F 450 4WD Super Duty V10-6.8L VIN D (2004)
Liquid Vapor Separator: Service and Repair
FUEL VAPOR VENT VALVE
REMOVAL
CAUTION: The fuel vapor vent valves cannot be removed or repaired on vehicles equipped with composite fuel tanks.
1. Remove the fuel tank.
2. 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.
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.
INSTALLATION
1. To install, reverse the removal procedure.
-
Carry out the system leak test. See: Testing and Inspection/Component Tests and General Diagnostics/Evaporative Emission System Leak
Test
-
Carry out the evaporative emission repair verification drive cycle. See: Testing and Inspection/Component Tests and General
Diagnostics/Evaporative Emission Repair Verification Drive Cycle
