E 350 V10-6.8L (2007)
6. Remove the bolt and the oil fill tube.
7. Disconnect the positive crankcase ventilation (PCV) valve electrical connector.
8. Disconnect the quick connect couplings and remove the PCV tube. For additional information, refer to Fuel Delivery and Air Induction.
9. Rotate the PCV valve counterclockwise and remove the PCV valve.