[Biturbos4] [audi20v] HELP with S4 wheel bearing

Wilson Northrup northrup at crazybug.com
Fri Apr 20 20:58:59 EDT 2007


tire rubbing the spring?! that seems unexpected.  what size tire? stock 
wheels?

wilson

On Sat, 21 Apr 2007, mike wrote:

> All done, thanks to those that responded.
>
> Unfortunately I didn’t see Scott’s mail until too
> late...
>
> I gave up on the abs sensor and did the bearing with
> the strut still attached to the car via the abs
> wiring, didn’t think to find the other end and
> disconnect.
>
> The old bolt got re-used, I tried to get the 85 ft-lb
> +180 but at about +135 degrees it felt like something
> was going to break so I stopped.
>
> Total time start to finish 5 and a bit hours, bearing
> fault was a broken up bit of case hardening, about 1/8
> diameter on the outer race on the driveshaft end of
> the bearing. This made no noise when rotated off the
> ground but got noisier when loaded (left rear bearing,
> noisier going round right hand bends).
>
> It did have some movement  (maybe 1/8 or less at the
> tyre) when moved by hand but when being driven it
> appeared to allow enough movement for the tyre to
> touch the spring  as it left some polish marks. This
> seems a bit strange to me but I can’t think what else
> could have caused the polish marks.
>
> Anyways, thanks again
>
> --- QSHIPQ at aol.com wrote:
>
>>
>> Mike
>> I leave the ABS sensor in.  It should be a push in
>> and seat  type.  If it
>> turns but is stuck in, leave it, you will break it
>> trying to  get it out.  The
>> plug for it is under the rear seat in a plastic
>> retaining  clip.  Unplug it,
>> then pull out the rubber body plug on the axle side
>> of  the wiring and get the
>> ABS sensor wire free.  Then remove the hub with the
>> sensor attached.  Carefully
>> zip tie the sensor wire out of the way and do  the
>> normal bearing R&R.
>>
>> This is common on the rear quattro chassis
>> A4/S4/A6/A8 etc....  The  torque
>> spec given is for a new unused stretch bolt.
>> Otherwise you can snap  an old
>> bolt trying to get the 180 spec.  Just get it tight.
>>
>> HTH
>>
>> Scott Justusson
>> In a message dated 4/20/2007 1:26:43 P.M. Central
>> Standard Time,
>> mikemk40 at yahoo.com writes:
>>
>> Guys
>>
>> car is a ’99 S4, it’s the early one with solid
>> rear
>> discs
>>
>> http://www.audiworld.com/tech/wheel45.shtml
>>
>> shows  the abs sensor as retained with a plate held
>> with a little allen bolt. Mine  doesn’t have this
>> and I
>> can’t see how to get the sensor out. It does turn
>> but
>> doesn’t seem to be moving
>>
>> Can someone with a Bentley or similar  have a look
>> and
>> offer some advice please and also confirm the
>> driveshaft  bolt as being 85ftlb + 180 degrees
>>
>> Quick response would be appreciated  as it’s
>> 8.20pm
>> here and I want to go home,
>>
>> a real real kindness  would be to also give me a
>> ring
>> so I know there is mail +44 1234766545, two  rings
>> and
>> hang up so it will be free for you
>>
>> Thanks very much.
>>
>>
>>
>>
>>
>>
>>
>> ************************************** See what's
>> free at http://www.aol.com.
>>
>
>
>
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