Well, Sort of but not really.
Engines that came with covers are hard to retrofit to operate with out.
In the very old days the rocker arms ran out in the open and were either oiled by the driver or greased.
Some early airplane engines, motorcycle engines and auto engines were built that way.
On the top of the head/heads. The valve covers, cover the valve train.
The block and valve covers were black.The block and valve covers were black.
There SHOULD only be oil inside the valve covers. If they leak coolant you have a serious problem.
Thermoset plastic is what valve covers are made of. Sometimes they are made of metal, but normally it is plastic.
They are under the coils and are located between the valve covers and the intake.They are under the coils and are located between the valve covers and the intake.
The PVC valve will be located in one of the valve covers. The valve covers are on top of the engine on either side. And it will have a hose attached to it which will lead over to the air intake system.
SHould be somewhere on or near the valve covers.
They are under the coils in the center of the valve covers.They are under the coils in the center of the valve covers.
Under the coils, through the tops of the valve covers.Under the coils, through the tops of the valve covers.
Aortic valve replacement is necessary when the aortic valve has become diseased. The aortic valve can suffer from insufficiency (inability to perform adequately) or stenosis.
The PCV valve is usually on top of one of the valve covers.
Yes if the valve is leaking. But in general the answer is no.