What causes abnormal noise in car generator belt?

Introduction What is the reason for abnormal noise in car generator belt? In most cases, the belt is loose. In this case, it is best to go to the repair shop to adjust the belt tension, as the belt will slip and produce knocks. edges.

What causes abnormal noise in car generator belt?

Most of the time, when the belt makes an abnormal noise, it is because it is loose. In this case, it is best to go to the repair shop to adjust the belt tension, because the belt will cause squealing if it is loose. the belt slips. Once the belt slips, the belt will be damaged due to friction and high temperature. If it is stretched further, the slippage will become more serious and enter a vicious circle. Therefore, quick adjustment of belt tension is essential.

Regarding the problem of abnormal noises, it is difficult for ordinary car owners to distinguish which abnormal noises are faulty and which are reasonable. If you go to a repair shop to check for an abnormal noise, only about 20% of cars actually have a problem. Models with turbocharged engines are different; the modeles equipped with motor guards may also produce noise due to friction; Some car owners may have misunderstood reasonable abnormal noises after contact with different vehicles due to their lack of mechanical knowledge. It was a vehicle breakdown. So learn to identify abnormal car noises to avoid wasting time and energy.

Car noise identification method:

In actual work, due to the limitations of working conditions, it is difficult to use special instruments to measure noise cars. We can only measure the noise of cars. noise in daily life. Use judgment when describing and comparing car noises. For example, the "squealing" noise caused by dry friction of the bearing, the "clicking" noise produced by excessive valve clearance, which is similar to the "clicking" noise produced by excessive valve clearance, which is similar to the "clicking" noise produced by excessive valve clearance, which is similar to the "click” of a small hammer hitting the cement floor, etc.

1. Correctly distinguish between normal and abnormal sounds.

When the car is running, the vibrations of various mechanisms will make sounds of different kinds, but the sound does not mean that the car is defective. In order to avoid unnecessary disassembly, you must first distinguish what is normal. abnormal sounds and sounds. Normal vibrations of various system components (such as noise on the engine surface), gear impact noises when changing gears, intake and exhaust noises using gas as a work source, gear meshing noises, etc. are all normal sounds. Abnormal noises (abnormal noises) can be divided into light noises, normal noises and malignant noises according to their impact on car performance. Slight noises, such as the flashing sound of a high voltage electrical leak, theslight rolling noise of bearings, etc., are generally small in volume, the degree of wear of the parts is not large, and there is no significant change for a long time. Such defects can still keep the car without repair normal driving.

3. When diagnosing abnormal car noises, attention should be paid to creating good auscultation conditions and trying to eliminate interference from other noises so as not to affect the accuracy of judgment.

It is best to consciously amplify or reduce the sound, that is, use a screwdriver or other metal rod as a stethoscope to contact the sound part to amplify the sound , or use a single cylinder to cut off the fire to reduce the sound, to meet the diagnostic needs. The monitoring site must remain quiet to minimize human interference.

Most of the time, when the belt makes a noisermal, it's because she's a coward. In this case, it is better to go to the repair shop to adjust the belt tension, because the belt will produce noise. a squeak if it slips. Once the belt slips, it will cause the friction temperature to be further stretched and slip more seriously, entering a vicious circle. Therefore, quick adjustment of belt tension is essential.

Regarding the problem of abnormal noise, it is difficult for ordinary car owners to distinguish which abnormal noise is faulty and which is reasonable. If you go to a repair shop to detect an abnormal noise in your vehicle, you won't be able to. Nearly 20% of cars actually have problems. Models with turbocharged engines are different; models equipped with engine guards may also produce noise due to friction; some ownedCar drivers may have misunderstood reasonable abnormal noises after contact with different vehicles due to their lack of mechanical knowledge. It was a vehicle breakdown. So learn to identify abnormal car noises to avoid wasting time and energy.

Car noise identification method:

In actual work, due to the limitations of working conditions, it is difficult to use special instruments to measure noise cars. We can only measure the noise of cars. noise in daily life. Use judgment when describing and comparing car noises. For example, the "squealing" noise caused by the dry friction of the bearing, the "clicking" noise produced by excessive valve clearance, which is similar to the "clicking" sound of a small hammer hitting the ground in cement, etc.

1. Correctly distinguish sounds norms and abnormal sounds.

When the car is running, the vibrations of various mechanisms will make sounds of different kinds, but the sound does not mean that the car is defective. In order to avoid unnecessary disassembly, you must first distinguish what is normal. abnormal sounds and sounds. Normal vibrations of various system components (such as noise on the engine surface), gear impact noises when changing gears, intake and exhaust noises using gas as a work source, gear meshing noises, etc. are all normal sounds. Abnormal noises (abnormal noises) can be divided into light noises, normal noises and malignant noises according to their impact on car performance. Slight noises, such as the flashing sound of high voltage electrical leakage, the slight rolling noise of bearings, etc., are generally of low volume, the degree of wear of the pieces is not large and there is no significant change for a long time. Such defects can still keep the car without repair normal driving.

3. When diagnosing abnormal car noises, attention should be paid to creating good auscultation conditions and trying to eliminate interference from other noises so as not to affect the accuracy of judgment.

It is best to consciously amplify or reduce the sound, that is, use a screwdriver or other metal rod as a stethoscope to contact the sound part to amplify the sound , or use a single cylinder to cut off the fire to reduce the sound, to meet the diagnostic needs. The monitoring site must remain quiet to minimize human interference.

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