[Hayes 9] leaking problem

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I have a problem with my Hayes 9.
I re-bled it and it was ok. for a moment.
Unfortunately, during the night some of the dot4 fluid escaped through
this small hole in the reservoir cap:
http://img135.imageshack.us/my.php?image=62620053wv1.jpg
now, with only part of the fluid left, it has very low stopping power.
i can feel piston going to the end, and still no power :(

what should i do?
re-bleed it again?
is changing an reservoir cap nessesery?
or throw hayes away and buy Deore535 brake?

Mk.

mmateusz wrote:
> I have a problem with my Hayes 9.
> I re-bled it and it was ok. for a moment.
> Unfortunately, during the night some of the dot4 fluid escaped through
> this small hole in the reservoir cap:
> http://img135.imageshack.us/my.php?image=62620053wv1.jpg
> now, with only part of the fluid left, it has very low stopping power.
> i can feel piston going to the end, and still no power :(
>
> what should i do?
> re-bleed it again?
> is changing an reservoir cap nessesery?
> or throw hayes away and buy Deore535 brake?
>
> Mk.
Get a new reservoir seal and rebleed and if that doesn't fix it look at
some Magura or Hope brakes