The belt shock attaches to the left side of the tensioner & the spring to the right. The spring is what keeps the tension, the shock dampens movement. The key is the black plastic piece on the top that has a bolt thru the cylinder head. Remove the nut, then use an extension or end of the lug bolt tool in the black plastic part to free tension off the bolt you just took the nut off. Then everything comes apart easy.

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Brian Toscano