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Old 05-23-2015, 04:09 PM   #2
2013 ZL1 #7860

 
Drives: 2013 ZL1 A6 #7860
Join Date: Apr 2014
Location: CO, USA
Posts: 1,279
Try a little longer SC belt. The tensioner should not be maxed out. It needs room to move and keep tension on the belt. There are marks on the tensioner for this. Try a green belt HD as well. Is it possibly the AC belt? (Stretch fit)
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