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Discussion Starter · #1 ·
i had a run in with a vw golf arround 16 month's back
it bend the front fork
i have installed the new fork that all went perfeckt
but when it fell down it landed on his right side
now i have trouble with the front brake's
after the exidend the front brake dit work a little
4 month's later the front brake dit nothing at all
so after installing the new frork
the front brake still giving me trubble
what i have done
first take the old fluid out
fill the fluid can whit new brake fluid dot 4
put a brake bleeder with vaceuum working in the left brake calipper
just as long there where no air bubbels any more
then i put in on the right brake calipper and did the same thing
but the brake handele felt verry soft
so i bleed every thing again and tryend out a old trick
filled a sirince whith brake fleud and pussed it up
well the fluid was every where but not in the pot
so whe did it again with vaceuum
but still she remans weak and you can feel there is air or something in that system
has any one some idea's
i am no newby with cars and motorcycle,s but i am far from an expert
and cx ............. well if you never have made apple pie before
and your grandma tell you to make one like she make's them
you under stand :)
 

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Take the brake master cylinder off the handlebar, leaving the lid on and everything intact. Hold it vertical. There can be a stubborn air bubble that won't make it back into the reservoir with it installed on the handle bar. See where the high spot is in the plumbing? That is usually the problem. Of course it could still be the internal seal is bad. When you are messing with brake fluid remember it can damage your painted parts.
 

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You might also try the trick of tying the brake lever, in the pulled position, to the handlebar and let it sit over night.
 
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If you can't build up any pressure, tying the lever back won't help much. Taking the assembly off the handle bar and turning it vertical is faster. You can spend all day bleeding but just look at the spot where the bubble gets stuck at the top banjo fitting. Especially on a CX500 Custom type handle bars.
 

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Discussion Starter · #5 ·
Take the brake master cylinder off the handlebar, leaving the lid on and everything intact. Hold it vertical. There can be a stubborn air bubble that won't make it back into the reservoir with it installed on the handle bar. See where the high spot is in the plumbing? That is usually the problem. Of course it could still be the internal seal is bad. When you are messing with brake fluid remember it can damage your painted parts.
thanks your trick did the job i left it overnight and to be honest i had no fate
but till my big suprise the next morning i had full and hard front brake,s
so thanks
it realy did help me
 
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