It is never pleasant to perceive a noise from your car you don’t know where from. Then what if you discover a serpentine belt noise that lasts on your Audi A7? It is highly conceivable that this is a minimal problem, but before being sure, it is better to conduct some checks. If this belt noise comes from your serpentine or driving belt, our team has written a content to help you locating and solving it. First, we will look at the serpentine belt noises on your Audi A7 and then we will look at the sources of these sounds.
I experience noises from serpentine belt Audi A7
The best way to check the state of your belts is to listen to your car. As soon as you recognize sounds such as squealing or bells, you should take a closer look to examine their source. The job of the serpentine belt or driving belt of your Audi A7 is to transmit the movement of the engine to the secondary elements that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore fundamental in the normal operation 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 elements at variable speeds.
I perceive squealing noises on my serpentine belt Audi A7
This kind of squealing belt noises on Audi A7, which will often be acute, can usually arise when the engine is cold, or when the acceleration increases in intensity. . This kind of sound must be significant and it is often quite simple to link 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 difficult for you to point a belt noise on your Audi A7. The reason of this problem can be in connection with the damper pulley, which operates 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 the possibility that this phenomenon is annodine. As the serpentine belt of your Audi A7 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 state of your belt (crack, crack), if this is the case replace it, otherwise simply tighten the belt.
I perceive loud serpentine or driving belt noises Audi A7
Just like squealing, a driving belt noise on your Audi A7 that sounds like a loud grinding sound can tell you a lot about its state. It is therefore essential that you look further and locate 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 source of this problem. Don’t forget to examine first the serpentine/driving belt which in most cases is the reason of this problem, otherwise it will be necessary to replace the tensioner or pulley.
I perceive bearing noises on the serpentine belt of my Audi A7
Finally, if in your case you distinguish a bearing belt noise on Audi A7, 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 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 change it if it is too short. If after checking all thoses possibilities, you still notice a belt noises, read our article about timing belt noises on Audi A7 which could maybe help you.
