The PCV system’s function is to trail blowby from the crankcase right into the intake manifold at which it could be burn again. The blowby crops up on the stroke of the engine when burning gas flows by the sealant of the piston ring and forms in to the crankcase. At this point, pressure bulks up and consequently triggers mechanical wrecks and oil spills.
Blowby gases right from unburned fuel can lead to problem to the engine oil. It triggers the oil to develop into debris which will reduce the use of the oil. The blowby are eliminated by the PCV system. The PCV valve works with intake manifold vacuum to attract the blowby from the crankcase. A common PCV valve is normally hooked up on the valve cover and coupled to the manifold by way of a hose.
A PCV valve is the same as other mechanical devices that needs maintenance. PCV valve has to be switched every 15,000 – 24,000 miles or according to product requirements. In many cases, the component can go wrong under severe condition. But say in this situation, it stops working under regular condition. The part can be verified by just removing it from the valve cover and making a good tremble. A running valve gives a wiggling sound, if that sound is not heard, this means the component has gone down.
There is a way to inspect the component. Considering the PCV valve still connected to the hose and the hose linked to the intake manifold. Work with your fingers and just position them on top of the PCV valve. If no vacuum is found this means the mechanical component also has stopped working. A PCV valve is regarded as a cost-effective part to switch. More often than not, it will cost you a couple of dollars to switch. The framework of the part is manufactured out of plastic with several mechanical interiors.
There also other some additional factor that needs to be replaced too. One is the grommet that rests between the PCV valve and intake manifold. Second one, the hose must also be substituted as it can damage and tattered from the engine heat. Besides, assess the brand new component with the existing component. Moreover, check out the surrounding part of the other manifestation of damage. The PCV system can wither if some other component also has gone down. As an example, since the valve is plugged in to the valve cover, the valve cover can impact this component when there is an oil leak or even just a spill. Blowby gas will get off the leak and drained into the air. Pay attention to the leak first before undertaking replacement of another component. In addition, you should make sure are not any leak around the intake manifold.
Author: Fred GagnonThis author has published 13 articles so far.