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SERVICING AND MAINTENANCE 373
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 problem with your water separator wiring or
sensor. See an authorized dealer for service.
Upon proper draining of the water from both fuel
fi
lters, the Water In Fuel Indicator Light will remain
illuminated 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
fr
om your vehicle. Used fluids, indiscriminately
discarded, can present a problem to the envi
-
ronment. Contact an authorized dealer, service
st
ation, or government agency for advice on recy-
cling programs and for where used fluids and
f
ilters 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) counterclockwise 1/4 turn,
and turn the under body mounted filter drain valve
(located on the bottom of the filter assembly)
counterclockwise 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
fe
el 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-tight-
ening of the drain will damage the seal, cause a
l
e
ak, and require the entire sensor to be replaced.
3. Turn the ignition switch to OFF.
The sensor drain should not be over-tightened
d
u
ring normal service operations to avoid internal
damage and future fuel leaks. The drain should be
closed and secured without the use of tools.
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
R
EPLACEMENT — DIESEL ENGINE
NOTE:
Using a fuel filter that does not meet the manu-
facturer's filtration and water separating
re
quirements 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
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.
1 — Drain Valve
8
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