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Old 04-08-2010, 11:46 AM
CapeRanger CapeRanger is offline
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Default Trouble pre-bleeding a new brake master cylinder.

I'm trying to pre-bleed a new master cylinder per the included instructions. I'm hoping someone who's done this before can straighten me out. I just can't get all of the air out of the master. Bubbles keep pumping through both hoses. I'm sure the hoses are submerged in the top of the reservoir, and they're attached properly.
Should I pump the master quickly or slowly? Should I pump continuously, until the bubbles stop, or should I give it a rest?
It just seems that the instructions are a bit vague, missing the little techniques that are required to be successful. All of your comments are encouraged, and appreciated.
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Old 04-08-2010, 12:40 PM
mazdaman mazdaman is offline
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Default Re: Trouble pre-bleeding a new brake master cylinder.

slowly and keep going until you get no more air , are you using rubber lines or steel lines , steel works better
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Old 04-08-2010, 12:59 PM
CapeRanger CapeRanger is offline
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Default Re: Trouble pre-bleeding a new brake master cylinder.

Thanks, I got it now. Slowly worked. I was using the rubber hoses that came with it.
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