Reply to "missing pressure build up in brake system"

jfb05177Member

quote:
Originally posted by Rocky:
I hope the true expert can chime in on your question. Good Luck
Rocky

Well, I ain't He...But something it might me

quote:
Originally posted by Mat_G:
b) The over stand of the push rod coming out of the Vacuum container has an over stand of app 8mm/0.3 inch at no action, hence the main cylinder hast already some push in at ZERO Brake pedal move, app 5mm/0.2 inch

Matthias

I am "thinking" the main cylinder push rod has to have a gap between the vacuum booster so that the cylinder can return all the way and only then will it allow fluid from the resivoir to enter the cylinder

Now, to pull fluid from the resivoir into the cylinder depends upon the vacuum that is created when the full down cylinder is released. Having an system empty of fluid (but full of compressiable air) means a VERY small vacuum is created to pull in fresh and only a very small amount of air is burped when pedal is held on floor for the bleed

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5/19/1812:29 PM

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