High-Pressure Fuel Pump: Installation

WARNING: This page is about a different variant/trim than selected.

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 drive lobe is at BDC.

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

: Motorcraft® SAE 5W-20 Synthetic Blend Motor Oil / XO-5W20-QSP (WSS-M2C945-A)

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

: Motorcraft® SAE 5W-20 Synthetic Blend Motor Oil / XO-5W20-QSP (WSS-M2C945-A)

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Install the high-pressure fuel pump and loosely install the 2 high-pressure fuel pump bolts, alternately tighten each bolt one half of a revolution until seated.
Torque

:Stage 1: 44 lb.in (5 Nm) Stage 2: 115 lb.in (13 Nm)

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NOTE: Make sure that a new component is installed.

NOTE: Only tighten the 2 high-pressure fuel tube flare nuts finger tight at this stage.

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

Install the new 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: 124 lb.in (14 Nm) Stage 2: 177 lb.in (20 Nm) Stage 3: 20°

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1. Connect the high-pressure fuel pump fuel feed tube quick release coupling Refer to: Quick Release Coupling .
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1. Connect the high-pressure fuel pump electrical connector.
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NOTE: Install all the bolts finger tight before final tightening.

Install the bracket and the bolts.

Torque

:1: 53 lb.in (6 Nm) 2: 106 lb.in (12 Nm)

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Install the air cleaner outlet pipe and then tighten the clamps
Torque

: 36 lb.in (4.1 Nm)

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Reconnect the negative battery cable. Refer to: Battery Disconnect and Connect .
Pressurize the fuel system. Refer to: Fuel System Pressure Release .