Is it normal for a new Tiguan L to feel a slight shake in the steering wheel when you step on the ac

Tiguan L new car step on the accelerator and feel the steering wheel.

Is it normal to have a slight jitter? We sometimes come across situations with the steering wheel of a vehicle, which is usually caused by this. Is this a serious problem with the vehicle? There are two types of steering wheel shake, one is idling.

jitter, which is relatively small. The other is the jitter during driving, especially when the speed is faster, it is prone to jitter. The causes of these two jitters are different.

Let's talk about idle jitter, generally speaking, jitter occurs when idling, the problem is not too big, most of the reason is the guide wheel bolt or ruby.

is caused. When the vehicle shakes during driving, the owner should pay attention that the cause of this situation is basically caused by an imbalance in the dynamic balance. In general, the higher the speed, the more jitter.

Due to the problem of dynamic balance, the tire is unbalanced during rotation and beats. The steering wheel is connected to the tires. The runout force is transmitted to the steering wheel through the drive shaft, which makes the steering wheel shake.

Therefore, the shaking of the steering wheel is a signal of the dynamic balance of the vehicle.

At this point, we need to go to a 4S shop or repair shop as soon as possible to confirm that it is caused by dynamic equilibrium and then repair it. There are many reasons for an anomaly in dynamic balancing, which can be a lead block and can be hit by a hub, or it may not be focused on tire wear. Therefore, we must pay attention to the wear and tear of the tires, when we use the vehicle, measure the tire pressure, swap positions, be careful not to let the tires be hit, and also care about the tires to clean the tires.

In conclusion, it is common to focus only on the maintenance of the tires, which can extend the life of the tires and prevent the occurrence of steering wheel shake.

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The steering wheel shakes when the car is idling, which is very common, and some car owners can feel a strong steering wheel shake when driving the car at high speeds, when the speed reaches 80-100km h or more. In this case, most of the problems occur in the tires of the car, because the uneven distribution of the mass of the whole part of the tire will cause the wheels to rotate at high speed, and there will be a dynamic imbalance state, which will cause the steering wheel of the car to shake seriously while driving. In this case, it is necessary to align and dynamically balance the tires of the car, and in serious cases, the tires must be replaced.

In addition to the tires of the car, there may also be shock absorber failure, frame deformation, excessive meshing clearance of the main and driven gears of the final reducer, etc. If the steering wheel shakes when braking while driving, then it is very likely that the brake force is too strong and too frequent, which may cause the brake disc and brake pads to overheat and deform when cold, causing the steering wheel to shake.

Generally, the symptoms can be solved after replacing the brake discs and brake pads. If the speed of the vehicle is not fast, but the steering wheel shakes, it is possible that the steering belt of the mechanical steering system will slip when the belt is too loose, which will also cause the steering wheel to shake, and there will be shaking and abnormal noise when the steering transmission system is loose and the gap is too large, but this situation is rare.

This is a normal phenomenon, because after the car is ignited, the engine spark plug has to work, and it is normal to shake slightly.

No, most of the inner cage in the half shaft is worn excessively, due to the change of the force point, a certain angle is formed between the gearbox and the half shaft, which leads to the feeling of the vehicle jumping.

Personally, I feel that this should not be a normal phenomenon, and I think I should go to the 4S store to take a look, so as not to cause very big damage.

This phenomenon is not normal, the steering wheel shakes indicates that there is a problem with your steering booster, so the vibration of the tires is transmitted directly to the steering wheel.

Causes of unstable car idling;

Throttle oil and throttle carbon deposits, dirty intakes, blocked intakes can cause idle pulling, throttle carbon deposits or oil are the most common causes of unstable idling.

Spark Plug Failure: Weak sparks caused by individual spark plug failures can also cause carbon deposits, which can be cleaned to restore spark plug activity, but some spark plugs have a fast lifespan and can reduce performance.

Blocked oil circuits: There are also oil circuit blockages and intake pipe failures represented by fuel injectors. When the oil circuit represented by the injector is blocked, the fuel supply pressure is insufficient, the fuel atomization is poor, the mixing ratio is unbalanced, and the combustion is incomplete, which leads to related failures.

Specific solutions to idle jitter:

1. The engine has serious carbon deposits. The most common cause of idle judder is excessive carbon build-up on the throttle or injector. When there is too much carbon deposit inside the engine, the gasoline sprayed by the fuel injector during cold start will be absorbed by the carbon deposit, resulting in a mixture that is too thin and making it difficult to start.

After landing, the gasoline adsorbed on the carbon deposits will be sucked into the cylinder by the engine and burned, which will thicken the mixture. The mixture is sometimes dilute and sometimes thick, which will cause idle jitter after cold start. The lower the temperature, the greater the amount of oil required for cold starts, and the more the presence of carbon deposits affects cold starts.

The solution is to clean the carbon deposits at the throttle and injector.

2. Poor ignition system and poor ignition of spark plugs will also lead to engine idling and shaking. If there is a problem, check if the ignition system is faulty and if there is too much carbon deposited in the spark plug.

3. The oil pressure is unstable. If you have cleaned the engine carbon deposits, cleaned the throttle valve or replaced the spark plug, and there is still the problem of body shaking when idling, it is recommended to go to the 4S shop to check whether the fuel supply pressure and intake pressure sensor are normal. If the oil pump supply pressure is not normal or the intake pressure sensor is incorrect, it can also cause the body to shake when idling.

Solution; The best way is to clean the oil circuit, clean it regularly, there is no specific experience in the research and development parameters of the clean engine from the new car, coupled with the continuous improvement of emission standards, can not adapt to the change of fuel, all manufacturers of the engine are unable to solve this jitter problem in the short term, plus the fuel quality is not very good or the initial fuel of the new car factory is stored for too long, resulting in a rapid increase in the colloidal composition of the oil circuit, which will continue to pollute the fresh fuel and cause no good fuel to participate in combustion in the later stage. The occurrence of excessive carbon deposits is especially common for China VI vehicles. We can only gradually alleviate most of the problems by maintaining clean oil circuits. The use of PNF dope fuel additives can solve the problems caused by carbon deposition.

If the steering wheel vibrates, she has to check it by following the steps.

If the steering wheel is vibrating at high speed, you can do a dynamic balance for the tires to see if the data is normal, if the data is not normal, the data with normal adjustment values provides faults and can be eliminated.

If there is low-speed jitter, do you need to rule out whether it is related to the ground? If the road surface is uneven, the steering wheel will also wobble.

Reasons for starting the engine and idling in place: (1) Check whether the idle speed of the engine is reasonable and stable, (2) Whether the individual cylinders of the engine are out of flame, etc. Failure of steering wheel shaking and how to deal with it:

1) Fault 1: When the car is traveling at a speed of 80 kilometers per hour to 90 kilometers, the steering wheel shakes the phenomenon

1. The steering wheel shakes when idling is largely caused by the engine running unsmoothly and stably, and the idle shake caused by resonance is not very likely, because the starting speed is low when idling, and the resonance caused by low speed is unlikely, so the steering wheel shakes when idling, and it is recommended to go to the 4S shop for inspection and maintenance.

Second, when the engine is idling, due to the small amount of air intake, and the air cleaner is too dense to cause difficulty in suction, resulting in unstable engine speed, which causes the steering wheel to shake, such as removing the shake of the cleaner and disappearing, and replacing the air cleaner with a density that is not so large jitter can also be improved, but the excessive effect on dust will be reduced. Therefore, if you want to solve the jitter, you need to modify the engine intake system to completely solve it.

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The main reason for the failure is the increase in carbon deposits in the throttle, intake duct, valve and other parts, which adsorbs some gasoline when the car is cool, and when the car is hot, these gasoline volatilize, and the mixture will be too thick when the engine is idling, resulting in unstable idle of the hot car.

Therefore, you should not only check the throttle valve and idle motor, etc., but also check whether there is too much carbon and dirt in the intake tract, if there is too much, it will cause the cross-sectional area of the air channel to change, so that the control unit can not accurately control the amount of idle air intake, resulting in too thick or too thin mixture, so that the combustion is abnormal and causes the engine to shake. At the same time, it is also necessary to check whether the canister is faulty.

The reason for the shaking of the steering wheel may be the inaccuracy of the four-wheel alignment data, or the dynamic balance of the wheels is not good.

The weight of the rim and tire is not the same in the production process, so after being installed on the car, if the dynamic balance is not done, the wheel will be abnormal when the car is driving at high speed.

If the steering wheel shakes abnormally when the car is driving, it is recommended that riders do a dynamic balancing.

The four wheels of the car have positioning data, and the wheels are not simply perpendicular to the ground. The front wheels have toe-in and inclination, and the rear wheels also have loft. When the four-wheel alignment data is inaccurate, the steering wheel of the car may also shake abnormally during driving.

If it is in the case of idling, the steering wheel occasionally shakes, that is, the engine itself has idle jitter, you need to check the engine, see if the engine combustion chamber is not a normal spark plug, the ignition coil needs to be checked, see if there is a problem, and this air intake sensor to see if there is a problem. If it is said that there is a jitter in the process of driving, this phenomenon is that it is necessary to check the ball head of the steering machine and the steering machine to see if it is loose, as well as the steering column cross shaft under the steering wheel to see if it is loose, these aspects need to be specifically checked.

Look at how to shake, the general horizontal (left and right) shake should be a problem of dynamic balance or tires, adjust the tires, replace them if necessary, do the dynamic balance from the new, do it well, if you deviate from the 4-wheel alignment.

In addition, the engine and transmission claw pads (also called brackets) should also be checked for aging and breakage.

There are several reasons for this phenomenon.

1. Toe-in: When the car is driving, the steering tie rod and the steering tie rod are deformed due to collision, and the ball joints are worn loosely or the tires are worn irregularly, so that the toe is increased or reduced.

2. Poor wheel dynamic balance: the loss and deformation of the original wheel dynamic balance lead block causes the car to swing and the steering wheel shakes when driving at high speed.

3. The ball joint of the transverse thrust rod is loose or the bracket is loose, resulting in unstable driving.

Fourth, the wheel bearing is loose and the ball joint of the left and right steering joints is seriously worn, so that the front wheel positioning is inaccurate.

5. When the car is driving, the stability is also affected due to damage to the steering shock absorber, oil leakage, or deformation of the front hanging spring.

In the repair process, we carefully inspect the steering connection parts of the vehicle such as the opening of the steering wheel, toe-in, front wheel alignment, wheel dynamic balance, suspension spring and steering shock absorber according to different situations, adjust, repair and replace parts to restore the original stability and ensure driving safety.

Analysis of the causes of car shake:

1. Cold start jitter.

First of all, starting from the cold start, the main reason for the cold start body shaking is that the fuel combustion is insufficient, resulting in insufficient power of the car. The ignition energy is low, and when starting, especially when the temperature of the fuel and lubricating oil is low, more oil is required to meet the power. Over time, the pole gap of the spark plug gradually increases, resulting in a decrease in ignition energy and poor fuel atomization, which leads to the shaking of the body.

In addition, the ignition energy can also be reduced due to the aging of the ignition coil, the aging of the high-voltage wire of the spark plug, or the leakage of electricity.

2. Suspension system problems.

Body shake is also related to the aging of the suspension system. It is mainly responsible for filtering out the shake of the engine when it is running, and if there is a problem with the suspension, these vibrations will be transmitted directly to the steering wheel and cab, affecting the driving. When the engine is idling, it is easy to cause shaking when the electrical system in the car is turned on.

The engine will increase the load when the electrical appliances are turned on, causing the idle speed to drop, and to compensate for the jitter caused by the idle slip, the engine will automatically increase the speed by partially. So, when the electrical system, especially the air conditioner, is turned on, the engine will often shake. This jitter is likely to be caused by the aging of the shock absorber and needs to be replaced in time.

3. Tire problems.

For tires, the tire must be balanced once when the car is replaced with new tires and new steel rims, otherwise the steering wheel will be prone to shake when the counterweight is uneven. If you find that the tire weight is not equal, you need to add lead to the inside of the rim to average the weight of the tires on both sides. Whether it is a general steel ring or a lightweight aluminum ring, it may deform or crack when subjected to a certain external force.

Deformation of the rim can cause shaking when driving, uneven weight of the rim can also cause shaking when driving, and incorrect angle of the rim can also cause shaking when driving.

4. Throttle problems.

The most common cause of car shake may be a dirty throttle valve and excessive carbon build-up in the fuel injector. After the car travels for a period of kilometers, the throttle valve will be too dirty to cause the throttle to close loosely or the idle motor to stagnate, resulting in the engine idling speed is too high, and the carbon deposits generated by the engine in this process will also cause the vehicle to shake, especially when starting the vehicle, the engine will shake more than normal, and even sometimes there will be a phenomenon that can not be started at one time. Therefore, when the body shakes, the first thing to do is to check the throttle and fuel injectors.

If you find that the throttle valve is too dirty or the fuel injector has too much carbon deposit, you should clean it with fuel injector cleaner or throttle cleaner in time.

5. The oil pressure is unstable.

If you still find that the body shakes after these are finished, it is recommended that you go to the repair shop to check whether the fuel supply pressure and intake pressure sensor are normal, if the oil pump supply pressure is not normal, the intake pressure sensor is wrong and improper work will cause the body to shake.