DOT Date Code & Tire Age Explained
Expired medicine may not be effective at treating your symptoms. These numbers represent the week that the tire was manufactured. Cookies make wikiHow better. On the way home, one of the tires blew out causing the car to crash. The last group of digits in the code is the date code that tells when the tire was made.
How to Read Tire Size and Sidewall Markings
Did this summary help you? Friends dad bought a set in that era and the look the same. The second two numbers are the year the tire was manufactured. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. That is the type of use full information that every car crazy person needs to know.
These tires have spent almost all of their life in a dark corner of a storage building. Bias ply with a tube seem to hold up okay as long as you run enough air that the sidewalls don't go through too much flex. No, white create an account now. Tire makers say expiration dates would complicate their distribution systems because new tires often sit on shelves for two years or more.
Older tires are substantially more likely to fail than newer ones. The Tire Safety Group offers a free tool for consumers to check their tires to instantly determine whether a tire is expired or recalled. Are you concerned about the age of your tires? Look on the bottom or sides of the meal and find a string of five numbers in a row. Tires deteriorate over time, even if they are not used or driven on.
This represents the year of the s that the tire was manufactured. You'd have to be a Kamikaze to use those on the street. Proper Storage Increases the Life of the Tire Properly stored tires that are protected from the elements and not mounted on a wheel age very slowly.
Hello guys, I have a set of old Michelin X tires on my car. The average consumer assumes that when they buy new tires for their vehicle, they are getting new tires, not old unsold tires that may have been sitting in a warehouse for years. Most of the lawsuits involving these tread separation accidents have been on tires that were six or more years old. Read the expiration date on baby formula and pharmaceuticals. How do I read the date code on leaf chewing tobacco?
Date Code on Old Tires
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Some experts now say the same test should now be done with a quarter. Check the other side of the tire if you see an incomplete code. Yes, they are beat and will be replaced. The number is often stamped in a recessed rectangle.
If it looks or smells rancid or clumps together, it's already way over expired. The sell by, use by, and expiration dates helps the store know how long they should keep a product on the shelves and is an estimate of how long the food will taste its best. You can assume that the food was manufactured the same year that you bought it.
How Old Are Your Tires Check the Born-On Date
Don't trust those for highway use! The three digits represent the day of the year that the food was manufactured. If the tread is worn down so the wear bars are flush with the surrounding tread, the tire is worn out and needs to be replaced.
- For most tires, this expiration date should be six years from the date of manufacture.
- Unlike food, you shouldn't use pharmaceuticals and baby formula after the expiration date.
- At least they'll see his pink Lincoln coming before he kills someone.
- At issue is the claim that some rubber compounds degrade over time, even if unused.
- Possibly an older established tire dealer may be able to help.
The Task Group was formed in to establish a tire durability test. No matter how old the tires are when you buy them, the most important aspect of tire safety is regular maintenance and inspection. Not tube type lock ring wheels. Because old tires are failing and killing people! The first two digits represent the year that the chips were manufactured and the last two digits represent the week.
The concern is usually that tires may have sat in a warehouse for years, youtube collegehumor dating and the rubber has degraded in some way. You can either obtain a free Tire Facts Report from this website or you can do it the old-fashioned way. These represents the year that the tire was manufactured. The salesman would peel them off and paste them into a log book they kept.
We are always happy to help our customers! Include your email address to get a message when this question is answered. Tread wear can be measured using a penny. In one such incident, the owner of a Sunbeam Tiger was returning from an antique car show.
Reading a Tire Sidewall
According to experts, tires older than six years become increasingly more dangerous regardless of how long they have actually been on the road. If you see cords showing through the rubber, dating the tire is unsafe to drive on and is on the verge of failure. The date is currently printed on one side of the tire but coded in a fashion that it is difficult to decipher by most consumers and frequently facing inside when the tire is mounted.
- Find a four digit number at the end of the numeric code on the chip.
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- They will fall apart as soon as they get warmed up.
- Figure out the company that manufactured the product by locating the logo on the hardware or on the chip itself.
- For more information, contact Stuart Gosswein at stuartg sema.
How To Read Tire Date Codes at Tire Rack
Sadly, these warnings are not retroactively provided to consumers who own older model vehicles that are more likely to have aged or expired tires. The test was given a stamp of approval by The Aged Tire Durability Task Group, a member task force which includes representatives for tire makers, tips dating the auto industry and safety groups. Certain chips from manufacturers will only have a three digit code. The first two digits identify the week while the last two digits identify the year.
Environmental conditions like exposure to sunlight or coastal climates, as well as poor storage and infrequent use accelerate the aging process. The National Highway Traffic Safety Administration says additional research is needed to come up with an appropriate aging test for tires. These dates will usually be formatted with the month, day, and year. They should also consider the associated environmental, social and economic costs if expiration dates lead to premature tire scrapage.