Port Injection Fuel Rail: Installation
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
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NOTE: Make sure that new fuel injector O-ring seals are installed.NOTE: The upper and lower fuel injector O-ring seals are similar in appearance, but are not interchangeable.
Install the new fuel injector O-ring seals. Lubricate the new fuel injector O-ring seals with clean engine oil. Refer to: Specifications .
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NOTE: The fuel injector clip can be reused if it is not damaged during removal. If the clip is reused, the 2 sides of the clip should be squeezed back into shape by placing it between index finger and thumb.
- Install the fuel injectors into the fuel rail.
- Install the fuel injector retaining clips.
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NOTE: Some models may be equipped with hex head bolts.
Install the fuel rail, then install and tighten the fuel rail retaining bolts in the following 2 stages.
Torque
:Stage 1: Tighten to: : 89 lb.in (10 Nm)
Stage 2: Tighten an additional: : 45°
- Connect the fuel injector electrical connectors.
- If equipped, install the right and left fuel rail insulators.
- Connect the electrical connector.
- Connect the fuel rail fuel tube quick release couplings. Refer to: Quick Release Coupling
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- Install the upper intake manifold. Refer to: Upper Intake Manifold .
- Connect the battery negative cable. Refer to: Battery Disconnect and Connect .
- Pressurize the fuel system. Refer to: Fuel System Pressure Release .