Same age dating tires

Canadian Tire and other retailers have no policy on age of tires sold |

same age dating tires

The evidence is clear: tires should have an expiration date. This is because tires are made mostly of rubber, and rubber degrades with age. Sadly, these warnings are not retroactively provided to consumers who own older model vehicles. How to determine the age of your tires, or tire manufacture date & how your old is that all four tires will most likely not be the exact same age. where to find your tire date. How to determine the age of your tires. Not sure how old your tires The date of manufacture is the last four digits of the DOT code. The first two digits are to a local installer. Usually same-day or next-day service .

How Old are your Tires? Your Safety may Depend on the Age

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.

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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.

same age dating tires

Tires Manufacture Date After Sincethe 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. Example of a tire manufactured since with the current Tire Identification Number format: Tire Manufacture Date Before The Tire Identification Number for tires produced prior to was based on the assumption that tires would not be in service for ten years.

Date Check On Tyres - Tires Tips

The 2 digits used to identify the week a tire was manufactured immediately preceded a single digit used to identify the year. Example of a tire manufactured before with the earlier Tire Identification Number format: DOT EJ8J DFM Manufactured during the 40th week of the year, during the 8th year of the decade While the previous Tire Identification Number format identified that a tire was built in the 8th year of a decade, there was no universal identifier that confirmed which decade tires produced in the s may have a small triangle following the Tire Identification Number to identify the decade.

What is a tire date code and where do I find it? |

And finally, hold on to your sales receipt. According to the National Highway Transportation Safety Administration NHTSAa tire ages when there is a "loss in a tire's material properties, which over time leads to a reduction or performance capabilities" [source: National Highway Traffic Safety Administration ].

The NHTSA is conducting more car part information testing with tires to provide the industry and consumers with the most significant information possible.

same age dating tires

If a tire is placed on a car shortly after it's been made, the oxidation that occurs has a minimal effect on the tire because the tread usually wears down before the oxidation causes any major problems [source: But tires that are mounted on a rim, even if they aren't used or if it's used infrequently, like a spare tire, for example, can still undergo oxidation.

Think of it this way; if you buy a gallon of milk but don't open it for 8 weeks, it doesn't mean that milk will still be fresh when you do use it.

same age dating tires

The milk will curdle regardless of whether or not you've opened it. The same goes for tires. Having a tire sitting around for several years may actually reduce its longevity. Not only does oxygen break down a tire's material properties, but heat also causes tires to break down even faster [source:

same age dating tires