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Hey Duane==I think I use a wrench on the bolt that holds the pulley to the bracket for the idler. I think it is 13mm. Goodluck, Joe

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โˆ™ 2015-07-15 19:20:04
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Q: How do you release the tension from the belt tensioner on an Olds 88 3.8 FI and what tool do you use?
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