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CAUTION!
•
Do not drain the fuel/water separator filter when
the engine is running.
•
Diesel fuel will damage blacktop paving surfaces.
Drain the filter into an appropriate container.
If water is detected in the water separator while the
engine is running, or while the ignition switch is in the
ON position, the "Water In Fuel Indicator Light" will illu-
minate and an audible chime will be heard five times.
At this point you should stop the engine and drain the
water from both of the filters.
CAUTION!
If the "Water In Fuel Indicator Light" remains on, DO
NOT START the engine before you drain water from
the fuel filters to avoid engine damage.
If the "Water In Fuel Indicator Light" comes on and a
single chime is heard while you are driving, or with the
ignition switch in the ON position, there may be a prob-
lem with your water separator wiring or sensor. See an
authorized dealer for service.
Upon proper draining of the water from both fuel filters,
the "Water In Fuel Indicator Light" will remain illumi-
nated for approximately 10 seconds. If the water was
drained while the engine was running, the "Water In
Fuel Indicator Light" may remain on for approximately
three minutes.
NOTE:
Care should be taken in disposing of used fluids from
your vehicle. Used fluids, indiscriminately discarded,
can present a problem to the environment. Contact an
authorized dealer, service station, or government
agency for advice on recycling programs and for where
used fluids and filters can be properly disposed of in
your area.
Drain the fuel/water separator filters when the "Water
In Fuel Indicator Light" is ON. Within 10 minutes of
vehicle shutdown, turn the engine mounted filter drain
valve (located on the side of the filter assembly) coun-
terclockwise 1/4 turn, and turn the under body
mounted filter drain valve (located on the bottom of the
filter assembly) counterclockwise wise 1 full turn. Then
turn the ignition switch to the ON position, and allow
any accumulated water to drain. Leave the drain valve
open until all water and contaminants have been
removed. When clean fuel is visible, close the drain
valve following these guidelines:
1. Rotate the drain clockwise to close until you feel
resistance from the internal seal.
2. Continue turning the drain 1/2 of a turn to properly
compress the seal.
NOTE:
Over-compression of the seal due to over-tightening
of the drain will damage the seal, cause a leak, and
require the entire sensor to be replaced.
3. Turn the ignition switch to OFF.
The sensor drain should not be over-tightened during
normal service operations to avoid internal damage and
future fuel leaks. The drain should be closed and
secured without the use of tools.
SERVICING AND MAINTENANCE
If more than a couple ounces/milliliters of fuel have
been drained, follow the directions for "Priming If The
Engine Has Run Out Of Fuel."
ENGINE MOUNTED FUEL FILTER
REPLACEMENT — DIESEL ENGINE
NOTE:
•
Using a fuel filter that does not meet the manufac-
turer's filtration and water separating requirements
can severely impact fuel system life and reliability.
•
The engine mounted filter housing is equipped with
a No-Filter-No-Run (NFNR) feature. Engine will not
run if:
○
No filter is installed.
○
Inferior/Non-approved filter is used. Use of OEM
filter is required to ensure vehicle will run.
Engine Mounted Fuel Filter Assembly
1 — Drain Valve
299
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