The Valve Guide supports the up and down movement of intake, and exhaust valve stem in the cylinder head. And, also allows heat to escape, from the valves.
Valve guide wear, refers to excessive clearance, between valve stem and valve guide. As valve guides wear, the side to side movement, can cause valves to seat improperly. Valve leakage, causing compression loss, is another […]
The purpose of the valve stem seal, is to prevent the oil from the cylinder head, entering the combustion chamber. So, the valve stem seal, plays a critical role in, controlling valve lubrication, as well […]
You may have heard the term, valve job, because older engines frequently needed their valves reconditioned. You rarely hear about, valve problems or valve jobs in today’s engines. Because, modern (OHC) engines, have fewer parts […]
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