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 Post subject: Brake line filling
PostPosted: Sat May 07, 2016 10:28 am 
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Joined: Sat Mar 07, 2015 5:09 pm
Posts: 18
Folks, I need some help with my brakes. I changed the pads on my CBR600 Jelly Mould and am struggling to get the fluid to bleed through. Has anyone got any tips/help they can offer. I think I need something to draw the fluid through from the mater cylinder.Need to get it MOT'd this month.
My mobile is 07909907260 if its easier to call,
Thanks


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 Post subject: Re: Brake line filling
PostPosted: Sat May 07, 2016 11:32 am 
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Joined: Thu Aug 14, 2008 4:23 pm
Posts: 618
Hi Steve,

Depends upon how much air is in the system but a tip that I have used effectively is to pull the lever back to the handlebar and then keep it pulled back (i.e. as if you are still operating the lever) using a zip tie or similar. You then leave it like that typically overnight and you should find that the air bubbles make their way back up to the master cylinder under the hydraulic pressure. You can use the same method on the rear brake but it is a little more difficult obviously.

Good Luck!
Simon E


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 Post subject: Re: Brake line filling
PostPosted: Mon May 09, 2016 12:03 pm 
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Joined: Wed Sep 07, 2005 8:49 am
Posts: 254
I found that the design of the calipers captures the air in a unbleed able position - I got over this by removing the calipers and using a stand in disc (lump of wood) I position them with the nipple uppermost - thus where the air collects and they then bleed ok - tricky but fun.


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 Post subject: Re: Brake line filling
PostPosted: Tue May 10, 2016 7:33 am 
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Joined: Sat Mar 07, 2015 5:09 pm
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Thanks guys, the brake lever tied back seems to be working as I got one side bled ok last night and the other side was beginning to produce some fluid too. Then it went too dark to see!


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 Post subject: Re: Brake line filling
PostPosted: Tue May 10, 2016 8:53 am 
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Hi Steve - glad it is working for you - you shouldn't need to bleed them further at the calliper though as you risk introducing more air into the system, you should find that releasing the pressure , operating them a couple of times and then putting them under pressure again and leaving them overnight again should entice the air out. Good luck Simon


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 Post subject: Re: Brake line filling
PostPosted: Wed May 11, 2016 8:25 am 
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Joined: Sat Mar 07, 2015 5:09 pm
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Thanks Simon, that helpful to know.
Steve


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