It is never relaxing to notice a noise from your car you don’t know where from. So what if you notice a serpentine belt noise that lasts on your Lexus NX? It is extremely plausible that this is a insignificant trouble, but before being sure, it is better to execute some verifications. If this belt noise comes from your serpentine or driving belt, our team has written a post to help you locating and fixing it. First, we will look at the serpentine belt noises on your Lexus NX and then we will look at the origins of these sounds.
I feel noises from serpentine belt Lexus NX
The best strategy to check the state of your belts is to listen to your automobile. As soon as you detect 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 Lexus NX is to transfer 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 critical in the normal use of your automobile. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive different engine elements at variable speeds.
I notice squealing noises on my serpentine belt Lexus NX
This kind of squealing belt noises on Lexus NX, which will often be acute, can usually occur when the engine is cold, or when the acceleration increases in intensity. . This kind of sound must be significant and it is obviously quite simple to connect 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 accessible, it should not be too difficult for you to point a belt noise on your Lexus NX. The reason of this trouble can be connected 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 the possibility that this phenomenon is annodine. As the serpentine belt of your Lexus NX is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Remember to examine the state of your belt (crack, crack), if this is the case change it, otherwise simply tighten the belt.
I notice loud serpentine or driving belt noises Lexus NX
Just like squealing, a driving belt noise on your Lexus NX that sounds like a loud grinding sound can reveal a lot about its state. 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 correctly. Other possibilities, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this trouble. Don’t forget to examine first the serpentine/driving belt which in most cases is the reason of this trouble, otherwise it will be necessary to change the tensioner or pulley.
I notice bearing noises on the serpentine belt of my Lexus NX
Finally, if in your case you recognize a bearing belt noise on Lexus NX, 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 replace 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 Lexus NX which could maybe help you.
