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The "tread" is the part of the tire that is supposed to touch the ground. A tire with no tread would be a tire that is not supposed to touch the ground.
You may be wondering why tires have a pattern of grooves (a.k.a., voids) in the tread. They're for bad weather. The grooves allow rain, and (if they're wider) mud and snow to squelch out from under the tire so that the tread can come into contact with something solid on which to get a grip.
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∙ 15y ago
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How often do you need new tires?
When your tires have 2/32" tread depth left you need to replace them.
How can I tell if my truck tires need replacing?
If you're having to put air in your tires frequently then your tires probably need replacing. Also if the tread on the tires is worn down they should be replaced (a symptom of worn tread is the tires squealing on the road for no apparent reason).
How much do wide tread tires cost?
More than narrow tread tires.
How do I know when my tires are worn down and I need to replace them?
Tires have molded indicators called "wear bars." If these are visible across the tread pattern, your tires need to be replaced.
How do you tell when i need new tires?
I inspect the tire and measure the tread depth.
How do I know when I need to buy new tires?
There are tread wear indicators that are in the tire itself. When the tires need to be repalced theese indicators show.
Do your tires let you know when they need replacing?
In the tread there are small 'bars' at the bottom surface about 2-3 mm high, when average tread wear is down to these 'bars' you should get new tires.
Are ridged car tires better than smooth car tires?
If you want traction you need the tread. Smooth tires are only used for racing.
How much tread on tire before replacing?
A good test is to take a penny and place it in the tread grove with the head of Lincoln facing down. If you can see the top of Lincoln's head you need new tires. If the tread is worn more on the inside or outside you need a front end alignment. If the tread is worn on the outer edges you are running the tires with too low air pressure. Worn in the center, too much air pressure. Of course dry rotted and cracked tires need replacing no matter the tread depth.
What is the minimum tread depth for tires other than the front tires?
Minimum tread depth for all 4 tires is 2/32"
How do you do the "penny test" to tell if you need new tires?
You put a penny into the tread with Abraham Lincoln's head facing the tire. If the tread covers up Abe at all, then you're good. If not, get new tires!
How do I know when I need new tires?
Eventually, you will notice that your car is losing traction due to tread loss, especially on wet surfaces. You'll also notice that you may not be getting the mileage out of your car that you used to. A good, simple way to check the tread is with a quarter. On most tires, when the tread is lower than Washington's nose, it's time to take your car in and see of you need new tires.
