Water in hydros...- Mtbr.com
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  1. #1
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    Reputation: CanadianPreston's Avatar
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    New question here. Water in hydros...

    I was washing my bike with a very powerful hose......

    I'm sure that water has penetrated either my lever or the pistons because the rear brake lever now retracts a lot slower. I havent had a chance to ride the bike since.

    Will this water burn off/evaporate after a ride?

  2. #2
    Meh.
    Reputation: XSL_WiLL's Avatar
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    DOT fluid is hygroscopic. It would have absorbed the moisture. This would result in a lower boiling point. I high doubt that you will be able to vaporize the DOT fluid. In addition, your brake is a sealed system. I don't think water could have forced it's way through the hose or caliper unless something was already damaged.

  3. #3
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    Washing some brakes off leaves the piston very dry. The surface then has friction points and may lock one piston off.

    Easy fix: Remove wheel, remove brk pads, retract pistons (reset or push them in), apply a lite teflon lube to pistons, let sit....... pump levers and reset pads, wipe clean of excess lube.

    Wyrm
    Bikeless Rider

  4. #4
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    Quote Originally Posted by wyrm
    Washing some brakes off leaves the piston very dry. The surface then has friction points and may lock one piston off.

    Easy fix: Remove wheel, remove brk pads, retract pistons (reset or push them in), apply a lite teflon lube to pistons, let sit....... pump levers and reset pads, wipe clean of excess lube.

    Wyrm
    thanks i may try that

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