RAM 3500 Truck 4WD L6-5.9L DSL Turbo VIN 6 (1998)
Fuel Filter/water Separator Components
1. A drain hose is located at bottom of drain valve. Place drain pan under drain hose.
2. With engine not running, rotate drain valve handle forward to OPEN (DRAIN) position. Hold drain valve open until all water and contaminants
have been removed and clean fuel exits drain hose.
3. If fuel filter, fuel heater or Water-In-Fuel (WIF) sensor is being replaced, drain canister completely. Dispose of mixture in drain pan according to
applicable regulations.
4. After draining operation, rotate valve handle rearward to CLOSE position. If fuel filter, fuel heater or WIF sensor is being replaced, proceed to
next step.
5. Remove drain hose at drain valve.
6. Disconnect Water-In-Fuel (WIF) sensor electrical connector at sensor. The WIF sensor is located at side of filter canister.
7. Loosen filter canister nut at top of header while lowering canister assembly from header.
8. Remove and discard seals and center O-rings .
9. Remove filter element (cartridge) from canister.
10. Remove WIF sensor and its O-ring seal from canister .
11. Inspect WIF sensor probes. Carefully clean contaminants from sensor probes with a cloth if necessary. Replace sensor if probes are covered with
contaminants and will not clean up.
Fuel Heater Mounting Screws (Bottom View)
