How to Make Your Car Last Forever: Avoid Expensive Repairs, Improve Fuel Economy, Understand Your Warranty, Save Money

Once you have found the PCV valve, firmly grab hold of it and remove it from the grommet in the valve cover.
Closely inspect the vacuum hose to see if it is brittle or soft. If either of these conditions is evident, replace the
hose. You should also inspect the grommet and replace it if it is soft or brittle since this system must be sealed
for it to operate correctly.