RAM 2500 Truck 4WD L6-5.9L DSL Turbo VIN 6 (1999)
Fuel Filter: Service and Repair
Fuel Filter/Water Separator Replacement
Fuel Filter/Water Separator/Drain Hose Location
The fuel filter/water separator assembly is located on left/rear side of engine above starter motor. The assembly contains the fuel filter cartridge,
Water-In-Fuel (WIF) sensor, and fuel heater.
REMOVAL
Drain Valve At Fuel Filter/water Separator
Draining water from filter canister: The canister drain valve serves two purposes. One is to partially drain filter canister of excess water. The other is
to completely drain canister for filter, heater or water-in-fuel sensor replacement. The filter should be drained whenever water-in- fuel warning lamp
remains illuminated. (Note that lamp will be illuminated for approximately two seconds when ignition key is initially placed in ON position for a bulb
check).
