F 550 2WD Super Duty V10-6.8L (2009)
Fuel Level Sensor: Service and Repair
Fuel Level Sensor - Steel Fuel Tank
Fuel Level Sensor - Steel Fuel Tank
NOTE: Aft-of-axle fuel tank shown, auxiliary fuel tank similar.
Removal and Installation
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: 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.
NOTE: This procedure is for diesel applications only.
1. NOTE: The fuel tank must be drained completely. Upon removal of the fuel level sensor, the tank must be inspected for contamination.
Remove the fuel tank. For additional information, refer to Fuel Tank - Aft-of-Axle See: Fuel Delivery and Air Induction/Fuel Tank/Service and
Repair/Removal and Replacement/Fuel Tank - Aft-of-Axle or Fuel Tank - Auxiliary See: Fuel Delivery and Air Induction/Fuel Tank/Service and
Repair/Removal and Replacement/Fuel Tank - Auxiliary.
2. NOTICE: Clean the fuel tank of any dirt or foreign material before servicing the fuel level sensor. In extreme dirt or dusty conditions it
may be necessary to wash the fuel tank using a water hose. Before removing the fuel level sensor, make sure that there is no residual dirt
or foreign material around the fuel level sensor flange. If dirt or foreign material enter the fuel tank, damage to the fuel level sensor or
other fuel system components may occur.
Clean the area around the fuel level sensor mounting flange.
3. NOTE: Mark the orientation of the fuel level sensor on the fuel tank to aid in installation.
Remove the 6 bolts from the fuel level sensor.
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To install, tighten to 10 Nm (89 lb-in).
4. NOTICE: The fuel level sensor must be handled carefully to avoid damage to the float arm.
Completely remove the fuel level sensor from the fuel tank.
5. NOTE: Inspect the surfaces of the fuel level sensor flange and fuel tank gasket contact surfaces. Do not polish or adjust the gasket contact area of
