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) counterclock-
wise 1/4 turn, and turn the under body mounted filter
drain valve (located on the bottom of the filter assembly)
counterclock 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 valves by turning them fully clock-
wise, and turn the ignition switch to OFF.
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
NOTE:
• Using a fuel filter that does not meet the manufacturer’s
filtration and water separating requirements can se-
verely 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:
1. No filter is installed.
2. 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
7
MAINTAINING YOUR VEHICLE 185
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