Direct Injection Fuel Rail LH: Removal

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the high-pressure fuel pump electrical connector.

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NOTE: When removing or installing the high-pressure fuel pump noise insulator, spreading the openings will reduce the risk of damage.

Remove the high-pressure fuel pump noise insulator.

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Remove the lower intake manifold. Refer to: Lower Intake Manifold .
Remove the left front fender splash shield. Refer to: Fender Splash Shield .
Detach the harness retainer.

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NOTE: To release the fuel pressure in the high-pressure fuel tube, wrap the high-pressure fuel tube flare nuts with a shop towel to absorb any residual fuel pressure during the loosening of the high-pressure fuel tube flare nuts.

Remove and discard the high-pressure fuel tube retaining nut. Disconnect the high-pressure fuel tube flare nuts, then remove and discard the high-pressure fuel tube.

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Release the electrical connector retainer from the cylinder head. Disconnect the fuel injector main harness electrical connector.

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Disconnect the high-pressure fuel tube flare nuts, then remove and discard the high-pressure fuel tube.

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NOTE: Pull out the fuel rails in the direction of the fuel injector axis or damage may occur to the fuel injectors.

NOTE: Use compressed air and remove any dirt or foreign material from the cylinder head, block and general surrounding area of the fuel rail and injectors.

NOTE: When removing the fuel rails, the fuel injectors may remain in the cylinder heads and require the use of a Fuel Injector Remover tool to extract. Wiggling the injector by hand to break it loose may allow the injector to be removed by hand.

NOTE: Should any of the fuel injectors remain in the head, then the fuel injector electrical connectors will need to be disconnected as the fuel rail is being removed.

Remove the fuel rail bolts, then remove the fuel rail.

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Disconnect the fuel injector electrical connectors.

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Remove the fuel injectors from the fuel rail.

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Remove and discard the fuel injector clips.

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NOTE: Use minimal force to remove the fuel injectors that remained in the cylinder head with the Fuel Injector Remover tool or damage to the fuel injector assembly may occur. Wiggling the injector by hand to break it loose may allow the injector to be removed by hand.

NOTE: Commercially available OTC 5028 8-1/2" long slide hammer may be substituted for 307-005 where there are clearance concerns.

Using the special tools, remove any of the fuel injectors that remained in the cylinder head. Use Special Service Tool: 307-005 (T59L-100-B) Slide Hammer., 310-206 Remover, Fuel Injector.

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NOTE: Make sure to thoroughly clean any residual fuel or foreign material from the cylinder head, block and the general surrounding area of the fuel rails and injectors.

NOTE: Do not use compressed air to clean the tip of the fuel injector.

NOTE: Do not use a brush to clean the tip of the fuel injector.

Using the special tool, clean the cylinder head fuel injector bores. Use Special Service Tool: 310-205 Fuel Injector Brush.

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