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6 . 7 L C U M M I N S D I E S E L
ENGINE MOUNTED FUEL FILTER/WATER SEPARATOR
Draining Fuel/Water Separator
If the "Water in Fuel" indicator light
heard five times, you should stop the engine and drain the water from the separator.
The drain is located on the bottom of the Fuel Filter and Water Separator assembly
which is located on the driver's side of the engine.
Turn the drain valve (located on the side of the filter) counterclockwise 1/4 turn, then
turn the ignition switch to the ON/RUN position to allow any accumulated water to
drain.
When clean fuel is visible, close the drain and switch the ignition to OFF.
Refer to the Diesel Supplement at www.ramtrucks.com/en/owners/manuals for fur-
ther details.
Fuel Filter Replacement
1. With the engine off and a drain pan under the fuel filter drain hose, open the water
drain valve 1/4 turn counterclockwise and completely drain fuel and water into
the approved container.
2. Close the water drain valve and remove the lid using a socket or strap wrench;
rotate counterclockwise for removal. Remove the used o-ring and discard it.
3. Remove the used filter cartridge from the housing and dispose of according to
your local regulations.
4. Wipe clean the sealing surfaces of the lid and housing and install the new o-ring
into ring groove on the filter housing and lubricate with clean engine oil.
5. Install a new filter in the housing. Push down on the cartridge to ensure it is
properly seated. Do not pre-fill the filter housing with fuel.
6. Install the lid onto the housing and tighten to 22.5 ft lbs (30.5 N·m). Do not
overtighten the lid.
7. Start the engine and confirm no leaks are present.
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.
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is illuminated and an audible chime is
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