Why does the car make a strange noise when turning in place and crossing uneven roads?

Car friends often ask Xiaobian , Why does your car make a strange noise when turning the direction . In fact, it is difficult to judge the problem simply by a few words , Because there are many reasons for this problem . The steering wheel makes an abnormal noise when driving , First of all, make sure where the sound comes from . What's the sound inside the car , Or the sound from outside the car . Different sources of sound will cause different problems .

If you turn the steering wheel after turning the steering switch, you will hear this sound , That is the sound made by the rebound clip of the automatic return mechanism of the turn signal lamp , This sound is normal . When you turn the steering wheel, you will make a lump sound , Turn the steering wheel once, and there will be three pimples , Because there are three grids in one circle of the steering column, which automatically return to the position and clamp , That's why this sound . As long as you turn off the turn signal, the sound will disappear .

No matter where you are or driving, as long as you turn the steering wheel, you will hear the sound coming from under the steering wheel , Check the steering column dust boot , Once the steering column dust boot is lack of lubrication, it will produce dry friction sound , As long as you put some butter in the dust boot, the sound will disappear .

In the direction , The sound comes from inside the steering wheel , This problem is mostly caused by the interference of airbag hairspring in the steering wheel , Remove the steering wheel airbag hairspring and apply some butter to see if it still makes a sound , If it still rings, replace the airbag hairspring , Because the air bag hairspring is damaged .

The sound heard when turning the steering wheel is from outside the car , This may be caused by the lack of oil in the plane bearing of the shock absorber , You just open the hood and listen if the sound comes from the top seat of the shock absorber , In this way, we can know whether it is the sound made by the flat bearing of the shock absorber , The flat bearing of the shock absorber makes a noise , You can put some butter on the plain bearing , If it still rings after painting , It can only be replaced .

The sound is not from the flat bearing of the shock absorber , Check whether the stabilizer bar rubber is loose or damaged , The stabilizer bar glue is loose 、 Damage will not only sound when turning the direction , It also makes a noise when crossing uneven roads , The loosening of the stabilizer bar glue can be solved by adding shims , If it is damaged, it can only be replaced .

summary ： For the problem of abnormal noise , Only find out the source of the sound , Identify the location of the sound , Can there be a solution .