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I don't have this problem at the moment, knock on wood, but the Renegade is my first 4WD car and I was wondering what the tread tolerances are on it for replacing a single tire in case of a flat? I know most AWD systems are sensitive to 2/32 vs 1/4 in. just curious if the Jeep 4WD system is also sensitive to 2/32 or if there's some other tolerance?
 

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I don't have this problem at the moment, knock on wood, but the Renegade is my first 4WD car and I was wondering what the tread tolerances are on it for replacing a single tire in case of a flat? I know most AWD systems are sensitive to 2/32 vs 1/4 in. just curious if the Jeep 4WD system is also sensitive to 2/32 or if there's some other tolerance?
As long as it is the same size tire, it is OK. A sensitivity of 1/16" is ridiculous. You get more than that if one tire is a few pounds low on air pressure. You can have a a 1/2" difference and be good.
 

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I don't have this problem at the moment, knock on wood, but the Renegade is my first 4WD car and I was wondering what the tread tolerances are on it for replacing a single tire in case of a flat? I know most AWD systems are sensitive to 2/32 vs 1/4 in. just curious if the Jeep 4WD system is also sensitive to 2/32 or if there's some other tolerance?
Per my quattro's manual, tires must have a circumference equal to each other within 3%. A mix of brand-new and worn tires will exceed this limit. The result is driveline stress that exceeds the specifications.

No idea what the limit is on the Renegade. The manual doesn't mention anything. Call Chrysler CS.

Tire shops can and will shave a new tire down to match tread depth.
 

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Per my quattro's manual, tires must have a circumference equal to each other within 3%. A mix of brand-new and worn tires will exceed this limit. The result is driveline stress that exceeds the specifications.

Tire shops can and will shave a new tire down to match tread depth.
Yep. 3% is the norm for AWD or 4wd vehicles. And matching tires is key, i.e. Must go back to the same tire or as close as possible in tread design, speed rating, load index.

My almost 9 years at NTB, tire shaving has never taken place. Perhaps other regions do it, but not around Austin. I believed it was a commercial tire thing mostly.
 

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I actually just had this issue, I got a nail sorta in the sidewall -ish area last week. We all know dealerships are hit or miss, mine is pretty good. I needed to replace the tire - I asked if I should do both rear - they said no need based on current wear and I have 15k miles on them. It was def under 3% though..........
 
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