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Valve Stem Seal Replacement

The purpose of the valve stem seal is to prevent the oil from the cylinder head entering the combustion chamber.

Valve stem seals play a critical role in controlling valve lubrication as well as oil consumption.

If the valve stem seals are worn, the guides may be either starved for lubrication or flooded with oil.


If the valve stem seals are:

· Worn

· Cracked

· Missing

· Broken

· Improperly installed