You can see pic at this link:fixya.com/cars/t1973811-find_pcv_valve_location
SECTION 303-08: Engine Emission Control 2003 Escape Workshop Manual
REMOVAL AND INSTALLATION Positive Crankcase Ventilation (PCV) Valve —2.0L Zetec Removal and Installation
1.Remove the PCV valve.
•Remove the crankcase ventilation hose from the PCV valve.
•Remove the PCV valve from the grommet by turning the valve counter-clockwise