[AT] What are failed Master Brake Cylinder Symptoms?

[Richard Fink Sr]

Dean IMHO it is master cyl. from experience.
R Fink
PA



At 07:06 PM 7/13/2005 -0700, you wrote:
>I have a brake problem all of a sudden on 68 Ford N600. Brake pedal took
>several pumps to develop pressure, then bleeds off under pressure. If not
>used for e few minutes takes several pumps again to get pressure and then
>bleeds down slowly under peddle pressure.   No improvement over time. Can't
>tell if all four wheels are getting brake activity but there isn't much
>braking power at all even under heavy foot peddle pressure. Fluid level ok
>and not dropping. Something is terribly amiss but I don't know how to
>isolate the problem?  Master Brake Cylinder? Vacuum assist leaking? All four
>hub cylinders leaking? Leaking line? (No loss of fluid right now but Master
>Cylinder went dry over the winter during non-use!) A bunch of air in the
>lines?
>
>I don't recall having brakes fail this drastically before or not eventually
>self bleed. I'm really confused. Where do I start to diagnose the problem?
>Can this just be a Master Cylinder failure or is it something else? Sure not
>safe to drive this way.
>
>I'm reluctant to start throwing parts at the problem until I know for sure
>what is wrong. Not sure I've ever had this major of brake failure before. I
>need help.
>
>Dean A. Van Peursem
>Snohomish, WA 98290
>
>I'm a walking storeroom of facts..... I've just lost the key to the
>storeroom door
>
>
>www.deerelegacy.com
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