Alternate Tire Lug Wear

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Are you running the stock tires? Higher rated tires require more psi than the standard 32. Running lower psi than the tire was designed for can cause wear on both edges of the tire.
 
smallfry said:
All 4 are the same.
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Might have to check multiple things then. Id work from cheapest to most expensive...

Tire pressure (contact manufacturer to confirm recommended pressure)
Balance (tech should be able to tell you if they were way off)
Alignment (get before and after specs)
Shocks
Tires (supposedly some tires are more prone to scalloping.. dont know why)
 
Can post some pics or give more details around the tires that are being used.

When I had my Jeep Wrangler Unlimited Rubicon it came with BFG Mud Terrain tires. After about 40ish k miles (with 5 wheel rotations every 5k miles) they started doing the same thing. I spoke with multiple tire and 4x4 shops. The all said it wasn't my Jeep or the AEV lift/shocks. All of them said it was the tires and said it common on vehicles that got more road miles than dirt miles on MT tires.

One shop went as far to explain it has to do with how the tire flexes when its rotating. They said the MT tire at high speeds can create a wave motion when spinning. This then creates the alternating wear. Once it starts the wear pattern just makes it worse and it won't go away.

At the time I was only running the MTs in the summer only and had Bridgestone ATs for winter use. My ATs never showed the same type of wear.
 
gundrted+t4r said:
Can post some pics or give more details around the tires that are being used.

When I had my Jeep Wrangler Unlimited Rubicon it came with BFG Mud Terrain tires. After about 40ish k miles (with 5 wheel rotations every 5k miles) they started doing the same thing. I spoke with multiple tire and 4x4 shops. The all said it wasn't my Jeep or the AEV lift/shocks. All of them said it was the tires and said it common on vehicles that got more road miles than dirt miles on MT tires.

One shop went as far to explain it has to do with how the tire flexes when its rotating. They said the MT tire at high speeds can create a wave motion when spinning. This then creates the alternating wear. Once it starts the wear pattern just makes it worse and it won't go away.

At the time I was only running the MTs in the summer only and had Bridgestone ATs for winter use. My ATs never showed the same type of wear.
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I'd buy your story except for one thing: Non MT tires with bad shocks will wear the exact same. OP, check out this link 10 Things Your Tires Can Tell You About Your Car ad see which picture best describes your tire wear. Then see what the cause is.
 
I'm on Cooper AT3's.

@ 1Engineer ya I saw that but it doesn't seem to fit really into any of those categories.
 
smallfry said:
I'm on Cooper AT3's.

@ 1Engineer ya I saw that but it doesn't seem to fit really into any of those categories.
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Your TW link is showing cupping. Post pics. Cupping is generic and comes in different forms. That is either inflation or shocks or worn parts.
 
smallfry said:
It's at four corners. The drivers side appears to the worse.
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Did your tires go from being perfectly square to feathered on both sides on all 4 tires within a single tire rotation interval? More likely that it has been happening for a long time on the front tires, which get rotated, and you are just now noticing it as the tires are nearing bald, so small differences in tread depth are more noticeable.
 
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