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Belt tensioner bearing

The belt tension of automobiles is maintained by the belt tensioner which is divided into manual and automatic type.

The manual type belt tensioner is given its tension by a spring force when initially fitted and requires tightening again after some use while the automatic belt tensioner is able to keep a constant tension.

By the reasonable tension, premature wear, noise, or vibration of the belt can be decreased.

The reasonable tension also reduces tooth skip of the belt, which causes knocking of engine and therefore degraded engine efficiency.

Automobiles(Hyundai, Kia, Daewoo)