What is the reason for the buzzing sound in the car when the car is running? What should I do if the car is noisy when it is running?

Nowadays, many people have cars. It is normal for cars to make noises when driving, such as the wind, the friction of the road, and the sound of the car's internal workings. Generally, cars have shock absorption and sound insulation to avoid excessive noise.

What is the reason for the buzzing sound in the car when driving?

Maybe the wheel hub bearing is making noise. Lift the vehicle and spin the tire to listen. If yes, replace the damaged bearing.

Wheel hub bearings are components used for bearings and wheel hub rotation at the axle of automobiles. They can withstand axial loads and radial loads and are an important component of the load and rotation of automobiles.

If the neutral gear slides and the sound disappears, usually the bearing in the engine is faulty. Among the engine bearings that burn out are the pump, generator and tensioner.

Check the front wheel brake pump. If the front wheel brake pump does not return to its original position, the car will make a buzzing sound when driving.

It is recommended to check the travel system, such as tires, bearings and other parts that are in close contact with the drive.

What to do if the car is noisy when driving

There is a buzzing sound when the vehicle is driving. The most common ones are abnormal noise from the wheel hub bearing and tire noise. These two kinds of buzzing noise are sometimes difficult to distinguish from the sound, and many times they need to be confirmed after comparison with other tests.

First of all, the humming noise caused by the hub bearing failure can generally be checked by raising the vehicle on the lift and the tire off the ground, then listening directly to the side of the tire at normal acceleration or using a professional stethoscope to listen to see if there is any obvious abnormal noise from the bearing, or if there is a pinning feeling when turning the tire, or removing the bearing and turning it to see if there is a pinning feeling. If any of the above conditions are found, it can be determined that the bearing is bad, and the bad bearing noise is related to the vehicle speed, and has nothing to do with the roughness of the road surface.

The second is tire noise. The troubleshooting method is to check the tire surface condition. Tire aging or uneven tire wear, uneven surface will cause driving noise, but generally the tire noise caused by different roughness of the road will be different, and the same speed will be different when passing through cement road or asphalt road. And most of them appear at low speed.

You can first change the normal tires of the same car and test drive the car. If the buzzing sound disappears, the tire is defective. In addition to replacing the tire, you may also need to check the suspension or do a four-wheel alignment.

Loud noise is just a subjective feeling, and everyone feels it differently. Generally, it takes an experienced master to determine the general direction of the noise through a test drive, and then through detailed inspection or comparison to confirm it.

Several common noises in cars

First, engine noise. This situation mostly occurs when the car is old or improperly maintained, or when there is a problem with the engine compartment. Generally, there is no problem and it can be solved by repair, unless it is a congenital defect of the engine.

Second, the noise inside the car. Sometimes the sundries in the car can also make noise, such as coins and children's toys. This is simple, just clean up the car, especially the gaps in the car, and check them carefully.

Third, the noise caused by stones on the road. In most cases, the stones can be heard, but in very rare cases, the stones will enter the front compartment and cause a buzzing sound, which is rare.

Fourth, the sound of the frame. This means that there is a problem with the body structure. This is a serious problem and it is difficult to repair or even check. If it is not serious, it is generally okay. If you really can't stand it, go to the 4S shop.

There are also issues with vehicle mechanical running-in, the sound of car doors and windows, and engine cleaning issues. Don't panic if there is noise, judge for yourself, many noises are actually only temporary.