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Unread 01-30-2008, 02:08 PM   #1
djt283
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Uneven Tire Wear

I've got a little over 4,000 miles on my 32" BFG AT's. They have not been rotated. I was planning on changing some fluids and rotating them this weekend and I just happened to look and see how they are wearing.
The rear two obviously look new, and the front two only have minor wear. My question is why would the passenger side tire be wearing more than the driver side? It's not a huge difference, but the centerline is worn even on the pass side and not yet on the driver side. Also the edges of the treads have slightly more wear. And yes, they're at the same psi.
Is it possible I just make more left turns?

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Unread 01-30-2008, 02:14 PM   #2
Jerky bump
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Try jacking the front up and rotating the tires?- one may be dragging more than the other.
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Unread 01-31-2008, 08:24 PM   #3
87Feep
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Pass side always wears more. Primarily due to road crown forcing slightly more of the work to the passenger tire to counteract the crown.

If you're wearing centerline front, sounds like the pressures may be a little high.
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Unread 01-31-2008, 10:25 PM   #4
numchuck
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maybe not your issue . . . but when you went to the bigger tires, did you decrease your toe-in? the factory service manual and most alignment shops measure it in degrees, so if you are still at the factory specs, then when you put on larger tires, you may have a bit too much.
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Last edited by numchuck; 02-01-2008 at 06:57 AM..
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Unread 02-01-2008, 06:05 PM   #5
djt283
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Quote:
Originally Posted by 87Feep
If you're wearing centerline front, sounds like the pressures may be a little high.
That was my initial thought, but they are at about 30 (varies with weather obviously...but 30 when warm) It's not wearing too much on the centerline either, just more than the driver's side.

I haven't checked into it any further, but each tire is wearing evenly. Just that the passenger side is wearing a little faster.
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Unread 02-01-2008, 06:06 PM   #6
djt283
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Quote:
Originally Posted by numchuck
maybe not your issue . . . but when you went to the bigger tires, did you decrease your toe-in? the factory service manual and most alignment shops measure it in degrees, so if you are still at the factory specs, then when you put on larger tires, you may have a bit too much.
I hadn't thought of that. It's about 1/16th of an inch right now, but I never though about it in degrees. Not sure I can really decrease it much more though.
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Unread 02-01-2008, 09:47 PM   #7
numchuck
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Quote:
Originally Posted by djt283
It's about 1/16th of an inch right now.
that should be good, then.
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