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  #1  
Old 03-24-2011, 11:17 AM
mdfrodolives mdfrodolives is offline
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Default Strange tire wear

Morning, Rangers!

I have a 2010 Ranger with 5200 miles on it (I don't commute much). The tires were Continentals and Ford (and Continental) says to keep the tire pressure at 30 PSI. I do so religiously! The problem I've been experiencing is this: the inner and outer tread on both front tires are a good 3/32 inch less than the inner treads. I have several excellent tire pressure gauges, so I know the tires are at proper level; however, I should not have the inner treads at 10/32's inch--and the outer and inner treads at 7/32's inch.

Anyone else experiencing this? This type of treadwaer suggests underinflation--yet the tires have never been underflated.

Tim
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  #2  
Old 03-24-2011, 11:23 AM
MTman777 MTman777 is offline
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Default Re: Strange tire wear

that my friend is over-inflation... your riding on the center of your tire instead of the whole tire.. check and see what the tires say your psi should be...
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  #3  
Old 03-24-2011, 11:24 AM
Rango88 Rango88 is offline
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Default Re: Strange tire wear

if he is 30 psi, then he should at a good level, Might be an alignment or balancing prob. just beacuse its new doesnt mean its perfect.
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Old 03-24-2011, 12:42 PM
MTman777 MTman777 is offline
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Default Re: Strange tire wear

very possible... all good suggestions to check...
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  #5  
Old 03-24-2011, 07:49 PM
Zable Zable is offline
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Default Re: Strange tire wear

alignment wouldnt allow just the middle of the tire to wear would it?
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  #6  
Old 03-24-2011, 07:52 PM
HazardousRanger HazardousRanger is offline
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Default Re: Strange tire wear

yeah it can...look at pep boys website it explains how
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Old 03-24-2011, 08:01 PM
Twisty Twisty is offline
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Default Re: Strange tire wear

Re - read the OP!
"This type of treadwaer suggests underinflation"
Obviously 30 lbs isn't enough. Maybe for the lighter rearend but not the heavier front.

Tim, I suggest running them at about 35 lbs in the front and watch them to see what happens.
I ran my old tires at 42 front, 40 rear and got over 40,000 miles out of 'em.
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Old 03-25-2011, 08:49 AM
nrsoccer08 nrsoccer08 is offline
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Default Re: Strange tire wear

http://lmgtfy.com/?q=how+to+read+tire+wear

http://www.procarcare.com/includes/c...dtirewear.html

This type of wear usually results from consistent under inflation. When a tire is under inflated, there is too much contact with the road by the outer treads, which wear prematurely. Tire pressure should be checked with a reliable pressure gauge. When this type of wear occurs, and the tire pressure is known to be consistently correct, a bent or worn steering component or the need for wheel alignment could be indicated. Bent steering or idler arms cause incorrect toe-in and abnormal handling characteristics on turns.
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Old 03-25-2011, 09:44 AM
MTman777 MTman777 is offline
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Default Re: Strange tire wear

if you guys read again.. he says that his outer tread is fine... its his inner tread thats wearing prematurely... hince the over-inflation i posted earlier
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  #10  
Old 03-25-2011, 10:00 AM
merlin215 merlin215 is offline
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Default Re: Strange tire wear

It really does sounds like over inflation , but my wranglers ( stock on my 2010 ) are 32 Lbs . Not sure if maybe those 2 extra lbs may be the diff . check with continental on those tires .

How is the steering in tight corners ?
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  #11  
Old 03-25-2011, 10:14 AM
mdfrodolives mdfrodolives is offline
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Default Re: Strange tire wear

Apparently, I must have worded my original post in a confusing manner. I'm starting over:

I have five treads on my Continental tires. The inner three treads are fine--10/32's in. each. The outer 2 treads (the treads on either side of the tires) are only 7/32's inch. The tires are mounted on the front of the vehicle. I have only 5200 miles on the Ranger.

This seems to me to be (as Twisty says) a case of classic underinflation. But when I contacted Continental, they said that Ford's sticker on the truck is correct--30 lbs, front and rear.

The rear 2 tires, however, are only 1/32 inch less on the outer two treads. I can live with that. But it seems to me that both Ford and Continental are wrong. Since the 2 tires on the front of the truck are wearing strangely--and exactly the same--I'm inclined to think that there is no mis-alignment. The symptoms indicate underinflation.

So I'm going to rotate the tires and fill the fronts to 35 psi--not the recommended 30--and see what happens.

Twisty, thanks. And thanks to all who responded.

Tim
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  #12  
Old 07-27-2011, 04:03 PM
OhioMike OhioMike is offline
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Default Re: Strange tire wear

Quote:
Apparently, I must have worded my original post in a confusing manner. I'm starting over:

I have five treads on my Continental tires. The inner three treads are fine--10/32's in. each. The outer 2 treads (the treads on either side of the tires) are only 7/32's inch. The tires are mounted on the front of the vehicle. I have only 5200 miles on the Ranger.

This seems to me to be (as Twisty says) a case of classic underinflation. But when I contacted Continental, they said that Ford's sticker on the truck is correct--30 lbs, front and rear.

The rear 2 tires, however, are only 1/32 inch less on the outer two treads. I can live with that. But it seems to me that both Ford and Continental are wrong. Since the 2 tires on the front of the truck are wearing strangely--and exactly the same--I'm inclined to think that there is no mis-alignment. The symptoms indicate underinflation.

So I'm going to rotate the tires and fill the fronts to 35 psi--
I don't completely understand tire inflation. I know that tires can be fitted on many different vehicles, and the tire lists the max pressure for that tire. I also know that the inner door jam doesn't seem accurate at all. I have an 08' with stock Continental's, and I have successfully put 52,000 mostly highway miles on with no problems. I think the max pressure (for the tire is 40), and the door jamb listing you say is 30 psi. I have tried 30 psi, and I do not like the ride. I have filled front and back tires to about 37 psi. each with no problem.

Last edited by OhioMike; 08-17-2011 at 08:50 PM.
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