How do you drain a water separator on a Ford f250?
2017-2021 ford F250 water in Fuel filter Separator draining procedure.
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Draining the Fuel Filter Water Trap - 6.7L Diesel.
Cab Type | Fuel Tank Type | Filter Location |
---|---|---|
Chassis Cab. | Aft axle/midship fuel tanks | Right side of midship fuel tank. |
You should drain water from the module assembly whenever the warning light illuminates or a message appears in the information display advising you to drain the water separator. This occurs when approximately 200 ml of water accumulates in the module.
Although filters can collect water/ debris , in a hurry if you get a bad load of fuel , regular changes may have prevented your issue. Drain the water separator with the engine off , into a clear container to check for water , if you drain a few ounces and don't see water in the bottom under the fuel, your done.
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The diesel/water separation is accomplished by a filter, in which the diesel flows through the filter media.
Should You Pre Fill A Boat Fuel Filter or Water Separator? Yes, pre-filling a boat's fuel filter or water separator is a great habit. You won't cause any harm to the engine and it will make your engines fuel lift pumps job much easier. This eliminates the introduction of a large amount of air into the fuel system.
How often should you change the fuel filter on a 6.7 Powerstroke?
In general, it is recommended to change the fuel filter every 15,000 to 25,000 miles or every 12 months on a 6.7 Powerstroke, whichever comes first. If you drive your truck frequently and there is a lot of dirt and debris in the fuel system, then you may need to change the fuel filter more often.
Prime the fuel system by turning the ignition on (Run position) for 30 seconds, but do not start the engine. This allows the pump to prime the system. Turn the ignition off, and then crank it for 15 seconds. If it does not start, repeat the first task and this one until it starts (cycle the key).

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The principle behind this filtration system is surprisingly simple; the top of the filter consists of a paper element and the bottom of the filter is a holding tank or bowl. Since water is heavier than petrol, water sinks to the bottom of the filter where it stays until it is emptied.
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