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Buell Forum » XBoard » Archive through June 12, 2012 » Stuck Rear Brake Piston « Previous Next »

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Bigb1975
Posted on Saturday, May 19, 2012 - 08:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I needed new brake pads so I thought I'd give it try myself. I got the brake assembly off and the old pads out, but the piston is so far extended that I can't get the new pads in. I've tried everything to push the piston back into the caliper but it won't budge. I've got a C-clamp on on it now and have clamped down as far as it will go. At this point, the handle on the c-clamp bends before the piston will move.

Any ideas? I messed up when removing the brake assembly and loosened the brake line enough so that a little brake fluid came out. Could that be the cause of my problem?
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Ourdee
Posted on Saturday, May 19, 2012 - 11:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Jason, There are rear calipers on fleEbay cheap. Buy It Nows with Free Shipping.
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Brother_in_buells
Posted on Sunday, May 20, 2012 - 05:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I would say you take it apart!
probably some brake dust issues
(its not that difficult to disassemble and assemble it!)
put the caliper in a towel ,pop the piston out of the caliper with a airgun (careful)
or use a special pliers to pull the piston

Clean the whole caliper in and out with brake cleaner or something (careful with the rubber rings and stuff)
And put it back together with something like Ate brake grease to make the piston slide easy in the caliper.
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Greg_e
Posted on Sunday, May 20, 2012 - 12:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I wouldn't even think of taking it all apart without having a rebuild kit in hand, the kit should be cheap compared to having to pull it apart again if the old seals leak.
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Brother_in_buells
Posted on Sunday, May 20, 2012 - 04:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You are welcome!
http://www.americansportbike.com/shoponline/ccp0-p rodshow/17087.html
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1313
Posted on Monday, May 21, 2012 - 12:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Jason,

I sent you a PM.

Let me know if you get it and if it helps,
1313
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