It is never pleasurable to notice a noise from your car you don’t know where from. Thus what if you locate a serpentine belt noise that lasts on your Lexus IS? It is extremely plausible 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 a document to support you locating and correcting it. First, we will look at the serpentine belt noises on your Lexus IS and then we will look at the origins of these sounds.
I encounter noises from serpentine belt Lexus IS
The best technique to check the state of your belts is to listen to your car. Immediately after you detect sounds such as squealing or bells, you should take a closer look to verify their source. The function of the serpentine belt or driving belt of your Lexus IS 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 fundamental in the normal general performance of your car. 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 notice squealing noises on my serpentine belt Lexus IS
This kind of squealing belt noises on Lexus IS, which will often be acute, can in most cases arise 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 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 accessible, it should not be too complicated for you to spot a belt noise on your Lexus IS. The cause of this issue can be connected to the damper pulley, which works as a damper to reduce 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 Lexus IS is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop 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 notice loud serpentine or driving belt noises Lexus IS
Just like squealing, a driving belt noise on your Lexus IS that sounds like a loud grinding sound can express a lot about its state. It is therefore necessary 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 issue. Don’t forget to verify first the serpentine/driving belt which in most cases is the cause of this issue, otherwise it will be necessary to change the tensioner or pulley.
I notice bearing noises on the serpentine belt of my Lexus IS
Finally, if in your case you recognize a bearing belt noise on Lexus IS, 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 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 alternatives, you still notice a belt noises, read our article about timing belt noises on Lexus IS which could maybe help you.
