Bill:
You have some air in your system. When you depress the pedal,
the air compresses, when you release the peddle the air expands sharply
enough (like a spring that is suddenly released) to push the brake fluid
up against the cap.
If your brake pedal seems firm, I would guess that the air is in
your rear brake lines, where it has little effect on pedal feel. The
front brakes do the lions share of the work, so air in the back brake
lines has a commensurately smaller impact on performance and feel.
Vance
-----Original Message-----
From: 6pack-bounces@autox.team.net [mailto:6pack-bounces@autox.team.net]
On Behalf Of Bill Wellbaum
Sent: Thursday, December 09, 2010 6:02 AM
To: 6pack
Subject: [6pack] TR-6 Brake Servo Question
<snip>
Second question: I just replaced the master cylinder with a new unit
from
Moss. I now find a little puddle of brake fluid on top of the reservoir
cap
after a drive. I've taken to putting a small paper towel "diaper" tied
to the
cap until I find a remedy. When I pump the brake pedal I notice the
fluid
"spurts" against the reservoir cap. What would cause this?
Bill Wellbaum
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