It is never pleasing to discover a noise from your car you don’t know where from. So what if you detect a serpentine belt noise that persists on your Toyota Yaris 2? It is extremely possible that this is a unimportant issue, but before being sure, it is better to accomplish some verifications. If this belt noise comes from your serpentine or driving belt, our team has written an article to support you finding and correcting it. First, we will look at the serpentine belt noises on your Toyota Yaris 2 and then we will take a look at the origins of these noises.serpentine-belt-noise-toyota-yaris-2

I experience noises from serpentine belt Toyota Yaris 2

The best technique to check the condition 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 examine their source. The role of the serpentine belt or driving belt of your Toyota Yaris 2 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 use 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 components at variable speeds.

I discover squealing noises on my serpentine belt Toyota Yaris 2

This sort of squealing belt noises on Toyota Yaris 2, which will often be acute, can commonly occur when the engine is cold, or when the acceleration increases in intensity. . This sort of sound must be significant and it is often quite simple to associate 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 complicated for you to spot a belt noise on your Toyota Yaris 2. The reason of this issue can be related to the damper pulley, which acts 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 a chance that this phenomenon is annodine. As the serpentine belt of your Toyota Yaris 2 is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Remember to examine the condition of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.

I discover loud serpentine or driving belt noises Toyota Yaris 2

Just like squealing, a driving belt noise on your Toyota Yaris 2 that sounds like a loud grinding sound can say a lot about its condition. It is therefore imperative that you look further and locate 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 possibilities, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this issue. Make sure to examine 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 discover bearing noises on the serpentine belt of my Toyota Yaris 2

Finally, if in your case you identify a bearing belt noise on Toyota Yaris 2, it is possible that it is related 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 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 swap it if it is too short. If after checking all thoses possibilities, you still perceive a belt noises, read our article about timing belt noises on Toyota Yaris 2 which could maybe help you.