StevenB
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 posted on 13/12/07 at 08:47 PM |
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Bizarre tram lining experience
Can anyone let me have their opinion
on wether having a brand new tyre on one
side and a barely legal worn tyre on the other side
of a front wheel drive (A4 1.8T)
would cause a bizarre sensation of "having
a loose front wheel" as the wheels (having different
circumferences) try to match each
others progress?
I cant explain it any other way and im baffled.
And now I have a second new front tyre
I think its gone away.
Im probably talking b0770x.
cheers
s
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zilspeed
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| posted on 13/12/07 at 08:49 PM |
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Is it a quattro ?
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StevenB
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| posted on 13/12/07 at 08:51 PM |
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no just the standard FWD.
AUDI had it on the ramps and say apart from the fact the car is 10yo its fine.
Checked all the usual front arms etc.
All spot on.
s
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onzarob
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| posted on 13/12/07 at 09:11 PM |
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quote:
Originally posted by StevenB
Im probably talking b0770x.
cheers
s
No your not, think about it if one wheel is worn and the other is new then they are different sizes causing the diff to be out like going round a
corner except you going in a straight line.
Hence making it react oddly when the camber changes over white lines.
It bad practice to change just one wheel on the front as it puts strain on the differential 
some 4 wheel drive car recommend you change all 4 due to the centre diff as well
So you not going mad
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RazMan
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| posted on 13/12/07 at 09:12 PM |
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I have experienced weird handling like this on some cars. Can be down to a mismatch of tye profile/compound/wear rate etc. In any case I would try and
match tyres on the same axle to minimise problems.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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jacko
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| posted on 13/12/07 at 09:16 PM |
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Hi i have just fitted a new tyre to the n/side of my vectra and it is doing the same as your car it feels very funny
Jacko
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omega 24 v6
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| posted on 13/12/07 at 09:22 PM |
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My Omega does exactly the same thing. I reckon it's because the suspension on most large cars now run quite a bit more camber.
If it looks wrong it probably is wrong.
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StevenB
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| posted on 13/12/07 at 10:44 PM |
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Cheers guys thats settled the nerves a bit.
s
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stevebubs
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| posted on 13/12/07 at 11:47 PM |
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quote:
Originally posted by onzarob
some 4 wheel drive car recommend you change all 4 due to the centre diff as well
IIRC, the cavalier and calibra 4x4s were notorious for diff problems if the tyres weren't worn evenly between front/rear
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britishtrident
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| posted on 14/12/07 at 11:46 AM |
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Yes it will cause a really odd feeling -- also more torque steer which Audis are pretty bad for anyway.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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