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Discussion Starter #1
Hello all,
I have a 2005 Elantra.
The local tire shop put 4 new tires on it.
Took it down the road and it rides rougher then my F350 truck.
What just happened.
The tire shop let 5 psi out of them now at 30.
Still rides rough.
They said I will have to brake in the tires, never heard that one before.
I just bought the car so this is all new to me.
Thanks for any help.
 

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What make are the tires, and are they the same size and profile? Did the last set of tires ride smoother? Have you looked for a review of your new tires?
You need to gather some info and go back to the tire store and try to get them exchanged maybe.
 

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Make sure the tires are inflated to 30 psi when cold. As I recall, that's the recommended inflation anyway. When in doubt, just check the labeling on the drivers door frame for the correct information. The proper inflation does not vary from tire to tire. Now, if your old tires were excessively worn, the new ones may seem rougher in comparison, especially if they have a more aggressive tread design.
 

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Tagged for what brand, model of tire, and size...

What tires did you have prior to replacement ?
 

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Tire break in?? Lol... It should ride smooth right from the start. You're being fed BS. Like someone else asked what tires did you purchase and what did you have previously?

Sent from my SCH-I535
 

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Discussion Starter #6
Here is the information as requested.

4 old tires:(not sure of air pressure)
Cooper, P195/60R15 M+S
CS4 Touring

4 New tires:(30 psi)
OPTIMO H727 HANKOOK
P195/60 R15 87T

The door sil sticker:(30 psi)
Front tire P185/65r15
Rear tire P195/60R15

Here is a review I found:
consumersearch.com/tires/hankook-optimo-h727


Do these cars just drive rough?
Anymore insights are welcome.
 

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The Hankook Optimo H727 is known as more of a comfort tire with relatively less handling ability...in other words they're a soft T-rated tire and a hard ride with these tires shouldn't play into the equation at all. I'm assuming your wheels are aligned, tires are balanced and the suspension is in good order??
 

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could just be a bad tire. things happen.

do they have a roadforce balancer? that and or a set of trained eyes go a long way.
 

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Hello all,
I have a 2005 Elantra.
The local tire shop put 4 new tires on it.
Took it down the road and it rides rougher then my F350 truck.
What just happened.
The tire shop let 5 psi out of them now at 30.
Still rides rough.
They said I will have to brake in the tires, never heard that one before.
I just bought the car so this is all new to me.
Thanks for any help.
Sounds like a bad tire. Those shouldn't feel hard.
 

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The Hankook Optimo H727 is known as more of a comfort tire with relatively less handling ability...in other words they're a soft T-rated tire and a hard ride with these tires shouldn't play into the equation at all. I'm assuming your wheels are aligned, tires are balanced and the suspension is in good order??
I agree going from a 2011 Tucson with Cooper CS-4's on it, to a 2011 Sportage with Hankook H727's on it, the Hankooks rode smooth enuff, but had poor traction in all conditions,,, I immediately put new Cooper CS-4's on the Sportage.

Unless they are old stock tires with flat spots on them?
 
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