Flat Tire...Is it okay to run 1 new tire with 3 old ones? - Toyota FJ Cruiser Forum
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#1 (permalink) Old 07-26-2011, 07:35 AM
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Flat Tire...Is it okay to run 1 new tire with 3 old ones?

I got a flat yesterday, and have made the poor decision to not put my spare in the rotation. The flat has a perfectly round puncture in the middle of the tread about 1/4" in diameter. My plug kit didn't help. I'm going to take it to a tire shop today and see if they can do anything.

My question is:

I've got 30K on the stock BFG Rugged Trail T/A's. Would it be safe to run the new spare with the 3 older tires for another 10-15K, or whatever the tires last? I don't feel much pull or imbalance when braking or turning, but it is a little noticeable.

If the tire shop can repair the punctured tire, I would prefer to use it as a spare until I get some new tires put on later.

Thanks
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#2 (permalink) Old 07-26-2011, 07:44 AM
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Re: Flat Tire...Is it okay to run 1 new tire with 3 old ones?

since you got one perfectly new spare already.....i'd just order 3 new tires.
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#3 (permalink) Old 07-26-2011, 07:58 AM
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Re: Flat Tire...Is it okay to run 1 new tire with 3 old ones?

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zdragon previously said: View Post
since you got one perfectly new spare already.....i'd just order 3 new tires.
That is only to assume that he wants to buy the same make and size again.
To answer the question, I don't see a problem using the spare with the 3 old tires. Good way to buy time so you could save your money to buy replacement tires. Also gives you time to shop for a deal.
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#4 (permalink) Old 07-26-2011, 08:06 AM
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Re: Flat Tire...Is it okay to run 1 new tire with 3 old ones?

Thanks for the replies. I am going to stick with the stock size, as they seem to work well enough for my needs. I've actually been fairly happy with the stock tires. I'm currently "in between jobs" so I would like to hold out on buying a new set for a bit if I can. I would just end up buying 4 when the time comes, and put the newest tire back on the spare rack.

My main concern was if the imbalance in the tires could create any alignment issues, or mess with the 4WD system (6MT).
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#5 (permalink) Old 07-26-2011, 08:19 AM
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Re: Flat Tire...Is it okay to run 1 new tire with 3 old ones?

Run new one in the rear. You`ll be fine.

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#6 (permalink) Old 07-26-2011, 10:05 AM
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Re: Flat Tire...Is it okay to run 1 new tire with 3 old ones?

If the difference in diameter is too much, you could have some lights on the dash come on. The ABS will be confused by the tires rotating at different speeds. If you don't get any lights, you should be fine running the newer spare. A tire shop will probably be able to take you tire off the wheel and put a patch on the inside. It should be good enough to use as a spare that way.

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