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Old 09-05-2014, 11:34 AM   #1
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Tire Wear & Axle Alignment

I have the below rig with the Trail Air Equa-Flex suspension. At 5790 miles the passenger rear tread was as follows=

Inside=7/32
middle (second from outside)= 7/32
Outside=5/32

The other tires were all in the 7-8/32 range.

I really didn't want any tire issues so I decided with over 1500 miles left to my trip I would put the spare on. Had it balanced and mounted. The new tread depth was 10/32 all around. Now after 1500 miles the tire reads as follows

Inside=8/32
middle=9/32
outside=8/32

So after 1500 miles looks like even ware although seems like they are wearing kind of fast.

I know these are China Bombs (Westlake) and I plan on replacing them with either Carlisle or Maxxis. I follow the tire discussions very close on this forum.

My question- I called Lippert to discuss and the stated they do not recommend aligning the axle as it will take the Chamber out of the axle. They said I should put a 4 foot level under the chamber and make sure I see light between the axle and level. OK, this seems like a good idea no matter what. They could not come up with anything that might cause excessive wear on the one tire on the outside tread. I had two blow outs on my old trailer that caused a lot of damage and do not need that again. The original tire was NOT balanced but I am thinking that out of balance should not cause wear on one tread but would be more of a wobble thing.

Anyone have have any suggestions about alignment, or what might be causing my problem? Could an out of balance tire wear in this manner?

After 8000 miles my lowest tread depth is 6/32 with 8000 miles on the remaining tires.

Any help appreciated.
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Old 09-05-2014, 11:40 AM   #2
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As for then spare tire wear, it indicates under inflation with the outside and inside 1/32" less than the center.
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Old 09-05-2014, 11:43 AM   #3
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Hey Coot;

Never under inflated. Checked every week all the time when on the road. 80 lbs as stated on the tire for cold PSI.
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Old 09-05-2014, 11:50 AM   #4
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Originally Posted by Davidceder View Post
Hey Coot;

Never under inflated. Checked every week all the time when on the road. 80 lbs as stated on the tire for cold PSI.
Just telling you what the wear indicates. Alignment is not the problem.
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Old 09-05-2014, 12:05 PM   #5
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Coot

Ok, I accept the data and appreciate it. In your opinion if the original tire was under inflated when changed why would the outside & inside be 2/32 off? 7 versus 5/32.
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Old 09-05-2014, 12:10 PM   #6
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Coot

Ok, I accept the data and appreciate it. In your opinion if the original tire was under inflated when changed why would the outside & inside be 2/32 off? 7 versus 5/32.
I would guess just a crappy tire if nothing else changed. Strange things happen with the oem elcheapo tires. Could be a belt getting ready to let loose.
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Old 09-05-2014, 12:18 PM   #7
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Check for recalls on the tires my Salem is in right now having all the tires replaced under recall. Passenger side rear tire was wearing and finally came apart without blowing out.
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Old 09-05-2014, 12:42 PM   #8
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Not that this is relavent? but, I had a tire repaired in Ft. Stocton, TX one time and their tire guage was off 12 lbs.
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Old 09-05-2014, 12:48 PM   #9
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Not that this is relavent? but, I had a tire repaired in Ft. Stocton, TX one time and their tire guage was off 12 lbs.
Quite common as with all tire gauges unless you pay in excess of $25 for one. Race car suppliers usually have high quality gauges, but you will pay more than $25 for them.
http://www.jegs.com/i/Longacre+Racin...53028/10002/-1
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Old 09-05-2014, 01:01 PM   #10
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I gauge all the tires with the same gauge so they would all be off the same amount. I check this one gauge against my other gauges and the only difference is about 2 lbs. between all of them. I always re-gauge if a dealer does any work on the tires. Like I said I follow the tires issues on this forum closely. They scare me.
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