How to tell the age of your tires

It is fairly well accepted that tires should be replaced after they are 6 or 7 years old.  The rubber compound in tires which are older than 6 or 7 years can begin to deteriorate, causing the tire to become stiff or brittle.  However, it is important to note that the “shelf-life” clock for tires begins ticking as soon as the tire is manufactured, not when the tire is purchased.  In order tell the age of a tire, date codes are stamped into all new tires.  The date code typically consists of four digits: the first 2 digits indicate the week in which the tire was made and the last 2 digits represent the year.  As an example: if the date code reads 3710 then the tire was manufactured in the 37th week of 2010.  If your tire has only 3 digits in the date code that indicates that it was made prior to 2000, probably time to replace it.

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