Fuel Rail: Removal

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

Release the fuel system pressure. Refer to: Fuel System Pressure Release .
Disconnect the battery negative cable. Refer to: Battery Disconnect and Connect .
Remove the Ignition Coil-On-Plugs. Refer to: Ignition Coil-On-Plug .
NOTE: To release the fuel pressure in the high-pressure fuel pump-to-fuel rail high-pressure fuel tube, wrap the high-pressure fuel pump flare nut with a shop towel to absorb any residual fuel pressure during the loosening of high-pressure fuel pump flare nut.

Remove and discard the high-pressure fuel pump-to-fuel rail high-pressure fuel tube.

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

NOTE: When removing the fuel rails, the fuel injectors may remain in the cylinder head and require the use of a Fuel Injector Remover tool to extract.

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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Using the special tools, remove any of the fuel injectors that remained in the cylinder head.
1. Use Special Service Tool: 307-005 (T59L-100-B) Slide Hammer.
2. Use Special Service Tool: 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 the fuel 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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NOTE: Note the correct orientation of the fuel injector support rings for correct installation of the fuel injector support rings.

Remove and discard the fuel injector O-rings. Remove and discard the fuel injector support rings.

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NOTE: Use care when removing the lower Teflon® seals, not to scratch, nick or gouge the fuel injectors.

NOTE: Do not attempt to cut the lower Teflon® seal without first pulling it away from the fuel injector or damage to the injector may occur.
1. Pull the lower Teflon® seal away from the injector with narrow tip pliers.
2. Carefully cut, remove and discard the lower fuel injector Teflon® seals.

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