In order to tension the belt all the bolts have to be loose and then the tensioner the long bolt underneath the pump closest to the air box can be tightened to increase tension on the belt. The one in red is just your idler pulley it just spins with a bearing.
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3 Ways To Test Serpentine Belt Tension Wikihow
Monday November 7th 2011 AT 1247 AM.
Why is my serpentine belt loose. If the whole pump assembly isnt free moving right now then something still isnt loose. The one in blue is your belt tenisor thats what keeps your belt tight if thats loose and wobbley thats your problem bad belt.
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