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squirrely rear end when accelerating...

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Old Aug 31, 2010 | 08:23 AM
  #1  
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Default squirrely rear end when accelerating...

When I bought my 2006 it needed new tires and I put Nitto Envo's on it. They are great tires and I have never had a problem with them.

Until I got a Bolt right threw the center of the rear drivers tire. Of course not having run flats I had to have the car towed. Unfortunately it was on the weekend so finding a Nitto Envo on the weekend is nearly impossible even in Orlando.

Well, I found a used one from some guy in Tampa and it has about the same tread wear as the tires I have on the car.

Here is my problem, when I accelerate faster than normal, but not ripping out, the rear end starts to shimmy. This never happened before the tire replacement.

I have turned off traction control and I get the same results. I know it sounds like the tire is bad but what would it be?

The people that put the used tire on said it looked fine and didn't appear to have any problems.

It's actually quite scary how much the rear end moves around. Any input would be appreciated.

Thanks,
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Old Aug 31, 2010 | 09:19 AM
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I would definetly take the tire back and get my money back. Sounds like the belts are seperated inside the tire side walls. Probably someone drove with the tire too low and messed the tire up. Side walls are not stiff enough anymore.
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Old Aug 31, 2010 | 08:10 PM
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Sounds like a broken belt. I had this happen with a set of aged Michelins on a car that belonged to my Dad. The tires were about eight years old, still had plenty of tread, but when driving, the rear of the car felt like jello. New tires solved the problem.
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Old Aug 31, 2010 | 08:48 PM
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very doubtful, but might want to check the alignment in rear. I've had that happen to me.
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Old Aug 31, 2010 | 11:39 PM
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I agree, get a 4weel alignment it will make it a whole new car. Atleast it did on mine.
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Old Sep 1, 2010 | 09:41 AM
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I don't know anything about your tires, but when I make a change on any of my cars or bikes, and then immediately experience a problem, whatever was changed is invariably the culprit. Good luck.
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Old Sep 1, 2010 | 10:24 AM
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^
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Old Sep 1, 2010 | 12:08 PM
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What about your tire pressure?
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Old Sep 1, 2010 | 02:36 PM
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Originally Posted by bonnevillebill
I don't know anything about your tires, but when I make a change on any of my cars or bikes, and then immediately experience a problem, whatever was changed is invariably the culprit. Good luck.
Logical conclusion
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Old Sep 1, 2010 | 06:28 PM
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Default Problem Solved!

Thanks for all your ideas, I decided today to take the car in. The tire guys spotted the problem RIGHT OFF THE BAT!

When I bought the used tire I didn't look close enough at the size. It's a 285/30/19 and I needed a 285/35/19. So it was my oversight that caused myself the grief!

Glad I didn't have an accident. It would have been pretty easy to loose control with that setup.

New tire on and it drives straight as an arrow! SWEET!
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