How do you read old tire date codes?

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 a tire plant code?

A complete DOT code will always end in four numbers. The last four numbers indicate the date the tire was made and will also tell you the expiration date of the tire. If your full DOT code ends in only three numbers, the tire was manufactured prior to 2000 and must be replaced.

How do you read a Michelin DOT tire code?

The first two numbers represent the week of manufacture, the last two numbers indicate the year. On this Michelin tire, the date code is “2118.” Which indicates the tire was manufactured in the 21st week of the year. The number “18” represents the year 2018.

What does the DOT code mean on a tyre?

The DOT code holds the key information about where and when the tyre was manufactured. The last 4 numbers of the DOT code represent the week and year the tyre was made. It is important to know that any tyre with only 3 numbers in the last section was made before 2000.

How do I tell how old a tire is?

The chronological age of any tire can be found on the tire sidewall by examining the characters following the symbol “DOT”. The last four numbers identify the date of manufacture of the tire to the nearest week. The first two of these four numbers identify the week of manufacture (which range from “01” to “53”).

Are 8 year old tires safe?

Old tires are dangerous, regardless of tread depth. While there’s no federally sanctioned safety guidance on when a tire is too old to be safe, many carmakers recommend replacement at six years from the date of manufacture. Old tires have been the culprit in fatal accidents.

What do Michelin tire numbers mean?

After the DOT insignia is your tire’s identification number, which begins with the tire’s manufacturer and plant code where the tire was manufactured (two numbers or letters). The ninth and tenth characters tell the week the tire was manufactured. The final number(s) signifies the year the tire was manufactured.

How do you tell the age of a Michelin tyre?

The first two digits tell you the week number and the last two indicate the year the tyre was manufactured. In the example below the age code is ‘3909’. This means the tyre was made in the 39th week of the year 2009.

How do I check my tyre expiry date?

So, how do you know the date a tyre was manufactured? It is written on the tyre as four digits! It is unfortunately not spelt out as simply as in your cookie wrapper but it is there. The first two digits represent the week, while the last two is the year of manufacture.

How do you tell how old a tyre is?

The four-digit tyre age code is usually located in a window on the tyre sidewall. The first two digits of the code represent the week of production during the year (from 1 to 52) while the second two digits represent the year of manufacture.