SEVERE 'WOBBLE' ON Audi A3 T FSI SPORT QUATTRO 5 DOOR HATCHBACK (2005)

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owlfandan67

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Afternoon,

I have an Audi A3 Quattro sportback 2.0l turbo and it has developed a ‘wobble’ which I believe is coming from the back end, the best way of describing it is that it feels like there is a gust of wind blowing the car every so often. I have had it looked at in the recent past and it looks as though there may be something wrong with the 4 wheel drive system as the mechanic says he thinks one of the wheels is moving independently from the others? he also tried to re track the car after two front wheel bearing and he says he couldnt get it close as the back end was out from the front ? 8 or 12mm difference i think he said?


Couple of questions im hoping someone may be able to help me with is :


1. Has anyone heard of this before ? and what should i be looking at fixing ?

2. Is it dangerous ? it seems pretty stable and the mechanic hasnt told me to stop driving it ...

3. if it is the transfer box bearing as he says is a pure guess how much am i looking at forking out? as im in the middle of buying a house so funds are low at moment.

Audi are quoting £113 for the diagnostics is there any cheaper options out there that people know and trust in the sheffield area?

thanks for any replies in advance
 
The unfortunate thing is, its a physical check mostly afaik, so no matter where you go its going to take time to diagnose, may require stripping down some parts to properly diagnose, so find a very good vag indy to minimise your hourly rates.
 
Id say any car you are describing as having SEVERE WOBBLE ... probably don't drive it lol ... that's my non-expert opinion.
 
id say the bushes on the wish bone. or at least a bushing of sorts.

i know its not the same but my bros car passed its mot few months back and then one day few weeks back he went to drive off but i called him and he stopped and i noticed the wheel was moving forward under braking pressure.
turnt out the rear bush of the front lower arm was cracked, but we got a pry bar and it didnt budge but you could actually see it moving applying and reapplying the brakes at a slow walking speed


so id say its gotta be some thing along those line, but as nhn says take it to a dub specialist as they will know were to start and what bits to look at. thing is even with the longest pry bar you cant exert the force applied by the cars lateral forces.
 
from your description it sounds like the driveshaft spline might be exiting the rear box or similar ...now I know jack about quattro systems, but I wouldn't drive it as you risk causing serious damage & a having big accident if that's what's happening.
 
Artimus said:
from your description it sounds like the driveshaft spline might be exiting the rear box or similar ...now I know jack about quattro systems, but I wouldn't drive it as you risk causing serious damage & a having big accident if that's what's happening.
Click to expand...
As far as im awar the dive shaft spline can not pull fromt he diff. The drive shaft is bolted to the output drives. . Als
 
Artimus said:
from your description it sounds like the driveshaft spline might be exiting the rear box or similar ...now I know jack about quattro systems, but I wouldn't drive it as you risk causing serious damage & a having big accident if that's what's happening.
Click to expand...
Firstly there would be way more then a wobble to pull a driveshaft. Plus the drift shafts are bolted to the out put shafts on the diff.

So as you said you have no idea about quattros so you cant make second gueses. Its only going to be bushes as things like wheel bearings and visual damage would have been quickly spotted.
 
boost-addict said:
Firstly there would be way more then a wobble to pull a driveshaft. Plus the drift shafts are bolted to the out put shafts on the diff.

So as you said you have no idea about quattros so you cant make second gueses. Its only going to be bushes as things like wheel bearings and visual damage would have been quickly spotted.
Click to expand...
be interesting to find out, don't you think? :)
 
My old S3 kind of done the same thing but had a droning/vibration along with it. Turned out that the top hat section of the propshaft where it went into the diff had started to shear so was replaced under warranty. This happened twice on the same car so I dont know if it was a batch of dodgy propshafts.
 
As already said it does sound like bushes, check the arb bushes also for wear.
 
I would have also thought propshaft bushes by the description but that wouldnt really through the wheel alignment out
 
Cheers ill have a look in to your ideas and hopefully keep you posted on what i find, maybe severe is a bad choice of words but it is annoying and worse when there is passenger in the back !
 
Where are you at then someone might be able to point you in the right direction of a good independant specialist in that area?
 
Sorry to resurrect an old post but what was the outcome of this ? I am having a wobbling under acceleration issue with my 2.0 FSi tiptronic
 
Garfybeds said:
Sorry to resurrect an old post but what was the outcome of this ? I am having a wobbling under acceleration issue with my 2.0 FSi tiptronic
Click to expand...

It was the rear suspension arm bush that had failed .... 3 out of 4 garages didn't spot it which I wasn't very happy about bit it's fixed now
 
I have mine booked in to Audi Milton Keynes to diagnose the problem - I'm really hoping they can identify the problem.
 
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