I Am putting on my new rotors and i'm just about finished except for the fact the the rear pass. caliper piston won't screw back in. I tried draining the fluid from the caliper but to no avail. I Don't know if the car needs a new caliper or if I am doing something wrong. Please Help.

 

why did you take the piston out? did you try using a c clamp?

 

are you using the right tool to screw it in? is it already screwed all the way in?

 

are you rotating it as you are compressing it?

 

Thanks For All The Input. The Caliper was frozen so i replaced it and had the system bled. Works Like a Champ now