Calculate the age by subtracting the production date from the current date use 43 weeks to the month to estimate the month of manufacture the tire with a 3207 production date was manufactured in august 2007. The dating of inks is done in three primary forms first is the chemical date tag approximately one-third of all inks manufactured in north america contain a cumerin compound that is unique for its year of manufacture. In the example shown in the light-truck tire illustration, the tire has a load index of 114 if used as a single tire, and a load index of 111 if used in a dual pair tires without this designation are unsafe for dual usage.
Just saw this piece on abc news about tire expiration dates those who know me have always heard my mantra about buying a good quality tire, after all it’s the only thing that’s between your car and the road. Motorcycle tire dating motorcycle tires 101 fix com how to read motorcycle tire date codes do you know the your tyre manufacturing date guide find car age in month year ing motorcycle tires on the internet do motorcycle tires expire a guide to tire date codes you how to determine tire s age yokohama. The science of tire aging search the site go cars & motorcycles cars tires & wheels basics buying & selling should tires have clearer dating when is a tire too old to be safe should a tire be taken out of service because of age even if it has tread life remaining tires may age somewhat in storage, but they don't really start to. How to determine tire’s age tweet check your sidewall, and look for the serial number the last four numbers will determine the production date of the tire first two numbers will tell you the week, the last two numbers, the.
Successive heat cycle slowly hardens the tire similarly, as tires age, chemical reactions cause the rubber to harden, even during nonuse whether through heat cycles or aging, the tire’s surface becomes motorcycle industry council tire guide motorcycle motorcycle tires. It is impossible to predict when tires should be replaced based on their calendar age alone however, the older a tire the greater the chance that it will need to be replaced due to the service-related evolution or other conditions found upon inspection or detected during use. Tire manufacturers' warranties typically cover cracking for a period of 4 years from the date the tire was purchased (receipt for the new tires or in-service date of the vehicle required) or four years from the date the tire was. Some of the biggest tire retailers in the us are selling tires that are well beyond the age limit recommended by consumer groups and some automakers, according to the results of a hidden camera. As a precaution, the department of transportation recommends changing even new-looking tires once they hit 10 years old, and many manufacturers recommend swapping them out at six years old.
Service tips wit club news – june 2006 tires – date codes tire manufacturing date codes: generally accepted rules of thumb in the rv world are that regardless of low mileage or low tread wear. To find out the age of the tire by reading the manufacturing date, look on the sidewall for a 3 or 4 digit number right after the dot code the number is printed inside of an oval shape if the. Transport canada does not regulate the age, shelf life or useful life of tires they do, however, require the date of manufacture to be moulded on the sidewall of every tire.  also, tires on seldom-used trailers are at the greatest risk of age-failure, but some tires are built to withstand idleness, usually with nylon reinforcement tire showing weather-cracking over long-term exposure to the weather.
Have you subscribed to my new channel all new videos are uploaded here now: (tysm for subscribing. Tire codes & tire care tire age - knowing the manufacture date of the tires on your rv is very important some manufacturers are beginning to lengthen their tire warranty in terms of years, but any rv tire over 5 years old needs to be closely inspected for checking, sidewall cracks, or other evidence of aging. Reading a sidewall tires 101: find your tire size & more previous next width & tire type the width indicates the widest point of a tire from sidewall to sidewall some tires have a p or lt in front of the tire width, identifying them for passenger or light truck use.
Identification chart to help you determine the year yout tonka was made by the differences in the grill, hubcaps, tonka toys logo, body type and more i have attempted to note enough major differences so that you can determine the age of your truck. Tires age dangerously because of a chemical process commonly referred to as oxidation, which simply means that as the tire components are exposed to oxygen, the oxygen particles cause the flexible components of a tire to harden and become brittle. At a recent tire conference, an engineer from a major tire company was remarking on tire aging and the fact that tire age restrictions apply to tires in-service that caught my attention, because. Another thing to note when getting new tires or checking your old is that all four tires will most likely not be the exact same age on a previous set of tires i purchased, i found that three of my new tires were made in the second week of 2008, while the fourth was made in the 21st week.