RAM 3500 HD Truck 4WD L6-6.7L DSL Turbo VIN A (2007)
9. Fuel Heater Element Replacement: The heater element (2) is located in the fuel filter housing (4).
a. Drain fuel filter. See previous steps.
b. Disconnect electrical connector (1).
c. Remove two mounting screws (3).
d. Remove fuel heater (2).
10. Check condition of fuel heater O-ring (2).
11. Drain Valve Replacement: The Drain Valve is located on the bottom of the fuel filter. This is not a separately serviceable item. If replacement is
necessary, replace the entire filter/filter canister assembly.
12. Fuel Filter Head (Housing) Replacement:
a. If equipped, remove transmission dipstick tube from filter housing.
b. Remove all low-pressure fuel lines at filter housing
c. Remove housing from cylinder head.