It is never pleasant to hear a noise from your car you don’t know where from. Thus what if you detect a serpentine belt noise that lasts on your Lexus RX? It is extremely possible that this is a unimportant trouble, but before being sure, it is better to carry out some inspections. If this belt noise comes from your serpentine or driving belt, our team has written a page to support you finding and correcting it. First, we will look at the serpentine belt noises on your Lexus RX and then we will check out the sources of these sounds.serpentine-belt-noise-lexus-rx

I feel noises from serpentine belt Lexus RX

The best method to control 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 verify their source. The task of the serpentine belt or driving belt of your Lexus RX 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 important 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 capacity to drive distinctive engine elements at variable speeds.

I hear squealing noises on my serpentine belt Lexus RX

This kind of squealing belt noises on Lexus RX, 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 heavy and it is often quite simple to link it with one of these belts. To verify, do not hesitate to open your bonnet, engine running cold and check the source of this noise, the serpentine or driving belt being exposed, it should not be too complicated for you to point a belt noise on your Lexus RX. The cause of this trouble can be connected to the damper pulley, which works 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 an opportunity that this phenomenon is annodine. As the serpentine belt of your Lexus RX is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Remember to verify the state of your belt (crack, crack), if this is the case change it, otherwise simply tighten the belt.

I hear loud serpentine or driving belt noises Lexus RX

Just like squealing, a driving belt noise on your Lexus RX 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 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 trouble. Make sure to verify first the serpentine/driving belt which in most cases is the cause of this trouble, otherwise it will be necessary to change the tensioner or pulley.

I hear bearing noises on the serpentine belt of my Lexus RX

Finally, if in your case you discern a bearing belt noise on Lexus RX, it is possible that it is connected to 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 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 Lexus RX which could maybe help you.