need help fast! stuck caliper piston
#1
need help fast! stuck caliper piston
hey guys, decided to change my rear pads and couldn't get the caliper piston back in.. its not really stuck, as it comes out. tested it by gettin my bro to step on the pedal and saw it came out. now i cant get it in. any ideas? i bent a C-clamp tryin to get it in!!! think i might need new ones...
#4
You can use a pair of needle nose pliers. Just be careful not to slip and tear into the seal boot between the piston and caliper. To compress the caliper you turn it in a clockwise direction.
#9
thanks for the replies everyone.. maybe i should've asked this when i started at 8:30 so i would've had time to get it. but ill try to needle nose pliers as soon as i get home from work.. then i can nap a couple and go to work again =(
#12
happened to me a few months back. The rear caliper needs to be twisted to get the caliper to go in. This is the tool you need, I got mine from autozone.
http://filebox.vt.edu/users/prpatel/...%20(Large).jpg
http://filebox.vt.edu/users/prpatel/...%20(Large).jpg
#13
The tool is really not needed. All you need is needle nose pliars. Just stick the tips of the needle noses into the 2 small indentations and twist. It took me seriously 2mins to do it, but it does take a little muscle
#14
Pliers may not have enough leverage if the piston is corroded or the boot is dried out. Make sure you lube the boot with brake fluid while the piston's extended outward so as not to rip it. And sometimes you gotta turn it out & in to get it loosened a bit.
#15
tried with needle nose pliers and wouldn't budge! so i went out to get one of those
and it still took a lot of work to get it in!!! was crazy tight for some reason.. and i dunno wassup, but i smell a burnt smell on the left rear.. gonna have to check it out now -=(
but again, thank you everyone for the replies
Originally Posted by Pri63
but again, thank you everyone for the replies
#16
dude u have to use plaiers and the c plamp together. if that doesnt work them may be seized, but thats highly unlikely if u had no previous symtopms. i may have heard somewhere else they are a pin to get back in once it fully out. here is a sweet thread on rebuilding calipers which may be some help...
http://bmwe32.masscom.net/sean750/ca...akeCaliper.htm
http://bmwe32.masscom.net/sean750/ca...akeCaliper.htm
#18
Originally Posted by getbigtony
tried with needle nose pliers and wouldn't budge! so i went out to get one of those
and it still took a lot of work to get it in!!! was crazy tight for some reason.. and i dunno wassup, but i smell a burnt smell on the left rear.. gonna have to check it out now -=(
but again, thank you everyone for the replies
and it still took a lot of work to get it in!!! was crazy tight for some reason.. and i dunno wassup, but i smell a burnt smell on the left rear.. gonna have to check it out now -=(
but again, thank you everyone for the replies
#19
ok i found the problem for my burnt smell.. it was because half of the pad was applied from the flat part of the piston and the lil bump on the pad that holds the brake housing and the ceramic pad itself..
the piston must be turned until it is a + sign so that the turning groove slides directly into the little bump.
the piston must be turned until it is a + sign so that the turning groove slides directly into the little bump.
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