Tire Safety Checklist: What to Do Before Your Next Road Trip
Maintaining your tires takes a little extra time, but nothing is more important for safety and long wear life. Learn about tire care in this section. Federal law requires tire manufacturers to place standardized information on the sidewall of all tires. This information identifies and describes the fundamental characteristics of the tire and also provides a tire identification number for safety standard certification and in case of a recall. In general, the larger the number, the wider the tire.
Does climate have an effect on the aging of tires? Are some vehicles more prone to.
The condition of the tires on a car are what determines a car’s capabilities in terms of acceleration, braking and cornering. 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 on it. The date code will let you know when tires need to be replaced.
Use a flashlight to find the Department of Transportation code on the tire. Read the last two digits of the DOT code. The last two digits are the year of manufacture. If the last two digits are 07, for example, the tire was manufactured in The two digits before the year indicate the week of the year that the tires were manufactured.
There are 52 weeks in a year, so these two digits range from 01 to Remove the tire or get under the car if the DOT code on the outer side wall of the tire is less than 10 characters long. The full DOT code is required to be only on one sidewall of each tire.
Where can I find my tyres’ age?
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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.
Every sidewall has its own unique information that is divided into four main sections:. This describes the fundamental characteristics of your tire. Size, construction, speed rating and more. This designates the type of vehicle the tire fits. P is for passenger metric. Why millimeters?
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Automobile tires are described by an alphanumeric tire code in American English and Canadian English or tyre code in British English , Australian English and others , which is generally molded or moulded into the sidewall of the tire. This code specifies the dimensions of the tire, and some of its key limitations, such as load-bearing ability, and maximum speed. Sometimes the inner sidewall contains information not included on the outer sidewall, and vice versa.
The code has grown in complexity over the years, as is evident from the mix of SI and imperial units, and ad-hoc extensions to lettering and numbering schemes.
Verify the physical age of any car tire by examining the markings on the tire sidewall For example, a tire with a DOT of XXXXXXX has a manufacture date.
Tires, like most other auto parts, are built to withstand a great deal of wear and tear. 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 each tire, but you’ll usually see a manufacturer listing of how many tens of thousands of miles you may expect out of that particular tire.
When it comes to car part longevity, however, there are always circumstances when the auto part information given by a manufacturer may not apply. In the case of tires, the estimate of how long a tire can last is based primarily on the tread wear. But some safety advocates want to add an expiration date of six years onto each tire, regardless of how much tread is left on them.
The reason for setting up this six-year standard is that some research has shown that after that amount of time passes, tire failures dramatically increase. Although there isn’t a set expiration date as of yet, companies like Ford Motor Company already encourages its customers to scrap their tires if they’re more than six years old [source: Holguin ]. But how can you determine the age of a tire?
How Old are your Tires? Your Safety may Depend on the Answer
The purpose of this regulation is to reduce greenhouse gas emissions from vehicles operating with under inflated tires by inflating them to the recommended tire pressure rating. The regulation applies to vehicles with a gross vehicle weight rating GVWR of 10, pounds or less. Get the Flash Player to see this video.
Since tires play a major role in establishing the personality of a vehicle, many The TIN shows the manufacturer and plant code, tire size, and date the tire was.
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Old tyres can be a ticking time-bomb that could dangerously fail and lose air.
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.
Check the tread depth; it is recommended that you shop for replacement tires before the tires have become too worn down.
New date from 18 to 20 May After in-depth consultation, and in agreement with our partners at the German Tyre Retail and Vulcanisation Trade.
Decoding your car’s tire information doesn’t require flipping through the owner’s manual. All the information you need is right there on the sidewall. You just have to know how to crack the code. Not only do the jumble of letters and numbers tell you the size of the tire, but they can also tell you how safe your tires are and how old they are, too. Let’s take a look at the tires on Roadshow’s long-term Kia Stinger for example. The biggest stamping on the tire is the brand and model, in this case Michelin Pilot Sport 4.
How to: Read Tire Date Codes
The Tax Department is responsible for administering the collection of the fee. You can keep 25 cents for each tire sold to cover your administrative costs. The fee applies to new tires you sell in New York State for use on nearly all self-propelled or towed vehicles that qualify to be registered under the Vehicle and Traffic Law including:. The fee also applies to new tires you sell in New York State with a new or used vehicle, including spare tires, whether they are full-size or for emergency use only.
Your vehicle’s tires are the only thing between you and the road. To help ensure Use this date code to determine the age of your tires. For this particular tire.
With gas prices these days, you often hear about keeping your tires properly inflated. You might also rotate, balance, and check your tires regularly for wear, but most drivers do not know that their tires have an expiration date? Tire defects aside, just because a tire looks brand new does not mean it is safe to use. Modern tires are highly engineered products that must withstand the weight of a car plus the forces from braking and turning while providing a comfortable ride and increased gas mileage.
Even without exposure to heat and friction from the road, certain tire compounds like natural and synthetic rubbers decompose over time. Tire manufacturers must provide the date on which the tire was manufactured, but not the date by after which the tire should not be used. To make matters worse, the “born-on” date is provided using a cryptic code that most consumers — and even many tire installers — are unable to accurately read and, until only recently, were placed on the inside wall of the tire making it very difficult to even find.
How do you know if your tires are too old? Experts have warned that tires more than six years old can fail catastrophically. In other words, the brand new tires that you just installed could blow out and lead to severe injury or death if they are simply too old. In spite of mounting pressure, tire manufacturers have been reluctant to issue expiration dates. It is possible that tires may wear out well before the expiration date with wear and exposure to a host of other factors that affect the useful life of a tire.
For instance, exposure to heat, sunlight, ozone, etc.
Understand your tire
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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.
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. To read the date on a tire, look near the edge of the rim for a series of characters starting with the letters DOT.
This code can tell you the manufacturer of the tire and the factory where it was made, as well as provide lot-specific information used for tracking in case of a recall. The last four digits of this code tell you when your tire was manufactured. The first two numbers indicate what week of the year it was made out of 52 weeks per year , and the second two numbers represent the year.
For example, would reveal that a tire was manufactured during the 52nd week of the year Prior to the year , DOT coding was slightly different. If you have a tire that doesn’t match the coding you see in our example, it was likely manufactured before and should be retired as a safety precaution.
How old are my tires?
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 following is the explanation of the information on a tire sidewall.
Tire rubber hardens or deforms with age, its internal structure changes, and causes degradation of its stability and the quality.
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.
Reading this information will help you to maintain your tires, and to choose new ones when the time comes for a replacement set. Load ratings and speed ratings should be looked at together when you choose a tire. The speed rating is the maximum legal speed for a tyre when it is correctly inflated and in use under load. You will find your tyres speed rating printed on the sidewall, and represented by a letter. When buying replacement tyres it is essential to match their speed rating with the speed capabilities of your vehicle.
This is the maximum inflation pressure for your tire, which is important to know when checking tire pressure. You should consult your vehicle’s manual for more information. You should check these indicators regularly to ensure the tread is sufficiently deep. In EU countries the minimum tread depth is in most cases 1. Select vehicle:. Home All about tires Understanding your tire. Share this page : Send to mobile Email Facebook Twitter.
Understand your tire. Reading your tire How tires are made Caring for your tires.