[urq] MB brake question

Thu Apr 3 11:11:38 PDT 2008

Hi, 

I'm running completely original MB brakes with Pagid RS 2-4 pads. Despite driving sometimes quite enthusiastically I have never noticed any fade in the brakes. The MB has twin pot G60's and 276x25mm discs these are the same as on the 20v cars, but the rear brakes are beafier on the 20v, but I don't actually know the measures. The pagid pads have been superb, the only downside, besides the huge amounts of brake dust,  is that they can squeal quite a lot especially when cold, and I can tell you it takes quite a lot to warm them up. Actually I think that you are not allowed even to drive these on the streets in Finland (I'm actually not sure)

Cheers, 
Johan
Helsinki, Finland
-88 MB still having her winter's beauty sleep

> Date: Wed, 2 Apr 2008 16:53:52 -0400
> From: David.Schaible at jrspharma.com
> To: urq at audifans.com
> Subject: Re: [urq] MB brake question
> 
> That sounds a lot like what happened to my 83, I replaced the MC and it
> was ok
> 
> 
> Other than your brakes not working properly......how do you like them,
> what setup are you running, I am curious as to what they changed the
> original design to for your 88.....mine has the g54s with a less than
> optimal MC that has too much front bias....and no adjustment.  There are
> better MC options if you have an old style and are going to replace it.
> 
> 
> 
> 
> 
> 
> -----Original Message-----
> From: Patrick Carlier [mailto:p.carlier at pandora.be] 
> Sent: Wednesday, April 02, 2008 12:10 PM
> To: Johan Hisinger; urq at audifans.com
> Subject: Re: [urq] MB brake question
> 
> It's the master cilinder !
> I've seen it before on an audi200 ( 5KQ ) .
> The brakes would bind occasionally , but only in the summer with
> the airco engaged . Without the airco the problem didn't occur .
> It has to be the extra heat that somehow blocked the master cininder .
> 
> If the brakes binded , a wet cloth around the master cilinder to cool it
> would release them immediatly .
> 
> Opening , cleaning and greasing the master cilinder didn't help .
> The internals looked perfect though .
> To be absolutely sure , I've rebuild the four calipers .
> Didn't help either .
> 
> So I finally put on another master cilinder , and the problem was gone
> and has never occured again .
> 
> Sadly there's no gasket kit available so replacing it was the only
> option .
> 
> Pat
> 
> 
> 
> 
> ----- Original Message -----
> From: "Johan Hisinger" <milisen at hotmail.com>
> To: <urq at audifans.com>
> Sent: Wednesday, April 02, 2008 8:58 AM
> Subject: [urq] MB brake question
> 
> 
> > Hi Guys,
> >
> > I have a small problem, I beg your pardon if this has allready been
> discussed on the list.
> >
> > My -88 MB does OCCASIONALLY the following:
> >
> > last summer on my way home sitting in heavy traffic, only on hot
> summers
> days, and even then very occasionally, at first the brake pedal started
> to
> feel a bit firm. I had no problem with lack of brake assist though and
> the
> pedal travel was normal.
> >
> > When I got out on the motorway (about 80-100 km/h), and after a few
> minutes drive the pedal went almost all the way to the floor, before the
> brakes worked, and at this stage there were no assist on them. I have
> never
> had a problem with brakes locking up.
> >
> > This happened about 3-4 times during whole last summer, and I drove
> the
> car to work every day.
> >
> > The problem ought not be with the bomb while it is quite new. I cannot
> remember how many times I can press the pedal before it gets hard, from
> the
> top of my head approx. 20-30 times.
> >
> > The weird things are that this happened very occasionally and only
> when it
> was hot, after sitting in heavy traffic, never during a traffic jam.
> >
> > Any ideas?
> >
> > Cheers,
> > Johan
> > Helsinki, Finland
> > -88 MB with NEW window winders and studded tires
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> 
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