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Serpentine belts have a self-adjusting idler pulley that keeps the correct tension on the belt. The idler arm will have either a cutout where a ratchet wrench will fit without a socket or a nut where a socket will fit. Turn the idler arm either clockwise or counter-clockwise (whichever applies to your application) to loosen the tension and remove the serpentine belt. Installation is the reverse of removal.

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19y ago

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