I was going through a pile of used tires to find one to temporarily
put on the taurus until i can get the rack fixed. I found one tire off
a GM product that looked OK from the outside with 60% tread or so.
I dismounted it to remount it on a Ford rim and found a surprise. There
was a pile of fine shredded rubber inside the tire. ANd when i looked
up to the under side of the tread, you could see the steel belts showing
where the rubber flaked off .
What could cause such a tire failure?
Never seen this before.
I got the tire mounted on a GM wheel and it was holding air.
After i dismounted it, i found the considerable pile of fine
rubber shavings inside of it and noticed the steel belts showing
from the inside.
If you call holding air ok, then it was not failed. But it looked
like a disaster waiting to happen to me. I have never seen a pile of
shredded rubber on the inside of a tire before. Even if it held air,
i probably did not do tire balance any good either.
Toss the tire. It is scrap. What you saw is the result of driving a tire
with low air pressure. That causes the belts to flex more than they
should and the tire heats up. The heat causes the inner liner rubber to
break down and flake off. Doesn't take very long either.
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