Category: Auto

If The Wheels Are Different - When You Can, And When Not

2023

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Video: If The Wheels Are Different - When You Can, And When Not

Отличия серверных жестких дисков от десктопных
Video: Ace of Base - Wheel of Fortune (Official Music Video) 2023, January
If The Wheels Are Different - When You Can, And When Not
If The Wheels Are Different - When You Can, And When Not
Anonim

The tale of different wheels has been familiar to many of us since childhood. Remember, there a cart with different wheels turned out to be a worthless vehicle, and therefore it was thrown into the forest? It is understandable: almost always they put different wheels from hopelessness.

Не одобряли транспортное средство с разными колесами даже в детской литературе
Не одобряли транспортное средство с разными колесами даже в детской литературе

They did not approve of a vehicle with different wheels, even in children's literature. They did not approve of a vehicle with different wheels, even in children's literature.

Legal aspect

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But what if you put bigger wheels? - examination of SP

First, recall how the law applies to different wheels. The “List of malfunctions and conditions under which the operation of vehicles is prohibited” is always checked for a booklet with the Rules of the road. It lists the disadvantages of vehicles with which their long-term operation is prohibited. With them, you will not be able to get the diagnostic card necessary for issuing a CTP policy. But you can get to the place of parking or repair with all the disadvantages listed below. Is there any mention of wheels?

Read. Operation is prohibited if:

“Tires of various sizes, designs (radial, diagonal, chamber, tubeless), models with various tread patterns, frost-resistant and non-frost-resistant, new and restored, new and with a deep tread pattern are installed on one axis of the vehicle. Studded and non-studded tires are installed on the vehicle.”

So far, everything is clear. And according to the rules, and common sense, it is obvious that the wheels and tires should be the same on the same axis. But this idyll is often violated … setting a spare wheel. Of course, if the trunk is full-sized wheel, then nothing will change, but, unfortunately, there are other options. Namely:

  • you have a summer reserve, and it happens in the winter and you have winter wheels installed
  • your vehicle has a spare tire smaller than the other wheels
  • applied dokatka with a narrow tire of a small size.

We already spoke in more detail about dokatki earlier. By law, you can drive them only to the place of parking or repair. It goes without saying that at the same time you need to keep the speed no higher than 80 km / h and observe special caution.

После установки докатки колеса однозначно получаются разными. Только осторожность убережет вас от неприятностей
После установки докатки колеса однозначно получаются разными. Только осторожность убережет вас от неприятностей

After installing dokatki wheels definitely get different. Only caution will save you from trouble. After installing dokatki wheels definitely get different. Only caution will save you from trouble.

Pipeline exceptions

Different wheels on the front and rear axles are often placed on conveyors that produce rear-wheel drive cars, from the smallest type of smart fortwo to those such as the sported Mercedes-Benz, BMW and some others.

Здесь разные колеса «в законе»
Здесь разные колеса «в законе»

There are different wheels in law. There are different wheels in law.

It is believed that for transmitting high torque from the engine, it is better if the rear wheels are wide. The experience of sports cars was taken over by quite civilian cars. For example, the Mercedes-Benz C-Class of the last generation, even with the simplest engine of 156 hp. could be equipped with 225/45 R17 tires at the front and wide 245/40 R17 at the rear. Well, such a decision has a right to exist, but just do not forget that even the full-size spare wheel on the alloy wheel of the aforementioned "workshop" in the trunk is dimensioned as on the front axle. In which case the incident comes out!

Four-wheel drive - full antipode

All-wheel drive cars always roll out from the conveyor on exactly the same wheels. Features of the all-wheel drive transmission require symmetry of all four wheels.

Запаска может потребоваться и в пустыне, и дай бог, чтобы она оказалась нужной размерности
Запаска может потребоваться и в пустыне, и дай бог, чтобы она оказалась нужной размерности

A reserve may be required in the desert, and God forbid that it be the right dimension. A reserve may be required in the desert, and God forbid that it be the right dimension.

In a scheme with a symmetrical center differential (for example, in the Chevrolet Niva), different-sized wheels will cause it to constantly turn and, accordingly, wear. The "brains" of modern complex and sophisticated crossovers will also not be happy with wheels rotating at different speeds. And cars with a rigidly connected front axle will completely break the transmission with parasitic power circulation, as well as wear tires.

Чем страна богаче, тем меньше вероятность «разных колес». Да и зимы тут редки…
Чем страна богаче, тем меньше вероятность «разных колес». Да и зимы тут редки…

The richer the country, the less likely it is to "different wheels." And winters are rare here … The richer the country, the less the likelihood of “different wheels”. And winters are rare here …

Modern systems against

On a relatively inexpensive crossover Hyundai Creta in a single-drive version, the tire pressure monitoring system reacts very sharply to the movement of the car with frequent slipping. Even with absolutely equal pressure in four identical tires, it periodically starts to sound a false alarm.

На таких дорогах даже с одинаковыми колесами машина постоянно просит проверить давление в шинах
На таких дорогах даже с одинаковыми колесами машина постоянно просит проверить давление в шинах

On such roads, even with the same wheels, the car constantly asks to check the tire pressure. On such roads, even with the same wheels, the car constantly asks to check the tire pressure.

You understand what will happen if you put at least some different wheels on the front and rear axles. The same can be said of other systems comparing wheel speeds. On any modern ESP car, it’s just “crazy” if you put wheels of a different size on the car.

From hopelessness

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If I change wheels, do I need to balance them every season?

Wheels, slightly different in size, can only be put on simple front- and rear-wheel drive cars that have, as a maximum, the ABS system or do not have any such systems at all. Moreover, this can only be done if necessary until the end of the season. For example, two wheels were stolen from you, and you managed to get only the adjacent dimension. But constantly in this mode, no car should be operated.

It also happens that with fatal damage to one of the four tires, it is not possible to purchase the same. Say, due to the removal of this model from production or because stores most often import and sell tires in pairs at best. Here you can be advised to look for the same used tire, or to buy two new tires of the same dimension. The tip is only suitable for single-drive cars. It is best to buy a pair of the same manufacturing company as it was before, and as close as possible to the tread pattern. In this case, a new pair should be placed on the front axle, regardless of the type of drive.

Несложное транспортное средство с не очень мощным двигателем - и колеса допустимы разные
Несложное транспортное средство с не очень мощным двигателем - и колеса допустимы разные

A simple vehicle with a not very powerful engine - and the wheels are permissible different. A simple vehicle with a not very powerful engine - and the wheels are permissible different.

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