Ge
Although the brake hoses may be bad they don't usually fail all at
once. The Girling servo on the other hand will lock up the brakes
quickly. I vote for a failing servo. My experience is that the vacuum
piston sticks in the pressure on position due to fluid in the can and
will release when the large spring overcomes the friction between the
piston leather seal and the can bore. In really bad cases the piston
does not release on its own and the hydraulic pressure in the line must
be released by cracking a fitting open a bit in order to move the car.
The servo will usually lock all four wheels if the rear shoes are in
adjustment. A rebuild or replacement is in order.
Aloha
Perry
-----Original Message-----
From: Gaagten <gaagten@hetnet.nl>
To: Healey forum <healeys@autox.team.net>
Sent: Mon, Jul 20, 2009 6:16 am
Subject: [Healeys] Brake servo
Hello,
Yesterday I intended to go for a ride. Taking the car out of the garage
I
noticed a strange behavour of my brakes.
The pedal felt very hard and not too much breaking was there. I just
drove
some blocks and nothing was chanced. Pushing the brake pedal several
times
resulted in blocking of the front brakes and the car could not be moved
anymore).
However after a little time the brakes released themselves again.
My conclusion is that something is wrong with the brake servo. The
servo is on
the car as long as I have it (almost 15 years, about 20.000 km)
So, if I have to replace the unit, which servo type should I take. I
have
probably a girling now. I know that the substitute for this is a Lockeed
servo.
Any other idea
Thanks and regards,
Ge Aagten
BJ8
The Netherlands
Healeys@autox.team.net
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