DIESEL FUEL FILTER/WATER SEPARATOR
Draining Fuel/Water Separator
•If the “Water in Fuel” indicator lightis illuminated and an audible chime is
heard five times, you should stop the engine and drain the water from the separator.
• The drain plug is located on the bottom of the Fuel Filter and Water Separator assembly which is located above the rear axle next to the fuel tank.
• Loosen the drain plug (located on the bottom filter assembly) 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 the OFF position.
• Refer to the Diesel Supplement on the DVD for further details.
Fuel Filter Replacement
1. Ensure engine is turned off.
2. Place drain pan under the fuel filter assembly.
3. Open the water drain valve, and let any accumulated water drain.
4. Close the water drain valve.
5. Remove bottom cover using a strap wrench. Rotate counterclockwise for removal. Remove the used o-ring and discard it.
6. Remove the used filter cartridge from the housing and dispose of according to your local regulations.
7. Wipe the sealing surfaces of the lid and housing clean.
8. Install new o-ring back into ring groove on the filter housing and lubricate with clean engine oil.
NOTE:
The WIF (Water In Fuel) sensor is re-usable. Service kit comes with new o-ring for
filter canister and WIF (Water In Fuel) sensor.
CAUTION!
•Diesel fuel will damage blacktop paving surfaces. Drain the filter into an appro-
priate container.
•Do not prefill the fuel filter when installing a new fuel filter. There is a possibility
debris could be introduced into the fuel filter during this action. It is best to install
the filter dry and allow the in-tank lift pump to prime the fuel system.
• If the “Water In Fuel Indicator Light” remains on, DO NOT START the engine before you drain water from the fuel filter to avoid engine damage.
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• 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 on the DVD for further details.
Fuel Filter Replacement
• 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.
• 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.
• Remove the used filter cartridge from the housing and dispose of according to your local regulations.
• 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.
• 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.
• Install the lid onto the housing and tighten to 22.5 ft lbs (30.5 N·m). Do not overtighten the lid.
• 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:
1. No filter is installed.
2. Inferior/Non-approved filter is used. Use of OEM filter is required to ensure vehicle will run.
CAUTION!
•Diesel fuel will damage blacktop paving surfaces. Drain the filter into an appro-
priate container.
•Do not prefill the fuel filter when installing a new fuel filter. There is a possibility
debris could be introduced into the fuel filter during this action. It is best to install
the filter dry and allow the in-tank lift pump to prime the fuel system.
• If the “Water In Fuel Indicator Light” remains on, DO NOT START the enginebefore you drain water from the fuel filter to avoid engine damage.
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