I believe that many car owners often heard that the four -wheeled positioning，Many friends have after changing the tires，It is often flickered by unscrupulous roadside shops to make four -wheel positioning，As a result, I spent the injustice，It also damages the original coefficient of the vehicle's components，It will not be smooth when you open it。

So，What is the four -wheel positioning? When should I do the four -wheel positioning? What is the difference between the four -wheel positioning and dynamic balance?

In simple terms，Four -wheel positioning is to adjust the position of each component of the car chassis，Return it to the factory settings。

Due to the four rounds of the vehicle、Steering mechanism、The installation between the front and rear car shafts should have a certain relative position，This relative position is the standard value set by the manufacturer，If the deviation occurs，A variety of fault problems will occur in the car。

Adjust the installation of this location，is the four -wheel positioning，It can ensure the directness of the vehicle、Driving stability and steering automatic backbacking, etc.，Reduce tire wear and extend the service life。

If you ask how long do you need to do the four -wheel positioning，In fact, there is no fixed cycle。

Different positioning and maintenance，Is a means of repair。Without a problem，I don’t need to do four -wheel positioning，Only when a vehicle is wrong, you need to do a four -wheel positioning。

relative to，Those often on the road (especially on the front wheels) or often quickly pass the deceleration belt，and traffic accidents such as traffic accidents are more likely to cause deviations in the wheel positioning，Then show the following questions，You need to pay attention:

We all know that the steering wheel has the function of automatic return，In fact, this is due to the accurate four -wheel positioning。If you find that the car will involuntarily run to the left or right，It is necessary to keep positive in the steering wheel before it can be maintained，At this time, you need to do the four -wheeled positioning。

We will not check the tires carefully when driving，But we recommend to carefully check the tire condition every 20,000 kilometers or one year，See if there is partial grinding phenomenon，If we often say that we often say that we eat tire phenomena，You need to do four -wheel positioning。

After the car is hit，If you hurt the suspension，You also need to re -adjust the four -wheel parameters。Another，Drifting of the steering wheel during driving、Shaking or overweight may also be caused by the four -wheel positioning parameters。

Emphasize again: If the above situation does not occur，No need to do four -wheel positioning，If the coefficient adjustment of each component is adjusted in unnecessary circumstances，It is possible to change the original coefficient of the components of the vehicle，Instead, the four -wheel positioning of the vehicle is inaccurate。

Different positioning with the four -wheel position，Dynamic balance is just adjusting the unevenness of the wheels itself。

Due to manufacturing,，The quality distribution of each part of the wheels (tires and wheels) cannot be very uniform。When the wheels are rotated at high speed，It will form a state of imbalances，Causes the vehicle to shake in the wheels、The phenomenon of vibration of the steering wheel。To avoid or eliminate this phenomenon，It is necessary to enable the wheels to increase the weight by increasing the weight under dynamic conditions，Make the wheel correction of the balance of the marginal parts，This correct process is dynamic balance。

Dynamic balance can ensure that the tire can drive smoothly，Prevent jitter，Make the car drive more smooth and safe at high speed。

Under normal circumstances，Just replace or repair the tire system (tire or wheel)，All need to be balanced，And some individual vehicles，Because the use time is too long，It will also cause "dynamic balance block" falling off，It will cause the tire's weight balance and imbalance，At this time, you also need to do a balanced balancing。

Dynamic balance is just adjusting the weight balance of the tire，Generally, as long as "move" after the tire，All need to be done。

and the four -wheel positioning is to adjust the angle coefficient between the vehicle chassis system，Is a maintenance method，So don’t do it easily。Compared with moving balance，The construction process of the four -wheel positioning is much more complicated，The fee is relatively high。

Last，Whether it is dynamic balance or four -wheel positioning，It is recommended to find a professional 4S shop to do，Avoid the more and more chaotic parameters caused by unprofessional maintenance masters，It may also damage the car。Another，Also pay attention seabet ioto your usual car habits，Bad driving habits are likely to make you a four -wheel positioning "frequent visitor"。

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