s2000maniac

The left rear caliper won't move at all. I can't screw it back in. The right rear side screwed back in fine. Any ideas?

Rays S2k

Is the ebrake on

s2000maniac

No it's off, I even opened the brake bleeder screw and that didn't help. I did finally get it back in but it took a lot of force. The other side screwed back in easily. The weird thing is the caliper has not been giving me any issues.

Rays S2k

Well sometimes you have to push the caliper piston in before you put the caliper back

alphalanos

i had the same problem. my passenger rear locked up so i got a replacement from autozone. when I tried to install it the piston wouldnt go in. i got another replacement and it went in no problem. maybe a bad caliper?

zeroptzero

You might have some corrosion or deposits on the piston walls, I've also seen that happen with a bad piston boot that got bound up with the piston and made it difficult to move.