F 250 2WD Super Duty V8-7.3L DSL Turbo VIN F (1999)
Fuel Vapor Vent Valve: Service and Repair
REMOVAL
NOTE: The fuel vapor vent valves cannot be serviced on vehicles equipped with side-mounted composite fuel links.
1. Remove the fuel tank.
2. Remove the fuel vapor vent valve.
1
Slide the clamp away from the fuel vapor vent valve and remove the tube.
2
Press down and rotate the fuel vapor vent valve counterclockwise and remove from the fuel tank.
CAUTION: The fuel vapor vent valve must be disengaged from the fuel tank before it can be removed. Rotate the fuel vapor vent valve
counterclockwise to disengage from the fuel tank. Failure to do so can cause damage to the fuel vapor vent valve or the fuel tank.
INSTALLATION
1. Follow the removal procedure in reverse order
2. Leak Test the system. See: Testing and Inspection/Component Tests and General Diagnostics/EVAP System Leak Test
3. Perform the Evaporative Emission Running Loss Monitor Repair Verification Drive Cycle Test. See: Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes