F 150 Heritage 4WD Pickup V6-4.2L VIN 2 (2004)
Liquid Vapor Separator: Service and Repair
VALVE - FUEL VAPOR VENT
REMOVAL
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 evaporative emission valve and remove the evaporative emission return tube.
2
Press down and rotate the evaporative emission valve counterclockwise and remove it from the fuel tank.
INSTALLATION
1. To install, reverse the removal procedure.
-
Leak test the system. 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
