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Discussion Starter #1
I got a vibration problem on my steering wheel since day one and the dealer still cannot resolve the issues after 6 months. Was told by a few friends of mine who got similar experience with cars with carbon disk. Wondering if any other owners with carbon disk experience the vibration problem as well as it seems to me the problem is not an isolated incidence.
 

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Had 2 cars with carbon discs (not McLaren) with no problems - I would suggest it isn't normal.
 

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I have the same problems since January. Vibration of steering wheel between 140-200km/h. Up to now they can not resolve the problem. I got new set of tyres, but still not solved. I have also CCB brakes and ultralight wheels.
 

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Discussion Starter #6
I got three other cars now with carbon disk and no problem at all. Owned many others with carbon disk no problem either. So it seems this problem is specific to the mp4. The dealer has checked everything possible with the tire and wheel, incl geometry, alignment etc. I hope the factory can get involved soon to provide a solution. Or we should get a refund for the carbon disk and they switch our cars to iron disk.
 

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Will check when home. I took delivery of the car in December last year
 

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Discussion Starter #10
Anyone with contact at the factory, please help pass on our situation to them so hopefully they will not take another 6 months to resolve the problem.
 

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Discussion Starter #13
SO maybe the problem stems from a bad batch of carbon disk. My vin is 415.
 

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Anyone with contact at the factory, please help pass on our situation to them so hopefully they will not take another 6 months to resolve the problem.
Yimn,
By writing this in the forum, you already passed the message to the factory. Believe it or not, there is a team in Woking whose job is to scann comments and feedback on the web, and dispatch them to the most adequate team for solutions to be found.
 

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I would only suspect a bad disc if the vibration occurs during brake application. I would think a disc is that is that out of round/balance to cause a wheel vibration would be greatly enhanced under braking load. I suspect the wheels and tyres are not balanced correctly. It should be a very basic thing to accomplish but the slightest error will cause the wheel to be out of balance and cause an associated vibration. Check and recheck the basics if everything else is within specs.
 

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Discussion Starter #17
I was told by the dealer they have checked everything possible with the tire and wheel. So that's the reason why I am a bit concerned as they couldn't even identify the cause of the problem.
 

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I was told by the dealer they have checked everything possible with the tire and wheel. So that's the reason why I am a bit concerned as they couldn't even identify the cause of the problem.
yo

I hate to seem pesamistic, but i wouldnt trust the dealer as far as i can spit. Sorry i have just been around to many service advisors and managers who should not be allowed to tie their own shoes let alone tell you about cars. ( have you spoken to the mechanic working on the car? and told him the exact symptoms ?)
Have them take the wheels off another car and put them on yours. If the problem persists then there is a fault with your car ( which i doubt) if it goes away have them balance the wheels and tyres correctly

If they still cant fix it, ship it to me in California and I WILL fix it....
 

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Have they checked that the wheel(s) itself has not been distorted? I've had this problem with other alloy wheels before on Audi RS4 (V6TT) and their solution was a promise to swap out the wheels indefinitely or provide strengthened alternatives, as per customer choice at no charge.
 

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Another vibration issue I had on a 996T with P Zero N3 tyres transpired to be that the tyres would flat spot when the car was static... It was awful at 140mph+ on the autobahn and for a year Porsche couldn't trace the problem but on a track day at Spa a tyre expert told me that the N3's were known to do this, so rebalancing was a waste of time and a tyre swap was needed!
 
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