It is never relaxing to perceive a noise from your car you don’t know where from. So what if you locate a serpentine belt noise that persists on your Volkswagen Polo 4? It is extremely conceivable that this is a unimportant issue, but before being sure, it is better to accomplish some investigations. If this belt noise comes from your serpentine or driving belt, our team has written an article to help you locating and solving it. First, we will look at the serpentine belt noises on your Volkswagen Polo 4 and then we will look at the origins of these noises.serpentine-belt-noise-volkswagen-polo-4

I encounter noises from serpentine belt Volkswagen Polo 4

The best technique to check the state of your belts is to listen to your automobile. Immediately after you recognize noises such as squealing or bells, you should take a closer look to check their source. The task of the serpentine belt or driving belt of your Volkswagen Polo 4 is to transmit the movement of the engine to the secondary components that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore fundamental in the normal general performance of your automobile. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the capacity to drive distinctive engine components at variable speeds.

I perceive squealing noises on my serpentine belt Volkswagen Polo 4

This type of squealing belt noises on Volkswagen Polo 4, which will often be acute, can generally arise when the engine is cold, or when the acceleration increases in intensity. . This type of sound must be heavy and it is often quite simple to associate it with one of these belts. To check, do not hesitate to open your bonnet, engine running cold and check the source of this noise, the serpentine or driving belt being apparent, it should not be too difficult for you to point a belt noise on your Volkswagen Polo 4. The cause of this issue can be in connection with the damper pulley, which works as a damper to eradicate irregularities in the tension in the motor cycle and therefore in the energy transmission to the belt. This results in a loose belt that will jerk. However, you still have a chance that this event is annodine. As the serpentine belt of your Volkswagen Polo 4 is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Remember to check the state of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.

I perceive loud serpentine or driving belt noises Volkswagen Polo 4

Just like squealing, a driving belt noise on your Volkswagen Polo 4 that sounds like a loud grinding sound can reveal a lot about its state. It is therefore essential that you look further and locate the reason for this sound that can indicate the end of your belt’s life. Like squealing noise, it can be identified in most cases when cold . It generally means a worn pulley whose streaks no longer allow it to be driven properly. Other alternatives, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this issue. Remember to check first the serpentine/driving belt which in most cases is the cause of this issue, otherwise it will be necessary to swap the tensioner or pulley.

I perceive bearing noises on the serpentine belt of my Volkswagen Polo 4

Finally, if in your case you discern a bearing belt noise on Volkswagen Polo 4, it is conceivable that it is in connection with a serpentine belt that is too tight . Indeed, it is conceivable that its size may be smaller than prescribed and cause the entire system to overvoltage, resulting in this whistling noise or slight rolling noise. The risk in this case is that the bearing bearings or the Damper pulley may fail . Remember, therefore, to stretch the belt to limit the risks or to replace it if it is too short. If after checking all thoses alternatives, you still identify a belt noises, read our article about timing belt noises on Volkswagen Polo 4 which could maybe help you.