What Does Oil Viscosity Mean?

All cars have moving parts. To keep these parts separate, oil is used as a lubricant that creates a thin film of protection between moving parts. Without the lubricant, the parts would grind together and break. No matter where you look inside your engine, the moving parts demand oil to keep them from breaking. Manufacturers of automobiles test their engines to find the right viscosity, or thickness, of oil to lubricate the parts properly.

The Society of Automotive Engineers began testing oil viscosity in 1911. The Society passes oil through a "viscometer" to determine its viscosity. The oil runs through a small sphincter. The longer it takes for a set amount of oil to pass through the sphincter the higher the viscosity. During winter months, the lower the viscosity, the better the lubrication.

At Jeff Smith Kia, we offer every oil viscosity that your car manufacturer requires.



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