It is never enjoyable to notice a noise from your car you don’t know where from. Then what if you identify a serpentine belt noise that lasts on your Lexus GS? It is very possible that this is a minor trouble, but before being sure, it is better to accomplish some checks. If this belt noise comes from your serpentine or driving belt, our team has written a page to support you finding and solving it. First, we will look at the serpentine belt noises on your Lexus GS and then we will take a look at the origins of these noises.serpentine-belt-noise-lexus-gs

I encounter noises from serpentine belt Lexus GS

The best strategy to control the state of your belts is to listen to your car. As soon as you recognise noises such as squealing or bells, you should take a closer look to examine their source. The function of the serpentine belt or driving belt of your Lexus GS 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 essential in the normal performance of your car. 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 notice squealing noises on my serpentine belt Lexus GS

This type of squealing belt noises on Lexus GS, which will often be acute, can mostly arise when the engine is cold, or when the acceleration increases in intensity. . This type of noise must be significant and it is normally 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 exposed, it should not be too complicated for you to spot a belt noise on your Lexus GS. The cause of this trouble can be related to 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 opportunity that this event is annodine. As the serpentine belt of your Lexus GS 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 notice loud serpentine or driving belt noises Lexus GS

Just like squealing, a driving belt noise on your Lexus GS that sounds like a loud grinding sound can reveal a lot about its state. It is therefore important that you look further and find 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 trouble. Don’t forget to examine first the serpentine/driving belt which in most cases is the cause of this trouble, otherwise it will be necessary to replace the tensioner or pulley.

I notice bearing noises on the serpentine belt of my Lexus GS

Finally, if in your case you discern a bearing belt noise on Lexus GS, 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 prescribed 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 detect a belt noises, read our article about timing belt noises on Lexus GS which could maybe help you.