Quote:
Originally Posted by XutvJet
Mine jiggles too. That is part of the design as it's spring-loaded. It shouldn't jiggle wildly, but it will jiggle a few millimeters in each direction. One should should check the belt tension every month or so when doing a cursory underhood check for leaks, etc. The belt should only deflect a 1/4" or so with moderate finger pressure on a wider spread of the belt.
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that's what my shop said as well. However, in the 3er forums, there is a pretty big difference once replaced. There is no jiggle at all but that's on a brand new component so who knows what happens after some mileage.