Locate the PCV valve.
Disconnect the hose from the PCV valve.
Use a wrench to loosen the PCV valve from the valve cover.
Remove the PCV valve from the valve cover.
Insert the new PCV valve into the valve cover.
Tighten the PCV valve with a wrench.
Reconnect the hose to the PCV valve.
The process of changing the PCV valve is relatively simple and can be completed in less than 10 minutes.