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Old 06 Jun 2004, 05:08 pm
alan
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Default Re: Test ing a Brake Master Cylinder

CaptainKrunch wrote:
> Bingo on Master Cylinder. No big deal I got mine from a local Schucks on my
> 96 Accord EX with ABS for about 80$$$.
>
> What happens is the piston in the master is accustomed to traveling in a
> certain range when the pedal is pressed. When the brakes are redone and
> bled the pedal is usually pushed to the floor repeatedly to bleed the
> brakes. Well debris builds up on the cylinder wall of the master and when
> bleeding the piston travels over this previously unused area. This scuffs
> up or cuts the seal a bit and this is what causes your leakdown. You will
> notice it especially on a downhill stop.
>


Will it help prevent this builddup if we push the pedal all the way to
the floor (maybe by opening one bleed valve) a few times every few
thousand miles?
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