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Wheel wobble/vibration at 88mph. Why?
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simonpj   
Tue Mar 25 2014, 03:29pm
Joined: Mar 17 2014
Member No: #1631
Location: Cambridge
 Not a strong vibration, but there. And only really lasts between about 87 and 90 mph - so not an issue that's going to be a significant practical problem.

Will it be a wheel balance problem? Or is this kind of thing a tracking or suspension bush issue on the C6?

Thanks,

Simon
C6Dave   
Tue Mar 25 2014, 05:05pm

Joined: Oct 01 2009
Member No: #1
Location: Northumberland
 Very strange, are the tyres OK?
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Tjensen   
Tue Mar 25 2014, 05:28pm
Joined: Jul 17 2012
Member No: #954
Location: Bergen
 I had the problem, it was dirt on the inside of the wheels !
Rettopian   
Tue Mar 25 2014, 07:23pm
Joined: Feb 13 2013
Member No: #1195
Location: Wiltshire
 Check for ware on the inside shoulders.
simonpj   
Wed Mar 26 2014, 08:20am
Joined: Mar 17 2014
Member No: #1631
Location: Cambridge
 Thanks for your replies.

The front tyres are different makes - a one year old Goodyear and a new Primewell (not my choice - I bought the car last week with this set up).

If dirt or inside shoulder wear might be an issue it sounds as if I should get that checked - and change over to a matching set of front tyres.

Best,

Simon
Jodyone   
Wed Mar 26 2014, 09:24pm
Joined: Mar 24 2013
Member No: #1240
Location: Cornwall
 Every time I've had speed related vibrations it's been tyre wear, usually on the inside shoulders. I know it seems obvious to say, but they really are wide tyres on the C6 and you have to get right in there to see properly! You might be surprised how gone they are.
Bishop   
Thu Mar 27 2014, 04:00pm
Joined: Apr 16 2012
Member No: #868
Location: Harpenden
 Not wheel-bearings?
e3steve   
Thu Mar 27 2014, 04:17pm
Joined: Jan 21 2013
Member No: #1163
Location: Warsash, Hants & Palma de Mallorca, Spain
 Or could be FRIPs (front top & bottom swivels).....

Turn the steering hard-over and check for rust stains emanating from the bottom swivel each side.
 

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