Different Size SUV Tires

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  #1  
Old 09-16-07, 03:17 PM
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Different Size SUV Tires

Can someone please tell me the effects of having two different size tires on a vehicle. I purchased four P265/70R/16 tires but recently found out that I have been riding on two P265/70R/16 and two P275/70R/16 tires. I have had several rotations and have never been told I had two dfferent sizes. Saturday I had the tires set accordingly, two of the same size up front and the other size in back. Please send me information that I may be able to use to make a point to the distributor about abnormal wear and dangers of driving with differnt tires.
 
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  #2  
Old 09-16-07, 03:24 PM
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Well, it would be prudent to have the same size/like tires on the front, and the other two same size on the back. It would be even better to have all 4 tires the same.
 
  #3  
Old 09-16-07, 03:30 PM
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Find yourself another distributor. You shouldn't need to explain the do's and don'ts of a tire to a salesman type.
two of the same size go on the same axle so the X rotatation is a no-no. Show them these comments.
 
  #4  
Old 09-16-07, 03:50 PM
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Originally Posted by daswede View Post
Find yourself another distributor.
Absolutely
Originally Posted by daswede View Post
You shouldn't need to explain the do's and don'ts of a tire to a salesman type...
Teally, they should be telling you this
No need to collect internet ammo, they obviously don't care, and do not have your safety in mind
Shop elsewhere
 
  #5  
Old 09-16-07, 04:10 PM
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Thanks for the comments, but what I really need to know is the effects of driving with different size tires. For example-gas, safety, possible dangers to driving, abnormal wear and tear to the tires as well as the vehicle. I will be more careful in the future when I purchase tires but I want them to make this right. I want new tires, not a prorated discount therefore I need to know what I am talking about when I reach the corporate office with this matter. I understand it is not right and they should know better but I also feel the need to be informed.
 
  #6  
Old 09-16-07, 04:12 PM
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On a newer vehicle with 4 wheel ABS, a large difference in size could confuse the computer. But the difference you describe is not likely to make much difference. As suggested, the same sizes should be on front and same on the rear. And I would go back and get the correct tires, they screwed up.
 
  #7  
Old 09-16-07, 04:41 PM
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Yup, they made a mistake and are responsible for that mistake. How long has it been since the tires were put on? What kind of vehicle is this?
 
  #8  
Old 09-16-07, 04:50 PM
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Originally Posted by naomi36 View Post
...what I really need to know is the effects of driving with different size tires. For example-gas, safety, possible dangers to driving, abnormal wear and tear to the tires as well as the vehicle...I want them to make this right. I want new tires...
Well, the actual effects would depend on the type (and model) of vehicle and size differences between the tires, and could be disputed...especially by tire "experts" (sales and installation company)
If you have a receipt with a different size on it then is on the vehicle, that is all you need

IMHO internet ammo won't help you any and not worth pursuing
They will either give you two 265s or not
Appealing to them with your gas mileage and tire wear and tear won't do anything (as proven by their actions so far)
Receipt says 265...tires say 275...their bad...case closed
I'd stick with that

Good luck however you choose to pursue it
 
  #9  
Old 09-16-07, 05:57 PM
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The receipt shows that I purchased four 265/70R/16 tires and the vehicle is a 2003 GMC Yukon. I realize you will probably think I'm crazy for pursuing this since the tires were purchased two years ago, BUT that is besides the point. I went back for several tire rotations and was never told of the inconsistencies until Saturday. I would never dream of looking at the size of the tires because I put my trust in the company that I am doing business with however I will be aware for future purchases. I want this to be corrected, and I do not want to pay a prorated price because the store made a mistake form the get go.
 
  #10  
Old 09-16-07, 06:12 PM
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Well, 2 years is a long time. Don't be supprised if there is nothing they can do for you. The only difference in the 2 pairs of tires is the width, so the only thing I can see being affected here is the front tires if there were 2 different sizes on the front. The front tires would scuff the inside treads while the truck was being driven, eventually wearing them. Other than that, I see no problems that could be caused.

Now, if one tire was taller than the other, there would be a camber issue up front, which would also create a toe issue, creating tire wear. The difference in tire heights would indeed create a problem with the antilock brake system, and the 4wd system, along with the stability control system your truck may be equipped with.

But seeing as to how you went to that company for routine rotations, that may be your ticket to some new tires.

I wish you the best in resolving this matter with the tire company.
 
  #11  
Old 09-17-07, 01:43 PM
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Even if they did replace the two oversized tires, you still will be mis-matched, having two brand new tires and two tires with two years' worth of wear. You will still be running on tires with slightly different diameters, which could upset both your ABS and 4WD systems.
 
  #12  
Old 09-17-07, 03:36 PM
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different size tires on suv

The fact that you have ran them two years and didn't notice anything kinda answers your own question. It didn't make any difference. I agree this is not something that should have been done but things happen. Give up on getting a free set of tires. RW
 
  #13  
Old 09-25-07, 05:34 PM
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Follow up: I wrote a letter to the regional office and they have changed two of my tires for free, which leaves me to purchase one since I recently had a blow out on the other. I suppose customer service is still important to some corporations. I will remain a loyal customer but will be more careful and double check tires in the future. Since they have resolved the mismatch of two tires they have also managed to keep my business as I plan to make a 900.00 purchase for my husbands truck. All ends well
 
  #14  
Old 09-25-07, 06:03 PM
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Sweet
Thanks for the update
 
  #15  
Old 09-26-07, 06:30 AM
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Was it a four wheel drive

I am glad you pursued the issue and got it resolved.
Was it a four wheel drive?
 
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