brake piston removal
afm199 at earthlink.net
Mon Nov 5 05:39:35 PST 2007
at this point I would look for a system on ebay, yurs is probably
On Nov 4, 2007, at 11:23 PM, Donlon McGovern wrote:
> It sounds like you have accumulated water in your brake fluid, hence
> the cloudy, creamy texture. Good thing you are disassembling them. If
> I were doing it I would bleed all the old fluid out of the system with
> clean fluid and get all the creamy stuff out. Then, once you have
> removed the caliper assemblies you should be able to just squeeze the
> brake lever and push the pucks out enough to pull them out by hand.
> You will probably have to replace the rubber seals and use a fine
> abrasive emery paper to gently scrub the cylinders if they are rusty.
> But, if they are just cruddy, a good brake cleaning fluid should flush
> the crud out. With the seals back in place you should be able to push
> the pucks back in but you might need a stiff section of thin board to
> get them flat with the surface of the caliper assembly. Mount them
> back, squeeze the brake lever to reseat the pads and then bleed again
> until you get all the air bubbles out. There may be other suggestions
> from Zoran or Jim Stewart or any other listers that have done this far
> more often than me. I'd say you biggest problem is not bleeding your
> brakes often enough to purge water out of the system. Remember, brake
> fluid is hydroscopic, it absorbs dihydrogen oxide (fancy name for
> ----- Original Message ----- From: "David kerr"
> So, this is the first time I've disassembled the brakes on my '99
> SV650x. So far I have discovered that the brake "fluid" was white and
> the cinsistancy of room temperature sour cream. What causes this?
> I've also discovered that one or two of the seals are pushed out and
> showing next to the pistons.
> 2nd Question: How in the world do you remove the brake pistons without
> the use of compressed air from the back as the service manual
> suggests. I obviously don't want to scratch, scar or squeeze the
> pistons, so what's the trick?
> Lastly, any tips on cleaning and replacing the same pistons?
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