madteg
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| posted on 27/12/06 at 08:52 PM |
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brake problem
all four brakes are coming on, when they warm up and staying on, what could be the cause of this. have to let pressure of then they are ok,
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ch1ll1
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| posted on 27/12/06 at 08:57 PM |
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whats your brake set up?
single/twim master etc?
where do you release the pressure from?
[Edited on 27/12/06 by ch1ll1]
[Edited on 27/12/06 by ch1ll1]
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JoelP
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| posted on 27/12/06 at 08:58 PM |
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all 4 would imply a master cylinder problem. Is it single or twin? Do you have a spring to ensure that the pedal returns fully?
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mike.williams1
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| posted on 27/12/06 at 08:59 PM |
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brakes holding on
i would check the pivot from master cylinder to the pedal i have seen similar fault on a peugeot 106.
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robinj66
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| posted on 27/12/06 at 09:15 PM |
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I've just had a similar problem on my Cobra but it only affected the front brakes. If you let out fluid through a bleed nipple the brakes are
ok.
Firstly check that you have left enough "space" in your reservoir for the fluid to "expand" once the brakes are hot.
If that is all ok then it's a problem with the master cylinder - had mine out 3-4 times and changed/checked te sealsbut nothing would sort it. I
ended up replacing the master cylinder and everything is ok now ( I think the bore was a little scored)
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t.j.
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| posted on 27/12/06 at 09:28 PM |
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I would suggest to look if the mastercilinder comes into the orginal rest position. Probably not. So the fuild can't flow back which causes
these problems.
Grtz Theo
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madteg
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| posted on 27/12/06 at 10:13 PM |
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brakes
thanks will have another go tomorrow.
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David Jenkins
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| posted on 28/12/06 at 08:35 AM |
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When they lock up, try hooking your toe under the pedal and pulling it back up. If the brakes free off, it supports the "not returning to the
ready position" theory suggested earlier.
David
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RazMan
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| posted on 28/12/06 at 12:39 PM |
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quote:
Originally posted by David Jenkins
When they lock up, try hooking your toe under the pedal and pulling it back up. If the brakes free off, it supports the "not returning to the
ready position" theory suggested earlier.
David
Exactly my thoughts - you might need to install a return spring to allow fluid to move around correctly. It might be binding pivot linkages or just
need bedding in.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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