RAM 4500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo (2008)
6. After fuel filter removal, also check and clean secondary filter screen. Press button (2) on quick-connect fitting. Disconnect fitting (1) from fitting
(3). Unscrew fitting (3) from canister head to expose screen.
7. Clean screen (5) and check condition of O-ring (6).
8. Water-In-Fuel (WIF) Sensor Replacement: The WIF sensor (2) is located on the bottom of the fuel filter housing.
The WIF sensor is not a separately serviceable item. If diagnostics have led you to replace this sensor, then the whole fuel filter assembly (1) needs to be
changed.