I still can't get my E4's to stop rubbing, I've tried all sorts of different washers and pushing the pads back in. Nothing seems to help. One thing I notice is the srpings kind of puch the pads into the rotor a little, maybe I should try it without the springs? Or are they return springs? Nothing I've tried has helped though, and when I say they rub I mean I spin the wheel fairly fast and it stops within a revolution or two every time.