Excessive front tire wear - Page 2 - Defender Source
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  #21  
Old March 30th, 2015, 09:19 PM
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Chris Davis
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And heck, if I was doing all that with jack stands, and fiddling with my track rod, I would go ahead and check my swivel pin preload and bearings. What a perfect time to do that. Too many people don't check their preload and they wonder why they have wandering or death wobbles.... Just my 2 cents if you put your wheels in the air... And I will disagree with keeping the point straight--I would strongly recommend a very slight toe out.
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  #22  
Old March 30th, 2015, 09:50 PM
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Quote:
Originally Posted by Capt Milks View Post
The fact that the tires are wearing flat across tells me that more might be going on than just pressure. If a tire is overinflated it will wear fast but more in the center of the tire. Of course with mud tires it might be hard to tell. Do you still have tread on the edge blocks or is the wear flat across like you put a ruler down and it was contacting everything the same?
The wear appears proportional and flat across the top

------ Follow up post added March 30th, 2015 08:51 PM ------

Quote:
Originally Posted by Rocky View Post
This thread is useless without pics
I can get pics in the light tomorrow
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  #23  
Old March 30th, 2015, 09:56 PM
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@ that high pressure level your truck have ridden and driven/handled like total crap.
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  #24  
Old March 30th, 2015, 10:14 PM
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Quote:
Originally Posted by Uncle Douglas View Post
@ that high pressure level your truck have ridden and driven/handled like total crap.
50 psi handled way better than 35 psi. I have logged 6000 miles in three months at 50. 35 psi today for approx 150 miles was by far worse. My 109 actually rides better.
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  #25  
Old March 30th, 2015, 10:30 PM
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Quote:
Originally Posted by Ncrover725 View Post
35 psi today for approx 150 miles was by far worse.
You can't be serious...
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  #26  
Old March 30th, 2015, 10:37 PM
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Quote:
Originally Posted by sonoronos View Post
You can't be serious...
I am serious... 35 wanders more
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  #27  
Old March 30th, 2015, 10:39 PM
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Could the tires be worn in such a way that their shape is now compromised for running 35PSI?

At 75PSI, it would seem the very middle of the tires would be worn too much. and, when dropping to 30 are you running on the outer edges of the tires, because of the wear in the middle?
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  #28  
Old March 30th, 2015, 10:42 PM
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If you've got a front end problem a softer tire will grab the road more/follow ruts and pull... A harder tire will steer better but ride like crap... 35 is the proper pressure for every day city driving... Highways you might want to go 40-45 on a long trip
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  #29  
Old March 30th, 2015, 10:42 PM
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Quote:
Originally Posted by chuckc4 View Post
Could the tires be worn in such a way that their shape is now compromised for running 35PSI? At 75PSI, it would seem the very middle of the tires would be worn too much. and, when dropping to 30 are you running on the outer edges of the tires, because of the wear in the middle?
Tomorrow I will get pics, rotate tires, and do an alignment. I will report back.
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  #30  
Old March 30th, 2015, 10:47 PM
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You need that 28/30psi in the front because they take up the little bumps and soak up the left and right wobbles.
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  #31  
Old March 31st, 2015, 12:13 PM
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Click image for larger version

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  #32  
Old March 31st, 2015, 12:15 PM
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Rear (good) wear

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  #33  
Old March 31st, 2015, 12:16 PM
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Front (increased) wear

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  #34  
Old March 31st, 2015, 12:18 PM
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Maybe it is just me, but that does not look half worn. Have you measured the tread depth?
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  #35  
Old March 31st, 2015, 12:23 PM
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I have attached pics depicting tread wear for front vs rear on 3 month old tires using the quarter as a unit of measurement. I have not measured with an actual ruler.
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  #36  
Old March 31st, 2015, 12:36 PM
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wayyy over inflated, jesus 50 psi, I have run less on 2500 diesel trucks.

if you've got slop in the steering at less than 50 psi then it isn't the tires, I mean unless it is the tires, still it sounds like you need to do a bit more digging, check those steering links for excessive play.
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  #37  
Old March 31st, 2015, 12:49 PM
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I really doubt the tire pressure is the cause of that much wear. Something must be wrong with the truck.

Just to rule out a binding in the drivetrain again. When you turn on pavement at full steering lock, there are no tire chirping sounds?
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  #38  
Old March 31st, 2015, 12:57 PM
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No chirping, no binding, just did an 800 mile trip at 70 mph.
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  #39  
Old March 31st, 2015, 01:01 PM
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Quote:
Originally Posted by Ncrover725 View Post
Tomorrow I will get pics, rotate tires, and do an alignment. I will report back.
Personally, I would not rotate until you solve the problem. You will wreck another pair of tires.
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  #40  
Old March 31st, 2015, 08:31 PM
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Quote:
Originally Posted by Ncrover725 View Post
It is hard to tell from the picture but looks like the tread is not worn evenly across from the side to the center. It also looks like it is worn more on the outside than the inside. You can buy a tire gauge and measure each tire block going across the tire. Take the readings in a couple places on the tires. Do this for all four tires. If you have a new spare do this on that too. A new spare will give you what the factory tire would have had.
What rims are you running? How wide are they?
The tread compound on that tire is softer on the top of the new tread and progressively gets harder as you wear it down. You will notice a difference in wear degree as you wear the tire down.
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