There is a metallic knocking noise in the Kia K2 alternator belt. Add a little water and the noise w

Introduction There is a metallic knocking noise in the Kia K2 alternator belt. Add a little water and the noise will disappear. Hello, your situation is caused by a belt that is too loose or aging. loose, just tighten it.

There is a metallic knocking noise in the Kia K2 alternator belt. Add a little water and the noise w

Hello, your situation is due to a belt that is too loose or aging. Check if the belt is too loose and tighten it. If it is old, it needs to be replaced. I will be happy to answer your questions and hope to help you. you., I wish you good use of the car! If you have a problem with your car, ask the auto guru. Professional technicians from 4S stores can solve the problem within 10 minutes.

If the belt makes noise when starting the engine or driving the vehicle, what part of the car is defective?

This may be because the belt has slipped on the generator and the belt and pulley are rubbing and vibrating violently, producing a sound of a certain frequency.

The main cause of belt slippage is belt loosening or aging. Among the factors that can cause the relaxation of thebelt are incorrect adjustment of the belt tensioner or insufficient elasticity of the tensioner. The belt tension must be adjusted first. If that doesn't work, replace the tensioner.

Belt aging mainly refers to the gradual hardening and loss of elasticity of the belt during long-term use, and the friction between the belt and the pulley is reduced.

In this case, the belt can only be replaced.

How to judge the abnormal noise of the motor belt:

First of all, check the motor belt. If there are multiple belts in the car and you cannot determine which belt is the problem, you can start the car first and then pour water on the belt. If the abnormal noise disappears, there is a problem with this belt. and you can check. Maybe it's loose or the quality is bad.

The beltThe engine makes an abnormal noise. Dousing it with water will increase its viscosity, which effectively improves the viscosity of the belt. But after the water dries, the belt will return to its original state. This is the principle of belt watering.

Most of the time, when the belt makes an abnormal noise, it is because it is loose. If this happens, it is best to go to a repair shop to adjust the belt. tension, as slipping of the belt will produce a squealing sound. Once the belt slips, the belt will be further stretched due to friction and high temperature, and the slipping will become more serious, entering a vicious circle. Therefore, quick adjustment of belt tension is essential. If you have driven almost 20,000 kilometers and have never changed the belt before, you should normally replace the belt now. Do not wait for the belt to cenough before replacing it and you will be in big trouble.

If there is an abnormal noise in the engine compartment of the car, it is usually because the belt is loose or of poor quality, so you should check the engine belt first. If there are multiple belts in the car and we cannot determine which belt is the problem, we can start the car first and then pour water on the belt. If the abnormal noise disappears, there is a problem with this belt. , and we will. You will be able to check if it is loose or of poor quality. If the motor belt makes an abnormal noise, pouring water on it will increase its viscosity, which actually improves the viscosity of the belt. But after the water dries, the belt will return to its original state. This is the principle of belt watering.

This is due to friction between the belt and the pulley. This usually occurs when the rengine speed changes quickly. Sometimes the belt driven accessory. Increased component load will also cause belt noise.

If the belt makes a squealing noise, this usually means that the friction coefficient of the belt surface has been significantly reduced and that the belt is excessively worn. If there is noise when the vehicle is loaded, you may want to observe one of the drive belts. You will find that the resistance or elasticity of the automatic belt tensioning device or the belt tensioning wheel will increase abnormally. Most automatic belt tensioners have a set of belt wear length indicators somewhere between the base and the tensioner arm, along the slide. The mark consists of a pointer and two to three marks that indicate the operating range of the belt tensioner. If the pointer is outsideof this range, the belt is probably too tight and needs to be replaced. On vehicles without an automatic belt tensioner, use a standard belt elongation tape measure halfway between the two pulleys. If there is a difference from the standard value, it is best to replace the belt.

Although the surface of the pulley is stained with sand and other dirt or the worn belt is installed upside down, which may also cause a long squeal or high-pitched noise from the belt , this is usually due to incorrect assembly. of the auxiliary device.

If the noise occurs in a new car that has been running for a while, it may be due to poor quality of the original factory installation. Check the components that you think might be causing the problem. If the above noise occurs in an old car, then you should consider whether some accessoriesassociated with its auxiliary drive device must be completely replaced. Carefully observe accessories that may have been replaced (such as generators, auxiliary steering pumps, etc.) to see if their mounting brackets are firm, which can also cause misalignment of the pulley assembly. Dirt or sand between the belt and pulleys can also cause loud noises, so if the car is used in a dirty environment, check the surfaces of all pulleys for dirt.

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