 Well, naturally, that type of tensioner is a little bit different because it's a hydraulic tensioner and not a spring. I would say because of the hydraulics on it and that belt on that vehicle, it seems like the first time around that you start using that bar to loosen up that serpentine belt that the tensioner itself may be okay for now, but it may fail. Due to the miles, I would do it as a pair. I would do both the tensioner