Fuel Rail: 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.

NOTE: The upper and lower fuel injector O-ring seals are similar in appearance, but are not interchangeable.

NOTE: Make sure that new fuel injector O-ring seals are installed.

Install the new fuel injector O-ring seals and the fuel injector retaining clips onto the fuel injectors. Lubricate the new fuel injector O-ring seals 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 fuel injectors into the fuel rail.

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Install the fuel rail, then install and tighten the fuel rail retaining bolts.
Torque: 89 lb.in (10 Nm)

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Connect the fuel injector electrical connectors.

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Connect the fuel rail fuel feed tube spring lock coupling. Refer to: Spring Lock Couplings .

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Install the upper intake manifold. Refer to: Upper Intake Manifold .
Reconnect the battery. Refer to: Battery Disconnect and Connect .
Pressurize the fuel system. Refer to: Fuel System Pressure Release .