[urq] brake pedal feel

[Maurits Jonkergouw]

Having exact the same problem... Replaced my brake master cylinder, 
proportioning valve (front-rear bias thingy) and pressure accum. (aka the 
bomb) and non of these solved it. Yes, I also suspect the bomb is at fault 
again. If not, it's one of the pressure valves in the valve block beneath 
it.

BTW
A. Can you hear ticking noises which stop and return when you touch the 
pedal or wheel slightly?
B. If you accelerate fast, your pedal is initially hard accordingly?

Regards,
Maurits

1986 GV (Swiss WR)
1985 CGT KV
1982 GL DD


----- Original Message ----- 
From: "Max Hoepli" <mhoepli at vif.com>
To: "Urq List" <urq at audifans.com>
Sent: Tuesday, November 29, 2005 8:48 PM
Subject: Re: [urq] brake pedal feel


I think the pressure accumulator is at fault, very little brake assist,
brake booster not getting pressure

----- Original Message ----- 
From: "SpotatAshleys" <spotatashleys at hotmail.com>
To: <urq at audifans.com>
Sent: 29, November 2005 13:43
Subject: [urq] brake pedal feel


> Evening All (at least it is here)
> I have a strange feel to my brake pedal at the moment. If I describe the
symptoms I'd be grateful for a possible diagnosis.
>
> When you press the pedal gently the pedal feels like normal and the brakes
work reasonably well. If you stand on the pedal hard the pedal feel is hard
with very little braking effect but if you stay on it (maintain the
pressure) the full assistance comes in and the brakes suddenly work well. At
least at the moment the brakes are stopping me but it is a little
disconcerting to say the least. Is this a signal of something starting to
fail or can it be to do with adjustment of the rear brakes? I have a problem
with these not adjusting properly recently and am trying to work out why but
the ground is covered in snow and I don't really want to get under it for
the time being (wimp? me? nooo)
> Any suggestions gratefully received.
>
> Many thanks
>
> Keith
>
> '87 WR