HELP! - Stuck brake inner pistons after caliper rebuild - Page 2 - Triumph675.Net Forums
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post #11 of 13 Old 12-14-19, 17:23 Thread Starter
Neanderthal
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Well ...... It was a classic case of supreme dumbassery on my part. Even after laying everything out in order, I somehow managed to swap the inner caliper halves - RH inner got bolted to LH outer, LH inner got bolted to RH outer. It was immediately evident as soon as I broke them apart. The two inner halves are identical except for the fluid passage hole, so maybe I got distracted during the critical moment of mating the parts, lol. It's all back together and bled. I'm chasing the elusive rock-solid lever, so for now I have the lever tied back against the throttle tube.

Just for any future reference - it is impossible for the piston to be all the way into the caliper, there is a small protrusion at the bottom of the caliper bore that holds it out far enough for fluid to get behind it.
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post #12 of 13 Old 12-15-19, 06:01
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Wow, good thing you took the calipers apart again before resorting to "drastic" measures to force the pistons out!

I never realised that the calipers could even go back together with mismatched halves.

Thank you for reporting back.
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post #13 of 13 Old 12-16-19, 21:12
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Thanks for posting up what you found! Glad you got it sorted.
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