How do you bleed newly installed brakes and pipes?

CVH and Zetec tuning, suspension and braking mods.

How do you bleed newly installed brakes and pipes?

Postby mintwhiters on Mon Nov 12, 2007 10:28 pm

As title really.... need to do it but not sure how, I have only ever bled them for new pad installs in the past :-?
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Re: How do you bleed newly installed brakes and pipes?

Postby edders on Mon Nov 12, 2007 10:36 pm

how do you do it when you fit the new pads? itd be the same way as your just pulling fluid through the pipes to get rid off air bubbles.

the way id do it is get hold of a mityvac and pull it through from the bleed nipple on the caliper.but thats because i have one.
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Re: How do you bleed newly installed brakes and pipes?

Postby Ollybee on Tue Nov 13, 2007 1:17 pm

Why would you bleed the system after fitting new pads? :-?
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Re: How do you bleed newly installed brakes and pipes?

Postby HCS PIMP on Tue Nov 13, 2007 4:43 pm

my thouight exactly why bleed with pads open the valve and pump like a sumo
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Re: How do you bleed newly installed brakes and pipes?

Postby xrsi on Tue Nov 13, 2007 4:59 pm

DO NOT JUST OPEN THE NIPPLE AND PUMP THE BRAKES IF THE SERVO HAS RUN DRY! if you pump the fluid through then you will kill the seals in the master cylinder.

The only way to do it is to get a pressure bleeder and force the fluid through under pressure but make sure the resof the master cylinder doesnt run dry at all, best thing to do is to run it all through so there are no bubles and then run another lot through as well to make sure that all is well.
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Re: How do you bleed newly installed brakes and pipes?

Postby mintwhiters on Tue Nov 13, 2007 5:35 pm

xrsi :DO NOT JUST OPEN THE NIPPLE AND PUMP THE BRAKES IF THE SERVO HAS RUN DRY! if you pump the fluid through then you will kill the seals in the master cylinder.

The only way to do it is to get a pressure bleeder and force the fluid through under pressure but make sure the resof the master cylinder doesnt run dry at all, best thing to do is to run it all through so there are no bubles and then run another lot through as well to make sure that all is well.


Thanks... just what I was after. :)
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Re: How do you bleed newly installed brakes and pipes?

Postby edders on Tue Nov 13, 2007 9:14 pm

xrsi :The only way to do it is to get a pressure bleeder and force the fluid through under pressure.



why is it the only way? i always thought you could use a mityvac to pull it through.
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Re: How do you bleed newly installed brakes and pipes?

Postby xrsi on Wed Nov 14, 2007 3:42 pm

yeah but that is a specialist piece of equipment that someone at home would not have access to.

Basically any way to force fluid through without the need to pump the brakes will work as long as the fluid is forced through when the nipple is opened will work the same.
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