kevbn2
L plate rider.
Posts: 43
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Post by kevbn2 on Jun 2, 2013 15:33:49 GMT 1
my front brake keep comin on and stayin on but not all the time and im getting a build up of presure in the system to the extent that you cant pull the lever in, then it goes normal again then on solid it is much worse when hot i have bleed them so no air locks and i cant see that the pistons are stickin?
Any help would be appreciated
cheers kevin
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Post by arrow on Jun 2, 2013 15:39:20 GMT 1
Is the tiny hole in the master cylinder clear?
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kevbn2
L plate rider.
Posts: 43
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Post by kevbn2 on Jun 2, 2013 15:56:48 GMT 1
thanks but sorry to be stupid where is it?
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Post by oldelsieboy on Jun 2, 2013 16:16:40 GMT 1
Do you have sufficient free play at the lever?
OEB
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Post by bare on Jun 2, 2013 16:55:38 GMT 1
Geriatric rubber brake hoses sometimes deteriorate/swell internally to the extent that they act as a one way valve.
If it isn't your master's wee hole, then it's likely you need fresh brake lines
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kevbn2
L plate rider.
Posts: 43
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Post by kevbn2 on Jun 2, 2013 17:01:21 GMT 1
thanks and the play in the lever varies at times it is solid then your get the normal amount of play then its goes solid again!!!
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Post by arrow on Jun 2, 2013 17:19:39 GMT 1
Here is a Suzuki rear master cylinder showing the tiny hole. Your layout will be similar. Don't know why its showing two photos? [a href="  "] [/a] |
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Post by Yogi on Jun 2, 2013 18:08:33 GMT 1
Silly question You ain't just got too much fluid have you,sure it swells up when it gets warm,just a thought
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kevbn2
L plate rider.
Posts: 43
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Post by kevbn2 on Jun 2, 2013 18:53:37 GMT 1
no level ok thx tried dropping level as well still happened seems like the system is pressurizing then de-presurizing on and off at will!
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tomtom1
Thrash Merchant
Leeds
Posts: 355
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Post by tomtom1 on Jun 2, 2013 22:20:36 GMT 1
My mate had exact same problem with the rear on a aprilia and only way to get it to let go was to crack bleed nipple off
turned out to be the brake was binding and expanding fluid putting brake on, so check to see what binding
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Post by icarus001 on Jun 3, 2013 9:58:32 GMT 1
Sticking pistons.
I had the same.
Strip, clean and rebuild.
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kevbn2
L plate rider.
Posts: 43
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Post by kevbn2 on Jun 3, 2013 12:36:14 GMT 1
thx for all the help from you all. i have completely stripped now and it the pistons sticking! again thx it is really great as a newbe to get so much help and advice.
great forum
life the dream
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