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Home >> Ford >> 2004 >> Excursion 6.8 S, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Fuel Delivery >> Fuel Tank & Fuel Lines - Gasoline & Diesel - Excursion & F250-F550 Super Duty >> Removal And Installation >> Fuel Tank - Auxiliary, Diesel >> Removal and Installation

Removal and Installation

WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related component. Highly flammable mixtures are always present and may be ignited, resulting in possible personal injury.
WARNING: Fuel in the fuel system remains under high pressure even when the engine is not running. Before repairing or disconnecting any of the fuel lines or fuel system components, the fuel system pressure must be relieved to prevent accidental spraying of fuel, causing personal injury or a fire hazard.
  1. Disconnect the battery ground cable. Refer to BATTERY, MOUNTING AND CABLES .
  2. Relieve the fuel pressure. Refer to FUEL SYSTEM-GENERAL INFORMATION - GASOLINE & DIESEL .
  3. Drain the fuel from the fuel tank (9002). Refer to FUEL SYSTEM-GENERAL INFORMATION - GASOLINE & DIESEL .
  4. Raise and support the vehicle. Refer to JACKING & LIFTING .
  5. Disconnect the fuel tank filler pipe and the filler pipe vent tube.
    Fig 1: Disconnecting Fuel Tank Filler Pipe
    G02777007Courtesy of FORD MOTOR CO.
  6. Securely support the fuel tank.
    Fig 2: Supporting Fuel Tank
    G02777008Courtesy of FORD MOTOR CO.
  7. Remove the fuel tank straps.
    1. Remove the fuel tank strap bolts.
    2. Remove the fuel tank strap nuts and washers.
    3. Remove the fuel tank straps.
  8. Partially lower the fuel tank.
    Fig 3: Removing Fuel Tank Straps
    G02777009Courtesy of FORD MOTOR CO.
  9. Disconnect the fuel lines. Refer to FUEL SYSTEM-GENERAL INFORMATION - GASOLINE & DIESEL .
  10. Disconnect the fuel tank sending unit electrical connector.
    Fig 4: Disconnecting Fuel Tank Sending Unit Electrical Connector
    G02777010Courtesy of FORD MOTOR CO.
  11. Disconnect the hose(s) from the evaporative emission valve.
    Fig 5: Disconnecting Hose(s) From Evaporative Emission Valve
    G02777011Courtesy of FORD MOTOR CO.
  12. Disconnect the fuel tank pressure sensor electrical connector.
    Fig 6: Disconnecting Fuel Tank Pressure Sensor Electrical Connector
    G02777012Courtesy of FORD MOTOR CO.
  13. Lower the fuel tank.
    Fig 7: Removing Fuel Tank
    G02777013Courtesy of FORD MOTOR CO.
  14. If a new fuel tank is being installed, transfer the fuel tank sending unit, the evaporative emission valves and the fuel tank pressure sensor to the new fuel tank.
  15. To install, reverse the removal procedure.