2D
Irregular and / or Premature Wear Description
Irregular and premature wear has many causes. Some of them are: incorrect inflation pressures, lack of tire rotation, driving habits, improper alignment.
If the following conditions are noted, rotation is necessary:
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Front tire wear is different from rear.
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Uneven wear exists across the tread of any tire.
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Front tire wear is unequal between the right and left.
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Rear tire wear is unequal between the right and left.
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There is cupping, flat spotting, etc.
A wheel alignment check is necessary if the following conditions are noted:
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Front tire wear is unequal between the right and left.
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Wear is uneven across the tread of any front tire.
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Front tire treads have scuffed appearance with “feather” edges on one side of tread ribs or blocks.
[A]:
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Hard cornering, under inflation or lack of tire rotation
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[B]:
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Incorrect wheel alignment, tire construction not uniform or wheel heavy acceleration
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