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Old 02-26-2015, 02:14 AM   #1
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Tires cupping on Continental Cargo Trailer

On Continental Cargo 16K Gooseneck, with Al-ko 800E 8 K axles.

Tires are cupping badly on all 4 tires, some worse than others.

Not sure where problem lies
Torflex axle
Tires
Bearings
Alignment
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Has anyone else encountered this problem?
Thanks
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Old 02-26-2015, 06:00 AM   #2
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Not having been balanced is the main cause. Balancing now will not eliminate the damage already done either.
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Old 02-26-2015, 11:41 AM   #3
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Bad/lack of shocks will also cause tire cupping. Do you regularly rotate your tires (side to side)? I think that is a very important issue on a trailer. My flatbed (no shocks) would cup tires in just a few thousand miles. I started swapping them side to side every 3-4 months and now they last a lot longer.

Tim
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Old 02-26-2015, 11:45 AM   #4
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do you rotate tires (side to side)? I think that is a very important issue on a trailer. My flatbed (no shocks) would cup tires in just a few thousand miles. I started swapping them side to side every 3-4 months and now they last a lot longer.

Tim

I agree.
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Old 02-26-2015, 11:55 AM   #5
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Lack of shocks and swapping sides will still not cure the cupping until you balance the tires and check the suspension, brgs, etc.

HOW TO READ TIRE WEAR
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Old 02-26-2015, 12:03 PM   #6
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One a wear pattern is established it is there for the life of the tire.
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Old 02-26-2015, 12:05 PM   #7
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One a wear pattern is established it is there for the life of the tire.
100% TRUE!
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Old 02-26-2015, 12:09 PM   #8
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100% TRUE!






Quote:
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One a wear pattern is established it is there for the life of the tire.
I beg to differ once again.

We rotate our drive tires "side to side" on our peterbilt, mack and cranes because they get "torque cupping" and the cupping always come out.
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Old 02-26-2015, 12:15 PM   #9
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I beg to differ once again.

We rotate our drive tires "side to side" on our peterbilt, mack and cranes because they get "torque cupping" and the cupping always come out.
Guess what Dude, we be talking about trailer tires, which are not subjected to "torque cupping". Go back to sleep!
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Old 02-26-2015, 12:16 PM   #10
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Guess what Dude, we be talking about trailer tires, which are not subjected to "torque cupping". Go back to sleep!
Same principle!
Cupping is cupping!
Turning the tire around to rotate it in the opposite direction is the answer!


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