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Under normal circumstances it will not loosen. You use a torque wrench to tighten it to specifications. Specifications are located in the Haynes repair manual available from www.Amazon.com. clockwise to tighten counterclockwise to loosen You need a socket that fits tightly on the bolt head and a long-handled torque wrench.

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Q: How does a harmonic balancer loosen itself on a 97 Jeep Grand Cherokee 4.0 in-line six and which way does the bolt turn to tighten and can you re-tighten it with standard tools?
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