[urq] ABS Failure

[SpotatAshleys]

If I were changing top strut mounts I would take the struts off the car and 
to do that with an ABS fitted car involves removing the ABS sensors from the 
struts as suggested by Jim.
I think that once you replace the sensor spacer caps (and have ensured the 
teeth on the 1/2 CV joint are clean) you will be back on the road.

Regards
Keith

'87 WR
----- Original Message ----- 
From: "Ingo Rautenberg" <ingo.rautenberg at gmail.com>
To: "Audifans list" <urq at audifans.com>
Sent: Tuesday, May 26, 2009 4:32 PM
Subject: Re: [urq] ABS Failure


> The following message was bounced off the audifans listserver
> (apparently due to me attaching an image file to the original
> email).  Hence, I have removed the image.  This was what i wrote
> Maurits on Monday morning.  Interested to find out what the outcome is:
>
> Maurits,
>
> Not sure how it is with the urq ABS cars, as we never got those. But
> obviously, something was disturbed when the shop did this work and so
> I would bring it back to the shop to have them fix the problem they
> obviously must have caused.  ABS sensors usually plug into the hub
> housing, which in the case of the Urq is part of the ABS Urq strut
> housing -- in which case the shop very well may have had to unplug
> the sensors and may not have pressed them in far enough (possibly too
> far) when they reassembled. Or maybe they forgot to attach one or
> both altogether. The sensors read the teeth on the halfshaft and
> compare that rotation to all three other wheels.  If one or more
> doesn't read a viable signal, the ABS is disabled.
>
> I have attached the relevant page for you to see what I mean<removed
> for the list>.  Good luck.
>
> Ingo
>
> On May 24, 2009, at 8:14 AM, Maurits Jonkergouw wrote:
>
>> Hi again, recently I had the front strut mounts done (at yet
>> another shop) and now the ABS Off light keeps coming ON. If I
>> manually push the ABS Off switch OFF, the light stays on, but if I
>> push the ABS Off switch ON, the ABS light goes out, but turns on
>> again 20 seconds later. I also confirmed the ABS itself doesn't
>> work if no matter the ABS Off light is ON or OFF.
>>
>> So the question is: do you need to detach the ABS sensors from the
>> wheels or touch the ABS system in any way in order to replace the
>> strut mounts?
>>
>> 2 steps forward, 8 steps back...
>>
>> Thanks.
>>
>> Regards,
>> Maurits
>>
>> 1986 quattro GV
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