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 front brake level clicking

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Pawel Spoon
Grignapoco
Grignapoco
Pawel Spoon


Posts : 102
Join date : 2021-08-06

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PostSubject: front brake level clicking   front brake level clicking Icon_minitime1Sun Apr 03, 2022 12:37 am

hi
replaced brake fluid on all of my bikes. GRiSO had this funny orange colour, looked like orange juice with pulp.
as usual i did empty reservoir, filled in few fluid etc etc.
since then one can feel and hear a click when using the break, not on each usage, more like on the first ..
i have then opened the reservoir again, and to my surprise, again more orange then like a new fluid, emptied the reservoir, cleaned the surface of it a bit, new fluid in, bleeding a few pumps on left and right side.
however clicking is still there ?
can it be air ? is it the pump and it was all coincidence ?
what i did on the GRiSO too: i did clean the brake pistons and during that procedure it did press them back into housing completely.
could that explain the orange pulp ? and consequently the clicking ?
cheers
a very confused p
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lcjohnny
GRiSO Capo
GRiSO Capo
lcjohnny


Posts : 1148
Join date : 2016-01-25
Age : 67

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PostSubject: Re: front brake level clicking   front brake level clicking Icon_minitime1Sun Apr 03, 2022 3:09 am

Hi Pawel

when you changed the hydraulic fluid, - did you pump it all out throught the bleed nipples on the brake calipers until the clean fluid came through?

If you did that then i cannot work out why the new fluid has got contaminated - but it sounds nasty - like it has absorbed water from the atmosphere?
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Pawel Spoon
Grignapoco
Grignapoco
Pawel Spoon


Posts : 102
Join date : 2021-08-06

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PostSubject: Re: front brake level clicking   front brake level clicking Icon_minitime1Sun Apr 03, 2022 6:03 am

one reservoir filling on each side should have been sufficient, i have hoped.
i cleaned the bottom of the reservoir during second drain, not sure if i did that on the first
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Pawel Spoon
Grignapoco
Grignapoco
Pawel Spoon


Posts : 102
Join date : 2021-08-06

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PostSubject: Re: front brake level clicking   front brake level clicking Icon_minitime1Sun Apr 03, 2022 6:36 am

went now for the 3rd check Smile
fluid was ok-ish, must have been dirt on the reservoir walls and bottom. cleaned it again. let's see.
as for the noise: cleaned the level and put some copper paste on it, hope it was that and nothing with the pump/cylinder itself

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