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bleeding new brake system
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Author:  nicholasatkins [ Wed Apr 22, 2015 10:46 am ]
Post subject:  bleeding new brake system

Hi,
Do i need to do anything special to bleed a new brake system (new master cyilinder, lines, slaves) currently has no fluid at all.

thanks

Author:  Timbo [ Wed Apr 22, 2015 11:50 am ]
Post subject:  Re: bleeding new brake system

I use a Gunson Eezibleed and for a Mini they recommend bleeding the m/c seperately first. i.e. with the rest of the system disconnected.

I have a bit of plastic tubing jammed into the end off a flexible brake hose that I use. It fits the thread in the top of the master cylinder and lets you direct the fluid into a jar.

Tim

Author:  Fishyoil [ Wed Apr 22, 2015 2:27 pm ]
Post subject:  Re: bleeding new brake system

I went through this recently. Bench bleed MC's first before attaching to lines. I then gravity bled the system by cracking open the bleeder furthest away from MC working my way towards them, although I have read people opening them all at once.

I have a brake booster under the right wheel arch which I bled first.

How is your pedal assembly? If I had to do it again, I would clean that up before reassembling the MC's to the firewall...

Author:  Hanra [ Wed Apr 22, 2015 3:14 pm ]
Post subject:  Re: bleeding new brake system

What is the benefit of bleeding the M/C first?

Ive never done and had no dramas bleeding up a bone dry system.

Author:  Fishyoil [ Wed Apr 22, 2015 4:07 pm ]
Post subject:  Re: bleeding new brake system

It was my first attempt to bleed brakes ever and I simply went on what I read and was advised. Perhaps for gravity bleeding, having some fluid in the cylinders first helps things get going.

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