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Brake pistons frozen

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Old 06-03-12, 11:15 AM
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MA Brake pistons frozen

2 of the 4(both inner) pistons of each of the front brake calipers are frozen on my 91 convertible. does anyone have an idea of a good way to break them loose? or is it a lost cause?

i was thinking of a vise or a hydrolic press, but because they are so light(aluminum, right?) i'm worried about wrecking them. I'm buying new ones so i can drive safely(read: not as cool but atleast my car will stop) but i'd still like to use these again in the future as i like my car as it is, with all its wizardry.

any tips welcome, Brett

also, Stupid Salt!!!
Old 06-03-12, 06:16 PM
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Not sure about whats "not cool" about working brake pistons. But you can use compressed air to force them out. Put a block of wood in between the pistons if you value your face.
Old 06-03-12, 08:00 PM
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lol, yea. gotta love the old ceramic pistons that would break chunks off if you weren't careful(not 7 calipers but reminded me of the old days rebuilding calipers). might want to try to compress them first to break them loose with a c-clamp.
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