High speed intermittent steering wheel wobble

Lukeyboi89

Lukeyboi89

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Hi again,

Had no luck searching so thought I'd post this up also.

I get intermittent steering wheel wobble at motorway speeds.

It will happen for 3 minutes or so, then dissappear for another 10, but generally comes back.

I've changed wheels and tyres and the problem still persists so I'm confident it's not that.

Any further ideas or things to check? Car passes mot with no advisories..

Cheers
 
Lukeyboi89 said:
Hi again,

Had no luck searching so thought I'd post this up also.

I get intermittent steering wheel wobble at motorway speeds.

It will happen for 3 minutes or so, then dissappear for another 10, but generally comes back.

I've changed wheels and tyres and the problem still persists so I'm confident it's not that.

Any further ideas or things to check? Car passes mot with no advisories..

Cheers
Click to expand...

I had similar thing on mine, turned out to be my n/s brake calliper sticking causing the brake disc to get too hot and warp slightly causing the wobble. When it cooled it returned to normal.
After a drive check if both wheels feel the same temperature or if you have excessive brake dust on one front wheel.



Sent from my iPhone using Tapatalk
 
Thanks for the reply.

Now you mention it I do sometimes hear a noise from the front passenger side, and the calipers have done 90k.

I'll take your advice thank you.

If the caliper is shot, I was thinking to upgrade to bigger calipers, does anyone know any that bolt on cheapish upgrades?

I'm thinking s3 etc. Car is only for the road so nothing massive / over kill.


Abi said:
I had similar thing on mine, turned out to be my n/s brake calliper sticking causing the brake disc to get too hot and warp slightly causing the wobble. When it cooled it returned to normal.
After a drive check if both wheels feel the same temperature or if you have excessive brake dust on one front wheel.



Sent from my iPhone using Tapatalk
Click to expand...
 
audi upgrades
Quattro only models can suffer from wheel wobble at about 70 to 80 mph.
Usually prop shaft out of balance or prop rubber donuts going hard or cracking. For front wheel drive cars Check shockers, driveshafts, wheel bearings and brake discs/callipers.
 
SootySport said:
Quattro only models can suffer from wheel wobble at about 70 to 80 mph.
Usually prop shaft out of balance or prop rubber donuts going hard or cracking. For front wheel drive cars Check shockers, driveshafts, wheel bearings and brake discs/callipers.
Click to expand...

If it was any of these the problem wouldn’t be intermittent!!


Sent from my iPhone using Tapatalk
 
Discs dont warp they get uneven pad material transfer which gives the impression of being warped as the friction is different on different parts of the disc.
the Speed wobble is just something they do at 80mph, i have changed discs, wheels, wheel bearings, drop links, tyres and as you say it comes and goes. I am pretty sure its a frequency vibration set up by tread and some road surfaces , mine has done it for years and i can now pretty much predict which roads and sections of road it will do it on.
 
SootySport said:
Quattro only models can suffer from wheel wobble at about 70 to 80 mph.
Usually prop shaft out of balance or prop rubber donuts going hard or cracking. For front wheel drive cars Check shockers, driveshafts, wheel bearings and brake discs/callipers.
Click to expand...
Thank for the reply.

Yes I have they vibration / grumble from the rear diff area, which is coming for the rubber donut going hard / cracking as you mentioned.

I have the correct item to replace that than I get time. However, surely that wouldn't make wheel wobble as its the rear rubber donut that perishes not the front on these from what I read?
 
paddy said:
Discs dont warp they get uneven pad material transfer which gives the impression of being warped as the friction is different on different parts of the disc.
the Speed wobble is just something they do at 80mph, i have changed discs, wheels, wheel bearings, drop links, tyres and as you say it comes and goes. I am pretty sure its a frequency vibration set up by tread and some road surfaces , mine has done it for years and i can now pretty much predict which roads and sections of road it will do it on.
Click to expand...
Thanks for the reply...

Very strange indeed. My issue is even intermittent on the same stretch of motorway for example, I'll do some more testing etc though thanks.
 
Mine does it on the first couple of miles up the A140 from Ipswich and from Jct 8 of M25 heading east :)
The rear prop rubber will just give you a rumble through the floor.
 
audi upgrades
Lukeyboi89 said:
Thank for the reply.

Yes I have they vibration / grumble from the rear diff area, which is coming for the rubber donut going hard / cracking as you mentioned.

I have the correct item to replace that than I get time. However, surely that wouldn't make wheel wobble as its the rear rubber donut that perishes not the front on these from what I read?
Click to expand...

I had a split prop donut and it gave me the symptoms of an unbalanced wheel (took them back twice to check the balancing!)
 
dont want to pee on your fireworks but i changed mine when i fitted the new diff and it didn't make any difference.
 
paddy said:
dont want to pee on your fireworks but i changed mine when i fitted the new diff and it didn't make any difference.
Click to expand...
All info appreciated..

I have the donut anyway so will swap it at some point. And will sort the calipers as they need a coat of paint then go from there..

Cheers m
 
audi upgrades
When the rear donut on mine was no good it used to send a vibration through the car at about 40mph and above. All disappeared once I replaced it.
 
paddy said:
OK i bow to your experience :)
Click to expand...
I’m not saying this is definitive cure. There was a long thread on this subject 2 or three years ago and one forum member was advised by an Audi main dealer to have the prop shaft, donuts and centre bearing changed at a cost of £1200 for the parts but course would not guarantee the cure. No idea if he went ahead as it was not followed up and the thread died without a conclusion.
 
audi upgrades
Yea Audi only supply the doughnut or donut with the prop at £1200. "All German parts" did me a donut for about £40 from memory
 
I really dont think this is the problem however. Mine has shake at 82mph, not at 80mph and its gone by 85mph., it can literally do it for a mile then stop, i am sure its a frequency thing with the type of road surface and tread pattern. Sometimes it will start at 82 , can be really noticeable, slow down to 78 then back up to 82 and its gone ?
 
paddy said:
Yea Audi only supply the doughnut or donut with the prop at £1200. "All German parts" did me a donut for about £40 from memory
Click to expand...

that’s a really good price they’re normally circa £100
 
Yes i swapped mine front to back and it made no difference.
Yesterday i got it quite bad on the M23 going south but no sign at all of it coming back going north. Roads were really quiet but loads of high performance cars about, Lambo's, 911 turbo's and sport Merc's, i even followed a Porsche Carrera GT, when did you last see one of them ?
 
I’ve changed all 4wheels and tyres and made no difference, not because of the wobble but I was changing the the wheels cos I didn’t like the ones the car came with.
 
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