate the correct torque wrench setting for the following torque using the Torque Wrench Adapter Formulas in Fig 1.

NOTE: Make sure that a new high-pressure fuel pump-to-fuel rail high-pressure fuel tube is installed.

Install the high-pressure fuel pump-to-fuel rail high-pressure fuel tube and tighten the flare nuts finger tight, then tighten the flare nuts in the following 3 stages.

Torque:

Stage 1: 62 lb.in (7 Nm)

Stage 2: 89 lb.in (10 Nm)

Stage 3: 25°

Fig 1: Torque Wrench Adapter Formulas

Courtesy of FORD MOTOR CO.

Courtesy of FORD MOTOR COMPANY

6.

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

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7.

Connect the high-pressure fuel pump electrical connector.

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8.

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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9.

Install the intake manifold. Refer to: INTAKE MANIFOLD .

10.

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

11.

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