The thing is that the piston is retracting, and is puling the inboard pad away from the caliper. So that eliminates any kind of hydraulic issue. It has to be either a mechanical issue or a case of a dimensional problem with either the pad itself or the bracket.
BTW, I'm pretty sure from his other posts that Deve is running DOT 5 silicone fluid.
Gotcha, good point. I'd still break the line. The fixed piston side has relaxed because it isn't seeing 1200psi, if the silicon fluid had swelled the hose then the pressure might drop to 20, a 100?psi to release the piston further. Break the bleeder, see if there is pressure and then you'll know.
When he assembled the floater he'd have known if the pins were interfering, when he put the pads in they probably just plopped in and the thing rattled around on the pins or would've taken it apart to see whats what.
Again, I'm probably wrong but before I go grinding pads down I'd break the bleeder to see if there is pressure.
