Brake thoughts please

Think you broke it or don't know what to do?
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Nobbi1977
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Re: Brake thoughts please

Post by Nobbi1977 » 11 Aug 2013, 17:45

Mattzo27 wrote:Think im goin to have to go for a new caliper. Took it off cleaned down back on the bike and went out the discs still bloody hot and lose brake pressure.

I think whats happening is the piston is jamming ( I had hell of a job getting it in) pad is dragging disc gets bloody hot brake fluid boils and I lose rear brakes. After minute or so they come back after air settles again.

Anyone else have an idea?

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Unless it is "new" then it will still be a risk. Strip and clean it then if not confident then pop it to a main stealer for seals fitting.

Or get a second hand one to recon while you keep the bike on the road.

Push the pistons of the old one all the way back and do not put any fluid in, it will not rub then

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Mattzo27
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Re: Brake thoughts please

Post by Mattzo27 » 11 Aug 2013, 18:44

herbalisticharry wrote:Strip it and clean it....
See the how too section, blagger must have done a write up.... he usually does even if it turning on ignition . :lmao:


€$¥ l!f€ B0i :farmer:

Its aboit the only how to thats not there lol


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esxr7.5
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Re: Brake thoughts please

Post by esxr7.5 » 11 Aug 2013, 19:04

There are a few how to's on some other forums, have a search through!!
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Nobbi1977
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Re: Brake thoughts please

Post by Nobbi1977 » 11 Aug 2013, 19:46

Mattzo27 wrote:
herbalisticharry wrote:Strip it and clean it....
See the how too section, blagger must have done a write up.... he usually does even if it turning on ignition . :lmao:


€$¥ l!f€ B0i :farmer:

Its aboit the only how to thats not there lol


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Undo everything

Clean

Reassemble in reverse order of disassembly


Simples




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blagger
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Re: Brake thoughts please

Post by blagger » 11 Aug 2013, 19:50

herbalisticharry wrote:Strip it and clean it....
See the how too section, blagger must have done a write up.... he usually does even if it turning on ignition . :lmao:


€$¥ l!f€ B0i :farmer:


:lmao: im sure i got one for wiping ur arse as well somewhere lol

But i agree with others that u have the risk of running into the same prob, best bet is to strip n clean. If the caliper bodies are ok then no need to chuck away as rebuild should sort it out for you

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Re: Brake thoughts please

Post by blagger » 11 Aug 2013, 20:02

Check my srad build thread and i should have caliper cleaning there.

Unbolt the caliper from the bracket.
Get a spanner and place between pistons.
Pump the rear brake to push the pistons out. Dont let one pop all the way out, but try and get them equal.
Bolt the caliper back onto the bracket and this makes it easier to undo the caliper body bolts. Crack them off so u can start to undo them.
Unbolt the hose banjo from the caliper and remove the caliper from the mount.
Wich the caliper off, carry on undoing the body bolts.
Seperate the 2 halfs. Keep a look out of the joining o ring
Carefully remove the pistons from the bodies.
Now u can carefully remove the dust seals.
Do not scratch the pistons or walls of the caliper.
I would suggest that once the dust seals are out, clean the pistons and get some red rubber grease on the piston and pish them back in. Bolt the caliper back up and test to see if thats helps. If it does get some new dust seals. If not get new fuild seals.

Make sure the right seals have been used. Some idiot on my old caliper user a mashed up o ring and it just keeped binding the piston and the brake

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Re: Brake thoughts please

Post by Mattzo27 » 12 Aug 2013, 16:03

Chers for that. Will get another caliper to pop on while I sort this one me thinks as I can be without a bike

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