It is never relaxing to find out a noise from your car you don’t know where from. So what if you identify a serpentine belt noise that stays on your Audi S3? It is highly possible that this is a unimportant issue, but before being sure, it is better to operate some verifications. If this belt noise comes from your serpentine or driving belt, our team has written a post to help you finding and correcting it. First, we will look at the serpentine belt noises on your Audi S3 and then we will check out the origins of these sounds.serpentine-belt-noise-audi-s3

I encounter noises from serpentine belt Audi S3

The best way to check the condition of your belts is to listen to your car. As soon as you notice sounds such as squealing or bells, you should take a closer look to verify their origin. The function of the serpentine belt or driving belt of your Audi S3 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 critical 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 ability to drive distinctive engine components at variable speeds.

I find out squealing noises on my serpentine belt Audi S3

This sort of squealing belt noises on Audi S3, which will often be acute, can usually appear when the engine is cold, or when the acceleration increases in intensity. . This sort of sound must be heavy and it is normally quite simple to relate 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 exposed, it should not be too difficult for you to identify a belt noise on your Audi S3. The reason of this issue 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 an opportunity that this phenomenon is annodine. As the serpentine belt of your Audi S3 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 verify the condition of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.

I find out loud serpentine or driving belt noises Audi S3

Just like squealing, a driving belt noise on your Audi S3 that sounds like a loud grinding sound can tell you a lot about its condition. It is therefore essential that you look further and find the cause 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 possibilities, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the origin of this issue. Make sure to verify first the serpentine/driving belt which in most cases is the reason of this issue, otherwise it will be necessary to swap the tensioner or pulley.

I find out bearing noises on the serpentine belt of my Audi S3

Finally, if in your case you recognize a bearing belt noise on Audi S3, 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 recommended 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 possibilities, you still detect a belt noises, read our article about timing belt noises on Audi S3 which could maybe help you.