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VIDEO: Combating Belt Flutter With Decoupler Pulleys

OADs help absorb small vibrations from the crankshaft that could produce belt flutter.

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The average belt tension used today is lower, with vibration control, and the integration of the Litens OAD (or overrunning alternator decoupler). As a result, less tension increases the life of the belt by slowing down wear.

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This has permitted OEMs to extend replacement intervals past 100,000 miles on some vehicles. Also, with less tension, the amount of power required from the engine to turn the belt-drive system is lower, improving fuel economy.

Decoupler pulleys combat belt flutter, as they decouple the alternator from the belt-drive system and help absorb small vibrations from the crankshaft that could produce belt flutter.

This video is sponsored by Continental.

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