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Archive for June 21st, 2006
River Wear
Posted by Tim on June 21, 2006
I recently took my motorhome with G670 275/70/22.5H tires for a front end alignment because of wear on the outside edge and the outside of the second tread of the passenger side front tire. I assumed there was probably a tow-in problem. I was told the alignment (tow,camber,and caster) were fine. I was told this was “river wear” without much explanation. Can you explain “river wear” and what I should do to correct it. Will it continue to get worse. Is it a sign of a tire problem or defect?
River wear (sometimes called "errosion" wear is when there tends to be faster wear on the edges of each rib than in the center of each rib. It is, unfortunately, a common wear condition of tires that are on vehicles with excellent alignment and in a type of service that provides little scrubbing (long distances on Interstate highways, for example). The same vehicles in a high scrub application will tend wear faster and the river wear tends not to occur. So, as odd as this may sound, river wear is actually a good thing...alignment is good and the wear rate is slow.