Posts Tagged: replace a PCV valve

Replace a PCV valve

Replace a PCV valve yourself What does a PCV valve do? Your engine uses a PCV valve to regulate the flow of harmful vapors from the crankcase and direct them into the intake manifold where they can be burned. The valve is a wear item and you have to replace the valve at specified intervals. The Positive Crankcase Ventilation (PCV) system in auto engines is designed to remove harmful vapors from the crankcase and prevent them from venting to the atmosphere. One end of the PCV valve is attached to … Read More