Here’s how it works: Place a penny with Lincoln’s head upside down and facing you into the shallowest groove on the tire. If all of Lincoln’s head is visible above the tread, you have only 2/32″ or less tread depth left and your tire has reached the end of its useful life.
What determines a tire’s lifespan?
- A tire’s lifespan is determined just as much by the conditions a tire is exposed as it is by calendar years. Temperature changes, sun exposure, storage conditions, usage and maintenance schedules all contribute to how a tire ages.
How do you determine tire lifespan?
The last four digits of the DOT code show how old the tire is. It’s easy to forget that your spare tire is aging. In addition to maintaining its air pressure, check for its “birth date.” Maintaining the proper air pressure is the most important thing you can do to keep your tires running longer.
What is the legal tire tread depth in Washington state?
Washington state law requires tires to have a tread depth equal to or of greater than 2/32 of an inch. A tire depth gauge is a useful tool, but for those of us that do not have the tool, myself included, there is any easy way to measure the tread depth.
How much life do my tires have left?
It may be tentative, but tires do have an expiration date. There is a general consensus that most tires should be inspected, if not replaced, at about six years and should be absolutely be swapped out after 10 years, regardless of how much tread they have left.
How long do tires last with low mileage?
So, how long should tires last? The straightforward answer is “it depends.” A normal set of tires should last for 60,000 to 75,000 miles, or about four to five years.
How often should tires be replaced?
The NHTSA recommends that tires be replaced every six years regardless of the number of miles driven. Proper inflation is the Holy Grail of tire maintenance. Too much or too little air in your tires is guaranteed to cause you trouble and uneven or excessive wear over time.
Can you sell a car with bald tires?
If you are selling to a private party, and the tires are bald or otherwise dangerous, you have to replace them. It’s like any other safety item — it’s not ethical and unwise to sell a car with a known danger despite any assurances a buyer might make to you that they intend to handle it.
How can tires be illegal?
An unsafe used tire, according to the USTMA guidelines, is one that: Has 1/16 inch of tread depth or less; Has damage exposing steel belts or other internal components; Has been repaired improperly; or.
Should I replace my tires after 5 years?
After five years or more in use, your tires should be thoroughly inspected at least once per year by a professional. If the tires haven’t been replaced 10 years after their date of manufacture, as a precaution, Michelin recommends replacing them with new tires.
Is it OK to replace only 2 tires?
Mixing tire brands or even different models may cause handling instability. And when replacing only two, we recommend installing the new tires in the rear and placing the (older but still decent) rear tires in the front. This may help prevent a spinout or oversteer condition on slick roads.
When should quarter test tires be replaced?
The Quarter Test
- Insert a quarter into the tire tread upside down, with Washington’s head going in first.
- If the top of George’s head is covered by the tread, your tires are OK – do this test at multiple points around each tire.
- If the top of his head is visible at any point around the tire, you need new tires.