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My wife picked up a new 2017 Lexus ES 350 yesterday. There has been a shimmying feeling when driving. Almost as if one of the tires aren't balanced correctly. I stopped by the service dept this morning to address it and the advisor told me that if a car has been sitting for a while the tire will develop "flat spots". He said this is normal and to drive it for a bit. If it continues to bring it in and he'll have the techs look at it.
Tell him to beat it and replace the tire. It's new car, for crying out loud. Tell him it takes years of sitting in heat to develop flat spot. Lazy bums.
I've never noticed it, and at one time I had so many danged cars that I kept three of them in storage, sometimes for 4-6 months at a time. I stored them in a hangar at the airport, so they went from there to a good 55-mph highway to get home. Two were newish -- a sports car and a sports sedan -- and the other was a restored '57 Buick. I enjoyed driving all of them, and I think I'd have noticed any shimmy right away.
That's not to say it's impossible... nor even improbable.
+ Another...Dlr 'advisor' is ill informed and/or looking for easy way out, and 'your situ' is to blame.
Like WyoNewk above, we have stored a car for ~5 months a year, for over a decade. Regardless of car brand, tire brand, when I fire it up with proper tire psi, it has never had 'flat spots'.
Also, skip buying the anti flat spot tire gizmos and avoid the 'I had flat spotted tires once' posts that will probably follow...
GL, mD
If you lock up the brakes like V8 Vega, you can flat spot a tire that won't return.
However I have a vehicle that when it sits for a while (outside, particularly in the cold) there is definitely an issue when I first drive it -- that the tire has gone a little out of round. However, it generally "returns" to form within 5 minutes of driving or so.
So, if you are experiencing it as you drive it off the lot, I wouldn't worry. If you are experiencing it for more than a few miles, they need to figure something else out.
I have some high-performance cars with Summer uhp tires that are seldom driven. They will flat spot if the sit for more than a few weeks (with the tires at normal psi) ... But they"round out" after a few miles.
If your issue is with just 1 tire, then I agree with those above who say "defective tire"
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