Draining The Dfcm - Ford Diesel 2011 Supplement Manual

Maintenance and Specifications
Water should be drained from the
module assembly whenever the
warning light comes on and the
message center directs you to drain
the water separator. This will occur when approximately 0.32 pints (150
ml) of water accumulates in the module. If water level is allowed to
exceed this level, the water may be passed through to the engine and
may cause fuel injection equipment damage.

Draining the DFCM

1. Stop the vehicle and shut off the engine.
WARNING: The vehicle must be stopped with the engine off
when draining the DFCM. Fuel may ignite if the separator is
drained while the engine is running or vehicle is moving.
Note: Air will enter into the fuel system if the DFCM is drained while
the system is running. The engine will not operate properly if air enters
the system.
2. Locate the DFCM and place an appropriate container under the drain
port (see illustration).
3. Rotate the drain counterclockwise
until the O-ring is visible. Allow the
DFCM to drain for approximately
25 seconds or until clean fuel is
observed. Rotate the drain clockwise
to tighten it.
4. Make sure that the drain valve is fully tightened, then remove the
container from under the vehicle.
Note: A loose drain valve can allow air to enter the fuel system and
cause drivetrain issues. The engine will not operate properly. be sure
that the drain valve is fully tightened.
5. Restart the engine. The WATER IN FUEL DRAIN FILTER or
WATER IN FUEL DRAIN FILTER SEE MANUAL message and light
should not be illuminated. If they continues to illuminate, have the fuel
system checked and repaired.
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2011 Diesel (eco)
Supplement, 5th Printing
USA (fus)