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Old 04-21-2014, 05:40 PM
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Stan..tire question

I have a 2010 Jeep Grand Cherokee - had a Goodyear Tire go bad today and now looking at a replacement with my warranty. But last set I bought I was told I had to match all the tires to protect the Transfer Case. True?

And if so has anyone tried tire shaving? Seems a waste to buy a perfectly good tire and shave 30,00 mile off of it to match the other three that still have plenty of good tread left.

Not wanting to spend another $900 for a new set of tires.

thx
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Old 04-22-2014, 01:34 PM
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Re: Stan..tire question

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Originally Posted by seworth View Post
I have a 2010 Jeep Grand Cherokee - had a Goodyear Tire go bad today and now looking at a replacement with my warranty. But last set I bought I was told I had to match all the tires to protect the Transfer Case. True?

And if so has anyone tried tire shaving? Seems a waste to buy a perfectly good tire and shave 30,00 mile off of it to match the other three that still have plenty of good tread left.

Not wanting to spend another $900 for a new set of tires.

thx
If you have a 4WD then yes, this is technically true. The difference in the rolling circumference of the new tire compared to the old tires can cause increased wear in the transfercase as well as cause the traction control system to act up, as it senses one tire as spinning at a different rate than the others.

People all have their own idea of how close a rolling diameter is close enough to prevent damage. There is no formal tolerance published that is "close enough", that I am aware of.

Personally, I would rather pay the money and get all new tires than risk damaging a component that costs much more than $900...but others may advise differently.

What is wrong with the tire that can not be repaired? Damage to the sidewall?
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Old 04-22-2014, 10:39 PM
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Re: Stan..tire question

Well there are 3 things that can cause a tire to be deemed unrepairable.

1. Any side wall damage, E; blisters, blowouts, cuts or side wall holes
2. Broken belts or tread separation
3. A hole in the tread too large to be patched/plugged.

If it aint one of these, I see no reason it cant be fixed and saving you money VS a whole set. Worse case you could buy a used tire that is in decent condition. My current set of tires had 4k miles on them when I got them. Any wheel and tire shop should have used ones you could get. My .o2 cents.
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Old 04-29-2014, 10:15 AM
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Re: Stan..tire question

If you have AWD and 15-20k worth of wear on the tires then I'd say just get a new set of 4. The stock GY's are expensive, but a relatively poor tire anyway, so now's a good time to upgrade. The risk of damaging costly drivetrain components is just not worth it. Same thing happened with me with a punctured sidewall on one of the crappy stock GY's at 22k, and I replaced all 4.
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