Age dating tires
When buying new tires, ask for the newest tires available, and look at the tire’s manufacture date.The manufacture date is a Department of Transportation (DOT) code of 10 or 11 characters embossed on the inside of the tire (see Figure 1). However, tires manufactured before the year 2000 have a 10-character code.An uninformed consumer thinks he or she purchased brand new tires when in reality those tires may have been sitting on the shelf for years.Even though the tires were never used on a vehicle, they are still several years old.To wait any longer than that is a gamble with tire integrity and is risky for drivers.So what can you, as a driver, do to protect yourself?Tire aging is a “hidden hazard” because most consumers don’t know that tires expire in six years and it is difficult for most consumers to tell how old a tire is without deciphering an 11 digit code that is imprinted on the side of the tire. code be clearly branded or etched on the side of each tire. Nonetheless, the following manufacturers have issued warnings on 2013 and newer vehicles about tire aging: Sadly, these warnings are not retroactively provided to consumers who own older model vehicles that are more likely to have aged or expired tires.
For most tires, this expiration date should be six years from the date of manufacture.The last two digits refer to the year the tire was produced, and the first two digits identify the week number within that year.The tire shown in Figure 1 was manufactured on the 36th week of the year 2001.However, automobile tires should be replaced every six years.The majority of people who take the gamble of keeping outdated tires do so to save money.