How to: Read Tire Date Codes

How to: Read Tire Date Codes

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. Tire age is a tricky subject at Coker Tire, because we manufacture NEW tires that look like old tires. There can be some confusion in regard to tire age, and that’s why we wanted to put together this guide to decoding your tire and therefore determining the tire’s age. The tire industry has some loose guidelines on tire age that call for tire replacement after 6 to 10 years of service. On a daily driver, you’ll likely wear out the tread before the year window, but on a collector vehicle, the tire could expire well before the tread is gone.

Tyre Age – How Old Are My Tyres?

Knowing if your car has TPMS will enable you to find the right tires. Not sure? Enter your phone number to receive a text message with a link for this information. The number will not be used for any other purpose.

How to determine the age of your tires, or tire manufacture date on your tire, grab a flashlight and slide underneath your car to check the other.

To verify if your tire is affected by this program, check the tire sidewall inscription. The attached pictures provide samples of the relevant sidewall inscriptions. To see a list of tires affected by this recall, click here. Please see these instructions for an example of how to read a tire sidewall. There are four major components of the sidewall lettering which help to identify the tire:.

Important: The complete DOT serial number including production date is visible only on one side of the tire. We use cookies to ensure that we give you the best experience on our website. Click here to find out more or to change your cookie settings. Products for Transport Dealer Locator. Tire Selector. Continental News. Tire identification – How to find out if your tire is affected.

A Japanese Guy Slashed the Tires on 1,000 Women’s Cars in a Weird Bid for Attention

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”.

Unlike other car parts, however, tire manufacturers always give an estimate for about how long a tire should last. The estimates themselves can range greatly for​.

Please read and accept the Tire Selector terms of use, link. P identifies your tire as a Passenger Tire. The P stands for PMetric. This measurement varies depending on the rim to which it is fitted. This percentage compares the tire’s section height with the tire’s section width. R indicates the construction used within the tires casing. R stands for radial construction.

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Recent news reports about old tires failing has experts asking if tires should have expiration dates the same as many other products. Because old tires are failing and killing people! NHTSA to investigate the problem of tire aging. The group says they have documented at least 20 accidents caused by old tires blowing out, 10 of which resulted in fatalities.

To get the most out of your car’s tires, check their pressure monthly and visually Every tire has a date code for when it was manufactured.

Want to know how old your tires are or what size your tires are? You need to know how to read tire sidewall information, the alphanumeric code stamped on to the side of your tires. But if you’ve ever looked at the sidewall of a tire and thought that the blizzard of numbers, letters, and words was as confusing as hieroglyphics, we understand. The alphabet soup on tires’ sidewalls can be off-putting, but it’s pretty easy once you know what you’re looking at.

Beyond the brand Michelin, Continental, Hankook, etc. Not to worry. Let us be your Rosetta stone to deciphering the language of the tire sidewall. The numbers highlighted in pink on the sample tire below correspond to the explanations that follow. In this case, the tire is millimeters at its widest point when it’s mounted on a wheel of a specified width.

This tire’s sidewall height is 40 percent of its width. Sometimes, letters precede the first number. A “P” stands for p-metric, which is a tire used primarily on passenger cars.

How Old — and Dangerous — Are Your Tires?

I agree to the use of cookies and tracking mechanisms which are used to analyse my activity on this website in order to improve my user experience. Find out more. A tires sidewall protects the carcass on the inside and provides a comfortable riding experience due to its flexibility during cornering. The type of tire, size, structure, tread pattern, manufacturer, brand name and other detailed information are marked on the sidewall.

Tire spec notation varies according to car model but primarily consists of symbols and numbers denoting tire width, aspect ratio, diameter, load index and speed symbol that indicate tire performance. E-mail Share this page to my friends.

The date code must be positioned as shown in Figures 1 or 2 for new tires that retreaders of tires for use on motor vehicles other than passenger cars may.

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Registered in England and Wales. Number Wayne Wenzel Nov 09, SRS President Sean Kane said rubber can begin to degrade after six years even if the tires have never been used. It turns out most passenger vehicle tires already have a date stamped on them. The date is a small tag placed in the mold and it is formed into the tire sidewall when cured.

These usually have the week of manufacture and the year although some manufacturers might use weeks based on a fiscal year.

Tire Safety: Expiration Dates

We respect your privacy. All email addresses you provide will be used just for sending this story. Make a tire check part of your regular car maintenance routine, because it can improve your safety and boost your car’s fuel economy. Consumer Reports encourages those traveling over the long Memorial Day weekend to follow these quick tips.

To get the most out of your car’s tires, check their pressure monthly and visually inspect them for cuts, cracking, and bulges.

Prior to year three numbers are used for the date of manufacture. The first two numbers identify the week and the last number identifies the year of.

Tires have very useful information molded onto their sidewalls. It shows the brand and model name of the tire, its size, whether it is tubeless or tube type, the maximum load and the maximum inflation, safety warning s , and much more. The load index should not be used independently to determine replacement tire acceptability for load capacity. The load range identifies the tire’s load and inflation limits.

Sidewall markings are given in both metric and English Engineering units. Department of Transportation U. DOT tire-safety performance standards.

Reading a Sidewall

When buying new cars, you also get a new set of tires. But when replacing tires after some years, you need to know the tire information on the sidewall. Especially when finding the appropriate replacement, the tire size and the year of production need to be confirmed.

The sidewall of your tires is filled with important information that tells you everything about construction, which is the industry standard for passenger car and light truck tires. The final four numbers in the TIN represent date of manufacturer.

If not — you should. They may last another three years, but your tread has little to do with it. What is more essential is the age of the tire. Tires are made of rubber, obviously, and when rubber gets old, it starts to dry and crack often times from the inside out — this process is not always visible to the naked eye. Until recently, I had no idea that the age of the tire mattered. I thought it was all in the tread and visible cracking. I also had no idea that tires have a manufacture date stamped on them.

It turns out that tires have cryptic codes on them. Since , the week and year the tire was produced has been provided by the last four digits of the Tire Identification Number with the 2 digits being used to identify the week immediately preceding the 2 digits used to identify the year. While the entire Tire Identification Number is required to be branded onto one sidewall of every tire, current regulations also require that DOT and the first digits of the Tire Identification Number must also be branded onto the opposite sidewall.

Watch Out for Old Tires

If you’ve ever wondered how old your tires are, it’s an easy bit of information to find out. Tires actually have a “born-on” date, and it’s listed right on the tire itself. Almost everything you need to know about your tires is molded into the sidewall and coded according to federal requirements, including the specific week and year when a tire was made.

The rubber on a car tire degrades over time, and tire warranties can be tied to manufacturing dates. Every tire sold in the United States has a date code stamped.

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How to read dot dates on car tires AND read where they were made.


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