F 150 4WD Pickup V8-4.6L SOHC VIN W (1998)
Liquid Vapor Separator: Service and Repair
REMOVAL
1. Remove the fuel tank.
2. Remove the evaporative emission 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 from the fuel tank.
CAUTION: The evaporative emission valve must be disengaged from the fuel tank before it can be removed. Rotate the evaporative emission
valve counterclockwise to disengage from the fuel tank. Failure to do so can cause damage to the evaporative emission valve or the fuel tank.
INSTALLATION
1. Follow the removal procedure in reverse order.
2. Leak test the system.
3. Perform the Evaporative Emission Running Loss Monitor Repair Verification Drive Cycle Test.
