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Just had my 4 studded winter tires removed, and the 4 summer tires put back on...yesterday. Then, today, I am driving home from work when I "feel" the truck driving a little funny. I pass it off as work fatique and an overactive imagination, and drive the few remaining miles home. Then, after several hours I go back outside for something and notice one of my tires is completely flat. I pull it off the truck, then pump it up to see where the leak is. That's when I notice it: there are at least a half-dozen big bulges in the sidewall...on both sides of the tire! They are really prominent...like goose eggs...bulging outwards almost an inch! The tire was obviously shot...toasted...history.
I took the tire over to my brother, who is a mechanic, to see what he'd say about it, 'cuz I was wondering if the tire shop had damaged it in changing it over the other day. He said it's caused by reversing the rotation of a tire, after it's "used" to running in only one direction...that it does something to ruin the sidewall fabric.
Is he right...or just making up a "story"?...
Sounds to me like damage caused by running too soft. Changing the tire should not damage the sidewalls and tire rotation direction is only important for the wet road water sheding capacity. Radial tires can run nearly flat before the driver can sense the difference. Did the tire shop put in new valves? They should have. Check the pressure on all the remaining tires before you go anywhere.
Just had my 4 studded winter tires removed, and the 4 summer tires put back on...yesterday. Then, today, I am driving home from work when I "feel" the truck driving a little funny. I pass it off as work fatique and an overactive imagination, and drive the few remaining miles home. Then, after several hours I go back outside for something and notice one of my tires is completely flat. I pull it off the truck, then pump it up to see where the leak is. That's when I notice it: there are at least a half-dozen big bulges in the sidewall...on both sides of the tire! They are really prominent...like goose eggs...bulging outwards almost an inch! The tire was obviously shot...toasted...history.
I took the tire over to my brother, who is a mechanic, to see what he'd say about it, 'cuz I was wondering if the tire shop had damaged it in changing it over the other day. He said it's caused by reversing the rotation of a tire, after it's "used" to running in only one direction...that it does something to ruin the sidewall fabric.
Is he right...or just making up a "story"?...
Bud
i'm also a mechanic. your brother is right. that can happen when a tire is not marked when taken off. i always mark the direction of rotation. what has happend is a steel belt has broken inside the tire. if you check with any gararge they will tell you when rotating your tires not to switch sides , only rotate front to back. but that does not always happen, it also could just be a defective tire.
i'm also a mechanic. your brother is right. that can happen when a tire is not marked when taken off. i always mark the direction of rotation. what has happend is a steel belt has broken inside the tire. if you check with any gararge they will tell you when rotating your tires not to switch sides , only rotate front to back. but that does not always happen, it also could just be a defective tire.
Perhaps it is important with used truck tires but for most tires the direction only has to do with the tread pattern and water evacuation. This has been confirmed by representatives from more than one tire company. It was important to many of us that wear tires rapidly on road race tracks where swapping tires side to side was needed to even wear and we never saw a failure related to direction of rotation.
Most tires on the market today aren't directional. but other tires need to be put on the same way they came off. when they are already worn one way and you try and wear them the other way you will get belt seperation and that's what will cause bulges in the side wall. it has nothing to do with storage. when they are new it doesn't matter unless they are directional.
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