Direct Injection Fuel Rail LH: Removal

WARNING: This page is about a different car, the 2021 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

Release the fuel system pressure. Refer to: Fuel System Pressure Release
Remove the intake manifold. Refer to: Intake Manifold
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.

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

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Disconnect the electrical connectors.

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Remove the insulators.

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Disconnect the fuel injector electrical connectors.

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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: 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.

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

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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.

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: 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.

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

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