Valve spring meaning

Valve spring definition

A small coil spring that closes the valve after it has been opened by the cam, and prevents the valve from bouncing on its seat. The action of the spring keeps the lifter in contact with the cam. If the spring is weak, noise will be generated and the valve, spring, lifter and cam will be subjected to hammer-like blows that cause metal fatigue .

Automotive Dictionary Index

Automotive terms beginning with "V", page 9

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