The first two digits of the date code tell you the week that the tires were built, and the last digit tells you the year. For example, a date code such as 306 would let you know that the tire was built in the 30th week of a year ending in 6.

How do you read the date code on old tires?

The last four digits of this code tell you when your tire was manufactured. The first two numbers indicate what week of the year it was made (out of 52 weeks per year), and the second two numbers represent the year. For example, 5200 would reveal that a tire was manufactured during the 52nd week of the year 2000.

Can you tell how old your tires are?

To determine the age of your tires, check the last four digits of the U.S. The U.S. Department of Transportation (DOT) number stamped on the tires sidewall contains a date code that identifies the age of your tires.

What are the signs of bad tires?

Trouble signs to look forCracking or cuts in the sidewalls.Uneven tread wear. Excessively worn tread. Alternatively, you can use a Lincoln-head penny as a tread-wear indicator. Bulges or blisters. Excessive vibration.Jun 3, 2015