new here, a little thing is happening sometimes. replaced rear pads, yes i put in maintenance mode, did not rotate piston while retracting. replaced pads, cleaned and re-lubed pins etc. took out of maintenance mode and test drove. seemed fine. then epb wouldn't release on right side sometimes. pulled wheel and dust boot wasn't looking right almost as it rotated. refolded boot only and reassembled, piston markings still up/down. still having release issue, but seems if when applying epb ,i do not press brake pedal, this seems to work? thanks