Need Help with Brake Problem

[John Lagnese]

Agreed! I've BTDT with my 91 TQ 20V. I got a used one from Chris @ Force 5.
John

-----Original Message-----
From: quattro-bounces at audifans.com
[mailto:quattro-bounces at audifans.com]On Behalf Of LL - NY
Sent: Saturday, April 19, 2008 12:20 PM
To: b1biker at aol.com
Cc: quattro at audifans.com
Subject: Re: Need Help with Brake Problem


Sounds like the infamous brake Master Cylinder failure. I'll let others
chime in as to the reasons, but as the cylinder heats up, failing seals
allows the M/C to pressurize the brake system. As I recall, the quick test
of the failure would be to cool the M/C (a douse of cool water would do)
when the brakes seem to be dragging and see if they release. If they do,
it's time to replace the M/C.

On 4/19/08, b1biker at aol.com <b1biker at aol.com> wrote:
>
> Fellow Listers --
> I need advice/expertise in solving a problem with the brakes on my 88
> 5KSQ. Intermittently the brakes will fail to release after they have been
> applied. This condition may last for?a few minutes or the car might have
to
> set for a day or two before they release. The problem affects all four
> wheels but as of late it has been having a greater impact on the drivers
> side front wheel than on the others. When I began working on this issue I
> found problems with both rear calipers, they were subsequently replaced.
> I?just replaced the rubber lines to all four wheels, they were in bad
shape;
> as I was checking to see if the problem had been eliminated?I made 4 short
> trips of 5-10 miles each, in town,?on my way home the brakes hung up
again.
> I've yet to check to see if they have freed up overnight. Any advice on
> where to look/what to repair or replaced would be greatly appreciated.
> Gary Meier
> 86 Quantum GL5, 88 5KSQ, 91 Passat
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