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Analysis of the causes of abnormal noise when the car is steering, and suggested solutions: 1. The friction steering wheel between plastic parts is composed of various plastic parts, and if the gap is too small when turning, there will always be abnormal noise, especially for new cars, and it is good to run in for a period of time. If there is still an abnormal sound after the run-in, you can try to reinstall the steering wheel.
2. The friction between the steering column and the foot pad Sometimes the foot pad installed after the rear is too large, and it is in direct contact with the steering column, so the steering column will produce friction when it rotates. 3. Friends who have removed the steering wheel should pay more attention to the failure of the airbag hairspring in the steering wheel, which may be that the airbag hairspring is broken or the airbag hairspring plug is not plugged in properly, and the airbag hairspring or fixed plug can be replaced. 4. The steering tie rod ball joint is aging, and there is a space to replace the steering tie rod ball joint, but remember to do four-wheel alignment after replacement.
5. If the dust jacket of the steering machine leaks oil, replace the dust jacket or re-butter it. Buttering is only a stopgap measure, though. 6. If the steering machine is faulty, there is a "cluck" sound when hitting the direction, it may be that the gear gap between the steering machine and the gear is too large, and the steering machine can be replaced.
7. When the plane bearing is faulty and the top rubber is in the direction, there is a "special special" sound, which is likely to be the failure of the shock absorber top rubber or plane bearing, and it can be replaced. 8. Improper tightness or aging of the booster beltFor mechanical hydraulic assistance, if the tightness of the belt is improper or aging, there will be abnormal noise, and the belt can be adjusted or replaced. 9. If the steering oil is too dirty, it will increase the pressure of the power assist system, and the power pump will have a "buzzing" sound, and the power assist oil can be replaced.
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It's the turning part that's wrong.
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Summary. Hello, the solution to the buzzing noise at a speed of more than 80 is: 1. You need to do a dynamic balance test on the car to see if it is affected by uneven tire wear, or whether the wheel hub is normal, and you also need to test the engine oil of the car; 2. Detect the running bearing of the car tire, if the bearing is damaged, there will be buzzing noise in the case of high-speed rotation of the car, and the bearing of the car tire needs to be replaced; 3. Detect the shock absorbing spring to see if the noise is emitted by the shock absorbing spring, or detect whether there is a foreign object in the soft connection of the exhaust pipe of the car, if there is a foreign body, it needs to be removed immediately.
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Hello, the solution to the buzzing noise at a speed of more than 80 is: 1. You need to do a dynamic balance test on the car to see if the tire is worn unevenly and ringing, or whether the wheel hub is normal, and you also need to detect the engine oil of the car; 2. Detect the running bearing of the car tire, if the bearing is damaged, there will be buzzing noise in the case of high-speed rotation of the car, and the bearing of the car tire needs to be replaced; 3. Check the shock absorbing spring to see if the noise is emitted by the shock absorbing spring, or detect whether there is a foreign object in the soft connection of the exhaust pipe of the car, if there is a foreign body, it needs to be removed immediately.
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1. The engine has abnormal noise.
Symptom description: There is a lot of abnormal noise in the engine compartment, and most people also judge it to be the abnormal noise of the engine compartment by the sound**, which is usually a metal screeching sound or a howling sound.
Solution: The abnormal engine noise indicates that the technical status of a certain mechanism of the engine has changed. It is mainly caused by excessive wear and tear of some parts or improper assembly and adjustment.
Some abnormal noises can still predict that the engine will be damaged accidentally, so when the engine has abnormal noise, it should be repaired in time to prevent the fault from expanding.
It should be reminded that if it is an abnormal noise in the engine, most of the owners will not be able to solve it by themselves, and it is best to send it to the factory for maintenance.
2. There is abnormal noise in the gearbox.
Symptom description: If there is a "rustle" sound inside the gearbox while the car is driving, and there is no more after pressing the clutch or accelerator, there will be a whistle-like sound when changing gears.
Solution: There are many transmission parts, and the reasons for the sound are more complex, so we should pay attention to whether it is related to a specific speed, such as some planetary teeth that sound at about 50km h.
Whether it is related to certain gears, which is very important for judging the failure of the transmission, if a certain gear sounds, it must be related to the components that affect the transmission of the gear; If all gears sound, it is often a common meshing shaft failure or a lack of oil in the transmission. Whether it is related to specific actions, such as increasing and decreasing gears, starting, rapid acceleration, sharp deceleration, turning, etc., are effective means to judge abnormal noise, among them, changing speed and direction are particularly important for judging the rear axle fault.
If the abnormal noise of the transmission is obvious, it is recommended to send it to a professional repair shop to check the faulty parts, and then replace them.
3. There is abnormal sound of wear.
Symptom description: When driving on the accelerator or brake, there is always some abnormal noise in a certain part of the body, the sound is not loud, and it does not affect normal driving, but it always makes people worry a little about the failure of the body.
Solution: The abnormal noise of the door is mainly caused by the lack of lubrication, but it is necessary to judge whether it is the position of the door hinge or the glass regulator, door lock mechanism, handle mechanism, etc. inside the door. In the case of door hinges or limiters, special door hinges and slide grease can be used, while special door attachment grease is used for lubrication of glass regulators, door locking mechanisms, handle mechanisms, etc. inside the door. In terms of brand selection, try to choose the commonly used brands in 4S stores, such as German Marty, Kluber, Tiger Head Hotolube, Fox, etc.
It is not advisable to use engine oil or ordinary butter, it will freeze in winter, and the harmful smell will affect your health.
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I don't know what the arch means, if it is said that it is trembling at high speed, it is generally a problem of dynamic balance, first look at whether the aluminum profile of the tire is stained with a lot of mud, if there is a single place, it will also cause the tire to be unbalanced at high speed. If not, just go to a four-wheel dynamic balance, if not, you can only drive to the repair shop to check.
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