High-Pressure Fuel Pump: Installation

WARNING: This page is about a different car, the 2018 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

Remove the fasteners and position the fender splash shield aside.

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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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Position the fender splash shield and install the retainers.

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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.

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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.

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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 deg.

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Connect the high-pressure fuel pump fuel feed tube quick release coupling. Refer to: Quick Release Coupling .

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

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 deg.

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Connect the high-pressure fuel pump electrical connector.

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Install the Charge Air Cooler (CAC) Intake Pipe - RH. Refer to: Charge Air Cooler (CAC) Intake Pipe .
Connect the battery. Refer to: Battery Disconnect and Connect .
Pressurize the fuel system. Refer to: Fuel System Pressure Release .