cut tire replacement

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David Caroline

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Ok - so how much of a difference in remaining tread is acceptable when replacing a tire? My wife had a tire cut about a month ago, and they had to replace the tire (puncture was right on the edge of the tread where it curves into the sidewall) - they only replaced one tire, and didn't say anything about needing to replace the axle set - so how big a difference can you get away with?
 
marx404 said:
When all else fails or if you dont rely on eying it, there's always the penny test. http://www.carcarecouncil.org/Tires_Wheels/tread.shtml
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I probably should have been more specific - all of the tires have plenty of tread on them, and are not in need of replacing - what happened was one of the tires was damaged, and was replaced with a new one - so now, though all 4 tires have more than enough tread to perform properly, one has more tread than the other three - I was curious how much of a difference was ok, and determine if I need to replace the other tire in that axle set.
 
On a passenger car, where there is only 12/32 - 14/32 of tread to start with, the difference between a new tire and a used tire with "enough" tread is not an issue. Where there is a problem is with trucks with a dual wheel situation with 2 wheels right next to each other and solidly bolted together.

Steve
 
David said:
Ok - so how much of a difference in remaining tread is acceptable when replacing a tire? My wife had a tire cut about a month ago, and they had to replace the tire (puncture was right on the edge of the tread where it curves into the sidewall) - they only replaced one tire, and didn't say anything about needing to replace the axle set - so how big a difference can you get away with?
Click to expand...

I think so long as the other tire has "legal" tread the tires are considered "balanced".
 
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