Just take the pads out and use the tool to screw the piston back in? Like a c clamp? Is that all that needs to be done?

 

Yeah, they make a special tool for compressing the piston, I just use a C clamp though. You may want to spray a little WD40 or liquid wrench/equivalent on the moving parts and work them back and forth a little just to make sure they move freely before you put the pads in.

 

like a curved flat plate with a star wheel attached to a threaded rod, I started to move it but figured I better check for sure on here.

 

I would clean everthing up soak and clean your pins and check the intyegrity of the boots. and use high temp gease when you reasymble. Oh yea use the high temp grease on the back of the pads in areas that have metal to metal contact.