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Tires should come with a six-year expiration date.
Clearly not all tires are going to fail when they hit the six-year
point, but it's a good point in time when you start to see a
disproportionate rise in failures..
Spares are especially vulnerable because they can sit around for
years.
The tire industry has been unwilling to set an expiration date,
saying many factors besides age impact how long a tire will last.
This should not give you the false promise that an expiration
date means they will get that much tire life out of your tires.
Ford recently led the way in warning customers that tires should
be scrapped after six years or drivers risk injury and death.
In the meantime, you can check your own tire's age by finding the
four digits of the tire's "DOT" number if the tire was made in 2000
or after.
The first two digits correspond to the week the tire was
manufactured; the last two would be the year.
On older tires, there are only three digits. Just look at the last
number: a "9" means the tire was born in 1999.
Everyone in the world should be aware of the age of their tire.
Located on one side of Tire
following the word DOT
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