How do you install a PCV valve on a 2003 escape?

To install a PCV valve on a 2003 Ford Escape, first locate the valve, which is typically found on the valve cover. Disconnect the hose connected to the old PCV valve and twist it counterclockwise to remove it. Install the new PCV valve by pushing it into the valve cover and securing the hose back in place. Finally, ensure everything is connected properly and check for any leaks before starting the engine.