It is never pleasurable to find out a noise from your car you don’t know where from. Thus what if you detect a serpentine belt noise that lasts on your Audi S4? It is very possible that this is a insignificant problem, but before being sure, it is better to operate some inspections. If this belt noise comes from your serpentine or driving belt, our team has written a page to support you finding and repairing it. First, we will look at the serpentine belt noises on your Audi S4 and then we will take a look at the sources of these noises.
I feel noises from serpentine belt Audi S4
The best technique to check the state of your belts is to listen to your car. As soon as you recognise noises such as squealing or bells, you should take a closer look to check their origin. The role of the serpentine belt or driving belt of your Audi S4 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 overall performance of your car. 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 find out squealing noises on my serpentine belt Audi S4
This type of squealing belt noises on Audi S4, which will often be acute, can mostly occur when the engine is cold, or when the acceleration increases in intensity. . This type of sound must be significant and it is often quite simple to link it with one of these belts. To check, do not hesitate to open your bonnet, engine running cold and check the origin of this noise, the serpentine or driving belt being visible, it should not be too difficult for you to identify a belt noise on your Audi S4. The reason of this problem can be in connection with the damper pulley, which operates as a damper to get rid of 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 opportunity that this phenomenon is annodine. As the serpentine belt of your Audi S4 is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Keep in mind to check the state of your belt (crack, crack), if this is the case change it, otherwise simply tighten the belt.
I find out loud serpentine or driving belt noises Audi S4
Just like squealing, a driving belt noise on your Audi S4 that sounds like a loud grinding sound can say a lot about its state. It is therefore important 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 correctly. Other alternatives, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the origin of this problem. Don’t forget to check first the serpentine/driving belt which in most cases is the reason of this problem, otherwise it will be necessary to change the tensioner or pulley.
I find out bearing noises on the serpentine belt of my Audi S4
Finally, if in your case you recognize a bearing belt noise on Audi S4, it is possible that it is in connection with 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 problem 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 S4 which could maybe help you.
