It is never pleasant to perceive a noise from your car you don’t know where from. So what if you identify a serpentine belt noise that remains on your Volkswagen Polo? It is very conceivable that this is a minor trouble, but before being sure, it is better to execute some checks. If this belt noise comes from your serpentine or driving belt, our team has written a page to support you finding and correcting it. First, we will look at the serpentine belt noises on your Volkswagen Polo and then we will take a look at the origins of these noises.
I encounter noises from serpentine belt Volkswagen Polo
The best technique to check the condition of your belts is to listen to your vehicle. As soon as you perceive noises such as squealing or bells, you should take a closer look to examine their source. The function of the serpentine belt or driving belt of your Volkswagen Polo is to transfer the movement of the engine to the secondary parts that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore critical in the normal performance of your vehicle. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the capacity to drive distinctive engine parts at variable speeds.
I perceive squealing noises on my serpentine belt Volkswagen Polo
This kind of squealing belt noises on Volkswagen Polo, which will often be acute, can in most cases appear when the engine is cold, or when the acceleration increases in intensity. . This kind of sound must be heavy and it is often quite simple to associate it with one of these belts. To examine, do not hesitate to open your bonnet, engine running cold and check the source of this noise, the serpentine or driving belt being visible, it should not be too complicated for you to locate a belt noise on your Volkswagen Polo. The reason of this trouble can be linked to the damper pulley, which works as a damper to reduce 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 phenomenon is annodine. As the serpentine belt of your Volkswagen Polo is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Keep in mind to examine the condition of your belt (crack, crack), if this is the case change it, otherwise simply tighten the belt.
I perceive loud serpentine or driving belt noises Volkswagen Polo
Just like squealing, a driving belt noise on your Volkswagen Polo that sounds like a loud grinding sound can express a lot about its condition. It is therefore essential that you look further and find the reason for this sound that can signal 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 trouble. Make sure to examine first the serpentine/driving belt which in most cases is the reason of this trouble, otherwise it will be necessary to change the tensioner or pulley.
I perceive bearing noises on the serpentine belt of my Volkswagen Polo
Finally, if in your case you distinguish a bearing belt noise on Volkswagen Polo, it is conceivable that it is linked to a serpentine belt that is too tight . Indeed, it is conceivable that its size may be smaller than recommended 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 swap 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 which could maybe help you.