When should car tires be changed? Take this simple coin quiz to find out

Written by hana

Tire change

Tire change – Source: spm

Buying used tires: details to consider

Many motorists are more likely to buy used tires than new ones to save money. However, some fall victim to their own ignorance and buy worn out and poor quality equipment that needs to be quickly replaced again. This necessarily entails additional costs.

Therefore, it is necessary to pay attention to one basic parameter before making a purchase. And this mainly relates to the age of the tyre. Most manufacturers warn that after about six years of frequent use, the rubber will begin to deteriorate and may fall apart. After 10 years, driving becomes risky. But how do you check the age of a tire? Since 2000, every tire manufactured has a number stamped indicating the year of manufacture. These are the last four numbers stamped on the side, which you obviously have to learn to read. For example, the number 4318 means that the tire was produced in the 43rd week of 2018. Also, make sure that there are no air bubbles or patch marks on the seams.

Remember, even if “on the surface” it looks good, if you don’t do your homework, the opponent’s framework can hide dark secrets. Some defects are not visible to the naked eye. It may have taken a lot of beating in the past and is not working as well as it seems. To avoid unpleasant surprises after a few days, we strongly advise you to buy it from someone you trust or to have a specialist in the field by your side who can evaluate it better.

Good to know : Never buy a used tire that does not meet legal standards. According to Article 2.1 of the decree referring to tires, the tread must include a certain number of basic information, in particular the date of manufacture, manufacturer’s mark, load capacity, dimensions and other useful inscriptions.

punctured wheel

Flat tire – Source: spm

How do you know when to replace tires with new ones?

In general, new tires have a tread depth of 8-10 mm. The minimum depth allowed in Europe is 1.6 mm. In absolute numbers, experts recommend a minimum tread depth of 4 mm for winter tires and 3 mm for summer tyres.

But how do you measure the tread and make sure it’s the right depth? Thanks to this popular trick that will give you an indication of the wear of your wheels. Take a 2 euro coin and push it into the groove of the tire. If you find that the silver outer edge (which is about 3mm) remains clearly visible on the surface, it’s time to change the tire. You can do this in different places around the perimeter of the tire. This method will work for tires you already own and those you are considering purchasing.

NB : Obviously, the other, safer method is to use a specific depth gauge for the tire.

Other signs of wear or deterioration may indicate the need to change your tires. Here are a few:

  • Possible puncture or other serious damage

Despite the bumpy nature of your tires, unfortunately, sometimes punctures are irreparable. If this happens, you have no choice but to urgently repair or replace the wheel. On the road, watch out for potholes, curbs, and other items that can seriously affect your tires.

  • Abnormal tread wear

Some signs are sometimes obvious and easy to spot. So you should watch your tires carefully: if you notice asymmetric wear, wear in the middle or on the edges of the tread, you should consider changing them. These symptoms are most likely caused by a mechanical problem, such as a failure of the balance, toe, transmission, or suspension. But it can also happen due to insufficient pressure. Therefore, it is important to check the pressure recommended by the manufacturer at least once a month, and especially before hitting the road on a long trip.

  • Vibrations in the steering wheel

While driving, steering wheel vibration is one of the most annoying problems a driver can face. Most often, they are detected from 90 km/h, but can become more noticeable as speed increases. This is a source of stress for the driver, but above all a risk to his safety. You should know that the origin of these annoying vibrations is generally related to the tires themselves. If they are misaligned, for example, they won’t have a balanced grip on the ground and the ride won’t be safe or perfect.

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