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Old 07-24-2017, 08:24 PM
 
5,481 posts, read 8,575,276 times
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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.

Anyone else ever experience this?
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Old 07-24-2017, 08:57 PM
 
19,023 posts, read 27,585,087 times
Reputation: 20266
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.
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Old 07-24-2017, 09:18 PM
 
Location: Wyoming
9,724 posts, read 21,231,509 times
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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.
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Old 07-24-2017, 09:54 PM
 
Location: San Ramon, Seattle, Anchorage, Reykjavik
2,254 posts, read 2,737,417 times
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The tire most likely has a bad belt. I had a new Audi Allroad with the same issue. They replaced the tire and all was well.
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Old 07-24-2017, 10:49 PM
 
Location: Wichita Falls Texas
1,009 posts, read 1,989,461 times
Reputation: 1008
Tires haven't flat spotted overnight since nylon cord bias ply's. And that was a looong time ago.
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Old 07-25-2017, 04:22 AM
 
Location: Mtns of Waynesville,NC & Nokomis, FL
4,788 posts, read 10,608,885 times
Reputation: 6533
+ 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
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Old 07-25-2017, 04:49 AM
 
Location: NC
5,453 posts, read 6,044,216 times
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Quote:
Originally Posted by stilldriveem View Post
Tires haven't flat spotted overnight since nylon cord bias ply's. And that was a looong time ago.
The real answer for the OP to respond to the dealer's advisor. ^^^
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Old 07-25-2017, 09:54 AM
 
Location: Sylmar, a part of Los Angeles
8,342 posts, read 6,426,948 times
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I went into a panic stop skid once which flat spotted the two front tires. I put them on the back, didn't help, there was a thump thump all the time.
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Old 07-25-2017, 10:26 AM
 
957 posts, read 2,021,351 times
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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.
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Old 07-25-2017, 11:07 AM
 
998 posts, read 1,236,516 times
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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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