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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 179 (Fuel Charging System & Fuel Control System - 3.5L-GTDI - F150) >> Removal And Installation >> Fuel Rail >> Removal

Fuel Rail: Removal

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.
WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.
WARNING: When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be ignited by hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.
WARNING: Before working on or disconnecting any of the fuel tubes or fuel system components, relieve the fuel system pressure to prevent accidental spraying of fuel. Fuel in the fuel system remains under high pressure, even when the engine is not running. Failure to follow this instruction may result in serious personal injury.
WARNING: Clean all fuel residue from the engine compartment. If not removed, fuel residue may ignite when the engine is returned to operation. Failure to follow this instruction may result in serious personal injury.
WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.
NOTE: A clean working environment is essential to prevent dirt or foreign material contamination.
  1. Release the fuel system pressure. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION .
  2. Remove the intake manifold. For additional information, refer to ENGINE - 3.5L GTDI .
  3. Remove the thermostat housing. For additional information, refer to ENGINE COOLING .
  4. Remove the coolant inlet pipe.
    • Remove and discard the coolant inlet pipe O-ring seals.
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  5. Remove the 3 bolts and position aside the coolant crossover assembly.
    • Remove and discard the 2 gaskets.
  6. Remove and discard the high pressure fuel tube bracket nut and the high pressure fuel tube bracket bolt. Disconnect the high pressure fuel tube flare nuts, remove and discard the high pressure fuel tube.
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  7. Detach the fuel injector wire harness retainers from the fuel rail.
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  8. Disconnect the fuel injector wire harness connectors and the fuel rail pressure sensor wire connector.
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  9. Detach the fuel injector wire harness electrical connector retainers and the fuel injector wire harness retainer from the fuel rail.
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    10. 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 cylinder heads, then the fuel injector electrical connectors will need to be disconnected as the fuel rail is being removed.
  10. Remove and discard the fuel rail bolts. Remove the fuel rails.
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  11. Disconnect the fuel injector electrical connectors.
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  12. Remove the fuel injectors from the fuel rail.
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  13. Remove and discard the fuel injector clips.
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    14. 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.
  14. Using the Fuel Injector Remover tool, remove any of the fuel injectors that remained in the cylinder head. Wiggling the injector by hand to break it loose may allow the injector to be removed by hand. Special Tool(s): Slide Hammer 307-005 (T59L-100-B) or equivalent and Remover, Fuel Injector 310-206.
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  15. 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 Fuel Injector Brush, clean the fuel injector bore in the cylinder head. Special Tool(s): 310-205.

    G09066819
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