how to tell age of tire
e58a54d7513329c3eb7590b89137e68c
How Old â and Dangerous â Are Your Tires? The second two represent the year. A tire with a DOT code of 1109 was made in the 11th week of 2009. Tires with a three-digit code were made prior to 2000 and are trickier to decode. The first two digits still tell you the week, but the third digit tells you the year in the decade that it was created.The hard part is knowing what decade that was.or years, people have relied on a tire's tread depth to determine its condition. But the rubber compounds in a tire deteriorate with time, regardless of the condition of the tread. An old tire poses a safety hazard. For some people, old tires might never be an issue.
b5f1356743d61526972b9d0236ecddbe
Tires Expire in Six Years Six years from the date of manufacture, most tires are no longer safe for use on a vehicle. Tire aging is a “hidden hazard” because most consumers don’t know that tires expire in six years and it is difficult for most consumers to tell how old a tire is without deciphering an 11 digit code that is imprinted on the side of the tire.
ff483e54029d5aa9c95df62a3014aa23
- Finally, the 16 indicates the tire's diameter so this particular example means it fits a 16 wheel. For more information on reading these measurements, you can check here. Also, some tire manufacturers list their tires in inch measurements instead of metric, so here is a handy conversion chart.
9fc65ce9ef15b7f114c9f9921ccb20e1
- The first two digits on your DOT number are the week when the tire was manufactured. 01 means week one of the year, 34 means the 34th week of the year, 29 means the 29th week of the year, and so on. The last number is the year of manufacture. A tire with DOT number 378 was manufactured in the 37th week of 1998.
c969e383e19451e64ecbe450d3aefc2d
How Old Are Your Tires? Check the Born-On Date DOT R5HG FHR 404 would indicate a tire manufactured in the 40th week of 1994 (or 1984, or '74). If you find your new tires are more than two years old, feel free to request a newer manufacture date or a discount from the salesman. The customer is always right, after all.
1cd9bea02c5dab97bca2d1ea7f210884
11 Things To Know About Boat Trailer Tires Your tire's age (whether for a boat trailer, truck, or passenger car) has a DOT (Department of Transportation) time stamp that provides the tire's date of manufacture. The last four digits tell you everything you need to know. In this example, the tire was manufactured in the second week of 2008.
7142b6f360becac95a1ee109e2e5825c
How Old â and Dangerous â Are Your Tires? For some people, old tires might never be an issue. If you drive a typical number of miles, somewhere around 12,000-15,000 miles annually, a tire's tread will wear out in three to four years, long before the rubber compound does.
a767dfde7729ac153008eedd7862e601
How To Check The Age of Your Tires Car companies and tire companies have sent bulletins to dealers saying that tires older than six to ten years should be replaced. WATCH a video on how to tell the age of your tires. Fortunately, you don't have to depend on a professional to determine the age of your tires.The answer is right in front of you, written on the side of the tire itself. Every tire has a Tire Identification Number -- a serial number -- inscribed on its sidewall.On tires manufactured after 2006, the number is written on the sidewall that faces out and is easily visible.n fact, as all tires age they become more prone to losing their tread suddenly and causing an accident. According to the National Highway Traffic Safety Administration (NHTSA), when tires are older than six years, the chances of a sudden tread separation start to climb.
fa1cf1745544ddf70fb84f0b97a502fe
Tire Size Tire Width is the width of the tire measured in millimeters from sidewall to sidewall. The first three-digit number in the tire size refers to the tire width. For instance, in a size P215/65 R15 tire, the width is 215 millimeters.Aspect Ratio is the ratio of the height of the tire's cross-section to its width. The two-digit number after the slash mark in a tire size is the aspect ratio.For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire's width.The bigger the aspect ratio, the bigger the tire's sidewall will be. Construction. The letter R in a tire size stands for Radial, which means the layers run radially across the tire.Wheel Diameter is the size of the wheel measured from one end to the other. It tells us the size of the wheel that the tire is intended to fit. A size P215/65 R15 tire is made for a wheel with a 15 diameter.he letter R in a tire size stands for Radial, which means the layers run radially across the tire. Wheel Diameter is the size of the wheel measured from one end to the other. It tells us the size of the wheel that the tire is intended to fit. A size P215/65 R15 tire is made for a wheel with a 15 diameter.
ca4aba1dc1f6c544bf033d89ac71a73b
Motorcycle Views Or, maybe you're wondering just how old the tires are on the motorcycle you just bought. Here's how to tell: Look on the sidewall of the tire for the DOT symbol. Follow the line of text and numbers after the DOT symbol until you reach the end. If the tire was manufactured in the year 2000 or later, the last 4 digits give the age. The last 2 digits give the year and the preceding 2 digits give the week of manufacture.
60b871059e3bb06324017e4060ae29bb
How to Know when Car Tires Need Replacing Use a tread depth indicator or gauge. You can use a special tread depth indicator or gauge tool to measure your tire's tread. If you don't already own one, the gauge is cheap to purchase from an auto parts dealer and it's easy to use. You may be able to find a downloadable tread depth gauge by searching online.
8792f7569e3f9416e5f245e4020efec4
- There are several popular ways to check your tire tread depth. One easy way is the penny test. Simply insert a penny into your tire's tread groove with Lincoln's head upside down and facing you. If you can see all of Lincoln's head, your tread depth is less than 2/32 inch and it's time to replace your tires.
ef21c0935eef643899c3e787cda155e8
- DEFINITIONS The “legal life of the tire” is six years from the date of purchase or thelife of the “usable tread”, which is defined as the original tread worndown to the level of the treadwear indicators - 2/32nds of an inch(1.6 mm) of tread remaining, whichever comes first.
c3f26ba1b7879810b17a2fb6eca00adc
Tread Depth There are several popular ways to check your tire tread depth. One easy way is the penny test. Simply insert a penny into your tire's tread groove with Lincoln's head upside down and facing you. If you can see all of Lincoln's head, your tread depth is less than 2/32 inch and it's time to replace your tires. Another easy coin test is the quarter test. Insert a quarter into your tread groove.
3feddfab2ec9a8afb1be789abae56b8b
How to determine the age of your tires How to find the DOT number on your tires. If you look closely at the side of each of your tires, you'll see a bunch of letters and numbers. While this may just look like a confusing jumble, it's actually useful info. Look for a number that starts with the letters “DOT,” followed by a series of 10-12 characters.
8c59b7a63dc76accd35a1058f3cde467
How To Read Tire Date Codes Tire Ratings & Reviews * Tire Road Hazard Protection Tire Tech * Air Pressure * Alignment * Determining the Age of a Tire * How to Read a Tire * Measuring Tread Depth With a Coin * Tire Rotation Instructions * More... * Special Offers * Rebates & More * * * * Wheels * * Shop * By Vehicle * Tire &…
9252f31a40e37c308e7da79c48473b6a
Deciphering the Age of a Tire using the Tire Identification Codes XXXXXXXX 0500. 05 – Manufactured during the 05th week of the year. XXXXXXXX 0670. 7 – Manufactured during the 7th year of the decade. With the earlier format of the serial number, you could identify that a tire was manufactured in the 8th year of a decade, however there was way to tell which decade. An exception to this is that a tire that was produced during the 1990s decade might have a small triangle after the Tire Identification Code.
573588cb14caa0a2e989b893f0eb8c5e
- I have used my trailer for 5 summers. The tires probably have around 5000 miles or so on them. Posted By: Chuck&Gail on 01/24/12 06:44pm. I change mine when they get to be 7 years old per the DOT code (trailer age often means nothing cause tires could be old when instralled) or they are worn out.
52bdf30a2e6051c05a3f504e7a8233e3
Tire Specs Explained: Tread Depth …with a tire tread depth gauge. When tires have neared the end of their life, a U.S. Lincoln penny can also be used to confirm the tire's tread depth. If Lincoln's entire head is visible, the tire is worn to approximately 2/32 and is considered legally worn out in most States.
7216e067edd4442b82a95db4deaa3c1c
Tire Aging: Part #1 Environmental conditions like exposure to sunlight and coastal climates, as well as poor storage and infrequent use, accelerate the aging process. In ideal conditions, a tyre may have a life expectancy that exceeds ten years from its date of manufacture. However, such conditions are rare.
cd9f09b2e2427090db010aa64d612be5
Does the Age of Tires Matter? Does the Age of Tires Matter? The ABC News program 20/20 which aired on May 9th, had an interesting investigative report on the safety of older tires. Research and tests show that as tires age, they begin to dry out and become potentially dangerous, leading to calls for a six-year age limit for tires from Ford Motor Co. and other car companies.
8273159af73142f6d8351d1a55f12c01
How to Know when Car Tires Need Replacing At this point, it's time to replace the tires. 3. Check the tread by using the penny test.  Take a penny, and place it upside down with Lincoln facing you in the center of the tread (at the thickest part of the tire). 1  If you can see the very top of Lincoln's head or the copper above it, replace the tires immediately.
af44916e9d6e4a988a4097cdd0ba9e5b
How To Inspect a Tire One easy way to check for wear is by using the penny test. All you have to do is grab your spare change and follow 3 easy steps. Take a penny and hold Abe's body between your thumb and forefinger. Select a point on your tire where tread appears the lowest and place Lincoln's head into one of the grooves.
1119e006fa933c15c2197a8154274304
How To Read Tire Date Codes Determining the Age of a Tire. When it comes to determining the age of a tire, it is easy to identify when a tire was manufactured by reading its Tire Identification Number (often referred to as the tire's serial number).
de19c9bf894e62c50f2c6c26f4cfb472
- 0604. The final four numbers denote when the tire was produced, with the first two indicating the week, and the last number indicating the year (0604 indicates the tire was built in the 6th week of 2004).
4c47a05ae97390d70db641ef099c4ab8
- The first number is your overall diameter of the tire. In this example the tire diameter or height is 33 inches tall. The second number represents the width of the tire. In most cases with inch measurement tires the width will have a .50 decimal after the initial number. In example A this reads 12.50, meaning the tire width is 12 and 1/2 inches.