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I found that there is an interesting phenomenon in the car rim, that is, many old drivers have some misunderstandings when driving, which indirectly leads to the understanding of some novice drivers for vehicle failures has also deviated, the biggest misunderstanding is the four-wheel alignment and dynamic balance, many novice drivers generally think that as long as the vehicle chassis is uncomfortable, the first thing that comes to mind is to do four-wheel alignment, in fact, this is a very big misunderstanding, this topic we will focus on four-wheel alignment and dynamic balance, to talk about the functions and roles of the two in detail.
High-speed jitter dynamic balance, the vehicle deviates and eats tires to do four-wheel alignment.
First of all, we must emphasize to you that four-wheel alignment and dynamic balance is not omnipotent, we must clearly know the cause of our vehicle failure before doing four-wheel alignment and dynamic balancing, and we must do the right medicine, otherwise it will be in vain.
1. Dynamic balance, the main function of dynamic balance is to balance both sides of the tire, so that when the tire is driving at high speed, the tire will not cause the entire body to swing because of the violent swing, under normal circumstances, as long as the tire of our vehicle is disassembled, the dynamic balance must be done, because the tire is not a uniform circle in the production process, if the vehicle travels to 80km h, the vehicle shakes violently, then it can basically be concluded that the dynamic balance data is too large.
2, four-wheel alignment, four-wheel alignment is more professional, four-wheel alignment involves the adjustment of the entire vehicle chassis, generally speaking, long-term driving in poor road conditions of the vehicle, the chassis will inevitably loosen the situation, at this time the chassis data error in all aspects will become larger, and these changes in the data directly reflect the situation is the vehicle deviation and tires eat tires, as long as the vehicle appears in such a situation, it must be immediately done four-wheel alignment.
There is a big difference between a vehicle mistracking and a tire eating a tire!
1. Vehicle deviation, in fact, vehicle deviation is divided into two situations, one is the steering wheel is crooked, and the other is the vehicle is crooked, everyone must learn to distinguish.
A crooked steering wheel is when the steering wheel of a vehicle deviates slightly at an angle, but the vehicle can stay in a straight line at that angle.
Crooked vehicle refers to the situation in which the steering wheel position is kept in the center, and the vehicle involuntarily looks at the left and right sides.
Under normal circumstances, the deviation only needs to adjust the ball head of the external tie rod on the steering machine, and the effect is very good with the data on the four-wheel positioning computer.
At this time, the first thing we need to adjust is the camber angle of the vehicle, generally starting from the rear suspension of the vehicle chassis, adjusting the inclination angle of the rear suspension after adjusting the rear suspension, and then adjusting the inclination angle of the front wheel and the toe, if the data error is relatively large, you may also need to use eccentric screws to adjust.
To sum up, when drivers find that there is a problem with the vehicle chassis, they must communicate clearly with the auto repair shop, first determine whether there is a problem with the vehicle chassis, and then they can do four-wheel alignment calibration, otherwise it is useless and cannot solve the problem in the real sense.
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There is no need to do wheel alignment after changing the tires. Only when the car deviates, the axle and suspension parts are disassembled, or the chassis and suspension are damaged due to accidents, etc., the car needs to do four-wheel alignment, and the tires need to be dynamically balanced.
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Tire change does not need to do four-wheel alignment, need to do a power balance, general deviation, damage to the chassis and suspension caused by accidents, abnormal tire wear and tear on the axle, and suspension parts are removed before four-wheel alignment is required.
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This is needed, I remember that my family's car has to be sent to others to get four-wheel alignment after the tires have been replaced, and the purpose is also for safety.
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I think this should still be done, although even if you don't do it, it will generally not have any effect, but it is better to do one, after all, the safety problem cannot be sloppy.
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After changing four tires, you need to do four-wheel alignment, and if the tire four-wheel alignment data is not within a reasonable range, it will cause irregular wear of the tires, vehicle shaking or mistracking. The situations that need to do four-wheel alignment are: 1. After replacing new tires or repairing in the event of a collision accident; 2. One-sided eccentric wear of front and rear tires; 3. The steering wheel is too heavy or floating and shaking when driving; 4. When going straight, the car deviates to the left or right.
The front wheel alignment includes four contents: kingpin camber, kingpin camber, front wheel camber and front wheel toe; Rear wheel alignment includes wheel camber and toe-in by rear wheel, so that the front wheel alignment and rear wheel alignment are collectively called wheel alignment, which is often referred to as four-wheel alignment.
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Hello, what you need to do after replacing the tires.
First, replace the new tires, and the tire dynamic balance in the future, this must be done, otherwise, the vehicle may have steering wheel resonance or shake at high speed when driving!
Second, four-wheel alignment, this generally does not need to be carried out, if the vehicle usually runs normally, and there is no deviation, there is no need to do four-wheel alignment.
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Hello, if the tire is replaced because of the abnormal wear of the tire is very serious, then after changing the tire to do the wheel alignment, because the abnormal wear of the tire has affected the chassis data, you need to do the wheel alignment to correct the data. If it is due to the normal wear of the tire to the tread has been gone or because of the tire damage and the replacement of the tire, then there is no need to do four-wheel alignment, this situation only involves the tire and the hub, not the chassis data. I hope it will help you, hope to adopt!
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Replacing tires does not need to carry out four-wheel alignment, replacing tires is required to do dynamic balance, if there is no dynamic balance, there will be dynamic imbalance, steering wheel shaking.
Four-wheel alignment is the phenomenon of vehicle deviation, and when the tires are eccentric, it is necessary to do four-wheel alignment.
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In general, you only need to do dynamic balancing.
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No, you don't. You don't have to do a four-wheel alignment after changing tires. Changing the rim and tires will only affect the overall dynamic balance of the wheel, and will not have any impact on the suspension.
Normal tire replacement does not need to do positioning, only do dynamic balancing. However, if the vehicle is often on the road, often quickly over the speed bump, the vehicle deviates, the steering accuracy deteriorates, the steering wheel is not correct, the tire gnawing is serious, and the dynamic balance is normal, it is possible that the positioning angle of the car is not accurate, and it is necessary to consider doing four-wheel alignment.
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It is not necessary to do four-wheel alignment when changing tires, but after changing tires, the wheel dynamic balance must be carried out. There are the following 4 points that need to be done for four-wheel alignment: 1. Driving deviation and closing the missing direction do not automatically return to the wheel; 2. Damage to the chassis and suspension caused by accidents; 3. Abnormal tire wear, but it is also necessary to consider whether it is due to abnormal tire pressure that causes abnormal wear
In general, too high tire pressure will aggravate the wear of the tread**, and too low tire pressure will aggravate the wear on both sides of the tread. 4. The parts of the suspension have been dismantled or replaced, for example; Swing arm, vibration damping.
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Do not do wheel alignment after changing the tires. In the case of dismantling 4 tires at the same time, it is necessary to determine whether the old tires have eccentric wear, tire eating, etc., before replacing the tires, if there are conditions, it is necessary to adjust the four-wheel alignment again, and secondly, it is necessary to determine whether the vehicle has deviation before replacing the tires, and if there is, it is also necessary to do four-wheel alignment again. If neither of these conditions happens, there is no need to adjust the wheel alignment after changing the tires.
The 4 new tires that are replaced under the condition of abnormal wear and tear of the old tires are more serious, which will affect the data of the four-wheel alignment, and it is natural to do the four-wheel alignment. The data of the key adjustment of four-wheel alignment include kingpin casting, kingpin casting, wheel camber, and toe.
The key to adjusting the backward tilt of the kingpin is to maintain the stability of the straight line and turn back to the right; The adjustment of the caster of the kingpin is also to maintain stability and turn back to the right. Adjusting the wheel camber increases the contact surface of the tire to offset the adverse effects. Adjusting the toe is to counteract the adverse effects of wheel camber or camber.
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<> "Car tires will age after a long period of use, and the tires need to be replaced if necessary. So do you need to do four-wheel alignment after changing the tires?
The car does not need to do four-wheel alignment to replace new tires, and only needs to do dynamic balancing. Read this.
If the owner changes the tire and does not do the dynamic balance, the new tire of the car may appear due to the uneven quality at this time, so that the vehicle is not shaken abnormally, and the new tire that does not do the dynamic balance is also prone to uneven wear and tear during use; Therefore, in order to ensure the driving safety after changing tires, it is very necessary to do dynamic balancing treatment for new tires.
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After changing the tires, you need to do four-wheel alignment. This doesn't hurt the tires and suspension, the point is to ensure safety.
Four-wheel alignment is based on the vehicle's four-wheel parameters, which are adjusted to ensure good driving performance and certain reliability.
There are three main functions of wheel alignment:
First, the steering wheel automatically resets after steering to improve driving comfort.
The second is to keep the steering wheel upright, maintain the vehicle in a straight line, and increase the safety of the vehicle.
The third is to reduce gasoline consumption, reduce the loss of suspension accessories, and avoid rapid abnormal wear of tires.
The situation in which wheel alignment should be done is as follows:
1. After replacing new tires or repairing in the event of a collision accident.
2. One-sided eccentric wear of front and rear tires;
3. The steering wheel is too heavy or floating and shaking when driving;
4. When going straight, the car deviates to the left or right.
5. Daily maintenance of the vehicle: after driving for 3 months, the new car will be aligned every six months or 10,000 kilometers.
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When the tire is because of all the normal damage to do the ridge to the damage mark or because of the tire damage and other circumstances and change the tire, after dismantling the tire is not necessary to do the four-wheel alignment, because all the normal dismantling of the tire and the rim and has the endangerment to the automobile chassis data, therefore do not need to do the four-wheel alignment; If the tire is replaced due to abnormal damage to the tire, this kind of situation endangers the chassis data of the car, and it is necessary to do four-wheel alignment.
Four-wheel alignment is best to go to the car 4S shop to do better, because the main thing to do four-wheel alignment is that the main parameters of the vehicle must be accurate, and the car 4S shop has the original standard specification variable value, more technical professional, more accurate data. However, the cost of car 4S shops is relatively high, generally around 300 yuan, or even higher. Naturally, in some reliable brand service stores or maintenance shops can also do four-wheel alignment, generally this kind of store will be relatively low, around 100 yuan.
The main parameters of the suspension include camber, rear inclination angle, toe angle, kingpin caster angle and inclination angle, which not only hone the professional technical strength of the actual operation staff, but also has a greater relationship with the instrument and equipment. First of all, the accurate data measured by the instruments and equipment is the basic, and then, the professional and technical strength of the actual operation staff is the top priority.
If there is a problem with the control technician or the instrument, it is very likely to change the initial number of components of the vehicle, and then cause the four-wheel alignment of the vehicle to be inaccurate, and the four-wheel alignment adjusted according to this method will directly affect the conventional driving of the vehicle. Therefore, it is important to choose a reliable, professional detector, and professional and skilled maintenance personnel. Generally, the car 4S shop can have that standard, so it is better to propose the four-wheel alignment to the car 4S shop.
And to understand, in the vehicle without any situation in the case of don't do the four-wheel alignment, because the four-wheel alignment is a new maintenance project, only if there is a problem, it must be done, if there is no problem to do the four-wheel alignment, it is likely to directly affect the accuracy of the four-wheel alignment data.
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After changing the tires, a dynamic balance check is required, but there is no need for wheel alignment. Wheel alignment is generally an operation for vehicle suspension issues, while tire replacement has nothing to do with vehicle suspension, so wheel alignment is not required. Wheel alignment is only required if the tires are replaced after a collision, the front and rear tires are worn out on one side, or the chassis suspension of the car is damaged.
In addition, tire replacement and rim replacement operations require dynamic balancing. If dynamic balancing is not carried out, the quality of each part will be uneven after replacing the tire, and it will shake significantly at high speed, which will affect driving safety. After replacing the rough spare forest tires, the following inspections are required:
1. Tire balance check. After replacing the tire, the tire weight is not completely uniform, and the balance test must be carried out with the tire hub moving to ensure that the tire runs smoothly and avoids shaking. 2. Replace the valve with a new one.
Tire valves are also made of rubber, which will deteriorate over time, so it is best to replace the valve when replacing the tire. 3. Check the tire pressure. After replacing the tire, the tire pressure also needs to be tested by the rock mu rolling car, and the air pressure that is too high or too low can easily lead to a puncture, which affects driving safety.
If you just replace a tire, you don't need to do four-wheel alignment, but if the tire is damaged due to the impact of external forces, then it is best to check whether the suspension of the wheel is deformed, and it is better to do four-wheel alignment. If it's just because of wear and tear, or because of puncture, then you don't need to do four-wheel alignment, but you need to do dynamic balancing.
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