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Q: Tensioner arm makes noise

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The tensioner arm is making a lot of noise.

A: The serpentine belt tensioner is always und...

The serpentine belt tensioner is always under constant pressure and movement. Over time the spring or hydraulic system used can weaken or fail completely. When failure occurs the tensioner can create excessive noise. The belt tensioner should always be replaced when changing these belts. A proper inspection should be carried out to ensure that the tensioner is the source of your concern.

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