I was changing the front rotors on my 91 LS 400, i did the drivers side with no problem but the passenger side is giving me some trouble, the hole that the 14mm bolt goes into seems like it does'nt want to move so I can bolt back on the piston thing. isnt this thing suppose to slide inand out??? HELLPPPPP!!! never mind guys, i went to the <a style='text-decoration: none; border-bottom: 3px double;' href="http://www.serverlogic3.com/lm/rtl3.asp?si=24&k=junk%20yard" onmouseover="window.status='junk yard'; return true;" onmouseout="window.status=''; return true;">junk yard</a> and got another bracket....