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An auto tensioner bearing is a crucial component of an engine's accessory drive system, typically used in serpentine or timing belt systems. It helps maintain the correct tension on the belt, ensuring optimal performance and reducing wear on both the belt and the components it drives. By automatically adjusting tension as needed, it prevents slippage and potential damage, contributing to the overall efficiency and longevity of the engine. If the bearing fails, it can lead to belt misalignment or breakage, causing engine performance issues.

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1w ago

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