Lube System Basics: Three Vital Oil System Valves

In any automotive engine lubrication system, there must be a constant flow of oil under pressure to the engine. If that flow fails, the bearings and other engine components may be damaged.

Three separate valves in engine lubrication systems keep the engine supplied with the oil it needs. These valves are often mistaken for one another when questions regarding oil systems are raised. This article defines each valve and its specific function.

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