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Compress front brake caliper pistons?

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I use my fingers. It should not be that hard to move.

I agree. If you do chose to use a tool, don't put the tool directly on the piston. Put an old pad in place first and then squeeze.

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I've got both pads in and tried pushing with my fingers, even opened up the bleed valve but it wouldn't budge. I'll try some vices and see what happens.

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Just like the other guys use a big screwdriver with your old pads or use a very large set of channel locks

Edited by hithebrakes

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You've got the lid on the master cylinder off?

 

+1 for fingers, especially if you just cleaned it.  Shouldn't take too much effort to move them.

 

I took the cap off my master cylinder once, went inside for dinner, came back out and the pistons would not compress in my brake caliper!!  So I grabbed the c-clamp.  Pushed those suckers in, next thing I know DOT 4 brake fluid is spraying all over my head.. 

 

I took the cap off the clutch master cylinder, so using the c-clamp I ruptured the diaphragm in the brake's master cyl and fluid went a-flying.  Lesson learned.  Had to buy a new rubber diaphragm. DOOHHH!!!

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Should be doable with fingers. Use both of your thumbs to push in one piston, then do the other, then back, etc.

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