It is never relaxing to listen to a noise from your car you don’t know where from. Thus what if you discover a serpentine belt noise that remains on your Volvo S90? It is highly plausible that this is a unimportant problem, but before being sure, it is better to accomplish some inspections. If this belt noise comes from your serpentine or driving belt, our team has written a document to help you locating and fixing it. First, we will look at the serpentine belt noises on your Volvo S90 and then we will take a look at the sources of these noises.serpentine-belt-noise-volvo-s90

I encounter noises from serpentine belt Volvo S90

The best way to check the state of your belts is to listen to your vehicle. Immediately after you recognise noises such as squealing or bells, you should take a closer look to check their source. The task of the serpentine belt or driving belt of your Volvo S90 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 important in the normal functionality of your vehicle. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive distinctive engine elements at variable speeds.

I listen to squealing noises on my serpentine belt Volvo S90

This sort of squealing belt noises on Volvo S90, which will often be acute, can in most cases occur when the engine is cold, or when the acceleration increases in intensity. . This sort of noise must be heavy and it is obviously 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 source of this noise, the serpentine or driving belt being accessible, it should not be too complicated for you to point a belt noise on your Volvo S90. The reason of this problem can be connected to the damper pulley, which operates as a damper to eliminate 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 Volvo S90 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 replace it, otherwise simply tighten the belt.

I listen to loud serpentine or driving belt noises Volvo S90

Just like squealing, a driving belt noise on your Volvo S90 that sounds like a loud grinding sound can say a lot about its state. It is therefore imperative that you look further and locate the reason 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 source of this problem. Remember to check 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 listen to bearing noises on the serpentine belt of my Volvo S90

Finally, if in your case you recognize a bearing belt noise on Volvo S90, it is plausible that it is connected to a serpentine belt that is too tight . Indeed, it is plausible that its size may be smaller than prescribed 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 change it if it is too short. If after checking all thoses alternatives, you still detect a belt noises, read our article about timing belt noises on Volvo S90 which could maybe help you.