Re: Anti lock brakes-Broke?

[John Graham <jgraham1@erols.com>]

Max wrote:

> Hey howboutthat, right on the money.  Relay is under right side of dash.  Either
> remove the cap exposing a square hole giving access to relay's or remove the lower
> cover (only about five screws) to get at it.
>
> Now another question.  Do Audi ABS systems make a weird sound when it operates (most
> people never experience the thing in operation).  The sound I am talking about is
> not the the typical thumps and shaking pedal like many other systems, but a strange
> sound coming from the ABS valve (mechanical control unit).  This sound is like a,
> cordless drill revving up accompanied by some other sounds (closest description I
> can think of).
>
> Does this sound familiar at all?
>
> I have never heard the thing work cause it was broken when I got it.
>
> MAX   :-}

Yes. It sounds like one of the wheel sensors needs to be cleaned oradjusted at the min.
Or replaced at the worst.

John
1990 QC


>
>
> John Graham wrote:
>
> > Max wrote:
> >
> > > I have the same problem with my ABS, do you know where this relay lives?
> > >
> > > Max
> > >
> >
> > In US cars, my 1990 coup'e that is, it's under the dash on the drivers side were
> > the otherrelay panel is.
> >
> > John
> > 1990 QC
> >
> > > John Graham wrote:
> > >
> > > > Jkrd wrote:
> > > >
> > > > > I have a 1986 5000 CS Quattro and my anti lock system OFF light is always
> > > > > lite on my
> > > > > dash.and pushing the on/off switch does not change it.So I have no idea if
> > > > > the anti lock part of my braking system works.
> > > > > I do not know where to start looking for the problem. Can anyone help?
> > > > >
> > > > >                      Joan
> > > >
> > > >   There's a ABS power relay that has a fuse on the top of it.
> > > > If that fuse is blown the ABS light will stay on.
> > > > If the relay is bad the light will also stay on.
> > > >
> > > > John
> > > > 1990 CQ