Bleeding brakes - what am i doing wrong?
07-06-2009, 05:33 PM
#1
Cruisin'
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Bleeding brakes - what am i doing wrong?
New to this to please bear with me...
I am trying to completely flush and bleed my brakes. My system is almost drained of fluid as I had previously taken apart the calipers and hoses to refurb/change the calipers and upgrade to steel hoses.
Bought a Gunson Eezi-Bleeder (similar to the Motive bleeder sold in the US) so that I can do this solo. Inflated a tyre to 20 psi as recommended to act as the pressure source.
What is happening is the master reservoir fills right up to overflowing but no fluid comes out of the valve when I undo a bleed nipple. Have tried pumping the pedal repeatedly (it goes to the floor) but this makes no difference. When I close the nipple there is again no difference and pumping the pedal also does nothing - the reservoir stays full.
Connecting the Eezi-Bleeder to the tyre also makes no difference - the fluid is not pushing through the reservoir, as if there is a blockage somewhere.
No doubt I am making an elementary mistake?
I am trying to completely flush and bleed my brakes. My system is almost drained of fluid as I had previously taken apart the calipers and hoses to refurb/change the calipers and upgrade to steel hoses.
Bought a Gunson Eezi-Bleeder (similar to the Motive bleeder sold in the US) so that I can do this solo. Inflated a tyre to 20 psi as recommended to act as the pressure source.
What is happening is the master reservoir fills right up to overflowing but no fluid comes out of the valve when I undo a bleed nipple. Have tried pumping the pedal repeatedly (it goes to the floor) but this makes no difference. When I close the nipple there is again no difference and pumping the pedal also does nothing - the reservoir stays full.
Connecting the Eezi-Bleeder to the tyre also makes no difference - the fluid is not pushing through the reservoir, as if there is a blockage somewhere.
No doubt I am making an elementary mistake?
07-06-2009, 05:49 PM
#3
at the front driver side, what if you just take out the bleed valve and let it sit? it should be able to gravity drain. that's the shortest path so you'd see the effects first
there might be a clog in the master cylinder preventing fluid from going out.
there might be a clog in the master cylinder preventing fluid from going out.
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07-06-2009, 07:47 PM
#8
It has nipples?
J/k.
Check the bleeder screws/nipples to make sure they aren't plugged. A couple of mine were so plugged with **** that I had to spend 10 minutes and a paper clip to clean them out. At first I thought it was just a fake bleeder screw but it was just so dirty I couldn't tell there was a hole in the inside!
J/k.
Check the bleeder screws/nipples to make sure they aren't plugged. A couple of mine were so plugged with **** that I had to spend 10 minutes and a paper clip to clean them out. At first I thought it was just a fake bleeder screw but it was just so dirty I couldn't tell there was a hole in the inside!
07-06-2009, 09:22 PM
#10
Cruisin'
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Well it turned out to be something elementary after all - a gunked up nipple. Should have tried another nipple before rushing to post a question. D'oh!
Thanks to all who gave advice.
Thanks to all who gave advice.
07-06-2009, 10:51 PM
#11
Nordschleife Master
