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-   -   weird tire wear (http://www.wranglerforum.com/f27/weird-tire-wear-241809.html)

Rubicondon53 05-10-2013 04:06 PM

weird tire wear
 
2 Attachment(s)
OK guys,,, I have a dilemma,,, I rotate my tires every 3 to 5 thousand miles, the "toe in" is always maintained at 1/8" to 1/16th". I check it and adjust it as necessary every spring and fall. All my bushings are good. Shocks were replaced at 30, 60 and 90 k miles, (At 90 k miles I installed OME suspension). Suspension is and was, perfectly aligned. I keep 32 to 34 lbs of air pressure in tires. and they are wearing like this,,, not just the fronts, but the rear tires as well. ALL FOUR CORNERS!!! A few years ago I took a trip out west and noticed after the 6k mile trip that my old KMs were beginning to wear like this in the front, I immediately moved them to the rear, and sure enough, the alignment shop that I no longer use had my toe in set at over 1/2". I caught it in time, and those tires are now perfectly worn. I am completely lost on this now, everything has been checked and rechecked and checked again. I'm only left to consider that Discount Tire Direct received a defective manufacturing lot from BFG. They are claiming suspension is out of alignment, if that were the case then the tires would not all wear in the same direction. Pitifully they are treating me as if I have no experience. I'm nearly retired and have plenty of experience using tires properly. this is the first time this has ever happened.. Any Ideas? Here's a couple of shots. Any one ever seen wear like this?

BDJeep79 05-10-2013 04:11 PM

It's hard to tell from the pictures. Do have them balanced

BDJeep79 05-10-2013 04:13 PM

Sorry hit the wrong button. Do you have your tires balanced when there rotated. 3-5 thousand miles sounds a little to soon to rotate. Should be more like every 6 thousand.

Rubicondon53 05-10-2013 04:47 PM

The tires are perfectly balanced,, my tire guy allows me in his shop to assist with all the work... Study the photos closely and you'll see that the wear is perfectly even, just no flat. It is nearly 1/4 more wear on the insides.. If they were unbalanced they'd be wearing unevenly... Like I said,, I'm stumped as all mechanical possibilities that I know of have been covered..

Rubicondon53 05-10-2013 04:48 PM

Btw,,, it's impossible to rotate tires too often ..

BDJeep79 05-10-2013 05:21 PM

No offense. But you are incorrect about not bein able to rotate to early

BDJeep79 05-10-2013 05:21 PM

Damn I phone. What does your camber look like?

Rubicondon53 05-10-2013 05:32 PM

No offense taken... My entire life I have been rotating tires at the same time I do lube and oil.. I understand that some very high performance street vehicles most never need tire rotations..this is a jeep, the Camber is basically unadjustable, the front camber is factory spec.. The rear camber is,, well it just doesn't change unless your axle is bowed down which it is not.. If it were happening only in the front then camber would be a concern, it's happening front and back.. Dude,,, all the mechanical things have been covered.. Caster,camber, toe in, alignment, etc etc... I have left no stone unturned... Hoping for a tire expert or some one that has experienced this before.. I've never seen it happen on any of my vehicles..

Shadowkraze 05-11-2013 01:13 AM

If you rotate front to back so often, I can say it is likely one axle be wearing both sets of tires. I had two instances with similar issues. The first was worn ball joints. The second was a misshapen (bent) axle. How many miles on this jeep?

Rubicondon53 05-11-2013 05:14 AM

Quote:

Originally Posted by Shadowkraze (Post 3743635)
If you rotate front to back so often, I can say it is likely one axle be wearing both sets of tires. I had two instances with similar issues. The first was worn ball joints. The second was a misshapen (bent) axle. How many miles on this jeep?

93k,, ball joints are in excellent shape, nor are the axles bent... The first set of KMs did this in the front because of an alignment issue, I aligned it myself, moved the fronts to the rears and left them there till they wore flat, roughly 6k miles . These just continue to wear like this, even in the rear. I must be missing something and fear I may have to knuckle down and pay a suspension specialist to look at it.. My regular yearly inspection mechanic can find nothing wrong with it , he would have, and has in the past grounded me for bad ball joints..

BDJeep79 05-11-2013 08:59 AM

Based on the info you have given my professional opinion is that your rotating your tires to often. The general rule of thumb is to rotate every other oil change. I understand you can align a jeep on your own but maybe you should take it to a professional and have it checked out. It should be checked twice a year. Also if you allow a reputable shop to do your tire maintenance and alignments and you purchased your tires there and they still wearing the way they are then the shop becomes responsible for the tires and should replace them at little to no cost to you.

Moabrubi 05-11-2013 09:17 AM

Quote:

Originally Posted by BDJeep79 (Post 3744104)
Based on the info you have given my professional opinion is that your rotating your tires to often. The general rule of thumb is to rotate every other oil change. I understand you can align a jeep on your own but maybe you should take it to a professional and have it checked out. It should be checked twice a year. Also if you allow a reputable shop to do your tire maintenance and alignments and you purchased your tires there and they still wearing the way they are then the shop becomes responsible for the tires and should replace them at little to no cost to you.

There is no such thing as rotating your tires too often. All my offroad tires have been perfect with rotating and balancing every 3k miles. If you wait too long, then that's abnormal wear happens. I waited 6k on a set of Grabbers and they started to cup.

Also, it doesn't take a professional to do an alignment with their fancy machines. I can do it myself with a tape measure and an angle finder and provide the same results.

Rubicondon53 05-11-2013 09:19 AM

Agreed about purchasing tires on line, next time I will pay the 100 or so extra dollars and purchase from a full service shop that has outlets all over the country.. Lesson learned.. I'm going to leave my corners alone, go a while and see what happens to the rears over the next 10 k miles or so.. If they behave the way the old KMs did they should level out,, ... As far as alignment shops, there are none around here that I trust.. I took it back to the last place that had my toe in way too much, and they just argued all they could set it to was factory specs.... Not good for oversize tires... Nonetheless, I'm relieved you identified yourself as a tire expert. I didn't think it possible for a tire to wear crooked because of manufacturing defects...


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