It is never pleasing to perceive a noise from your car you don’t know where from. Then what if you discover a serpentine belt noise that remains on your Audi A2? It is very possible that this is a insignificant problem, 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 a page to help you finding and fixing it. First, we will look at the serpentine belt noises on your Audi A2 and then we will take a look at the origins of these sounds.
I encounter noises from serpentine belt Audi A2
The best method to control the condition of your belts is to listen to your vehicle. As soon as you detect sounds such as squealing or bells, you should take a closer look to verify their origin. The task of the serpentine belt or driving belt of your Audi A2 is to transmit 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 vital in the normal operation of your vehicle. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the capacity to drive different engine parts at variable speeds.
I perceive squealing noises on my serpentine belt Audi A2
This kind of squealing belt noises on Audi A2, which will often be acute, can mostly arise when the engine is cold, or when the acceleration increases in intensity. . This kind of noise must be heavy and it is obviously quite simple to link it with one of these belts. To verify, do not hesitate to open your bonnet, engine running cold and check the origin of this noise, the serpentine or driving belt being apparent, it should not be too complicated for you to locate a belt noise on your Audi A2. The cause of this problem can be connected to the damper pulley, which functions 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 the possibility that this phenomenon is annodine. As the serpentine belt of your Audi A2 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 verify the condition 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 Audi A2
Just like squealing, a driving belt noise on your Audi A2 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 cause 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 origin of this problem. Make sure you verify first the serpentine/driving belt which in most cases is the cause of this problem, otherwise it will be necessary to swap the tensioner or pulley.
I perceive bearing noises on the serpentine belt of my Audi A2
Finally, if in your case you discern a bearing belt noise on Audi A2, it is possible that it is connected to a serpentine belt that is too tight . Indeed, it is possible that its size may be smaller than suggested 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 Audi A2 which could maybe help you.
