only way to drain tank on f250 is to a, syphon fuel and remove tank b, disconect fuel supply line at tank
It is inside of the fuel tank.
I believe the steel tank is 18 U.S. gallons and the plastic tank is 19 U.S. gallons
In the fuel tank.
Mounted on top and inside the fuel tank.
it is in the fuel tank
35 Gals.?
If your f250 is fuel injected. It has three fuel pumps. One in each tank and one inside the frame rail under the drivers door.
In the tank(s)
26 Gallons
Try chemical in fuel tank available at auto parts
Gas or diesel? Actually the fuel pump is located in the fuel tank and the tank needs to come out of the truck for replacement