Post by
rogoman »
https://forums.nicoclub.com/rogoman-u37451.html
Fri Jul 28, 2006 5:42 am
The surface of the caliper piston has an X pattern on it; use a large screwdriver to turn the piston clock-wise to retract it and counter-clock-wise to protract it. Keep an eye on the seal while turning the piston so that you don't tear it.