It is never pleasurable to notice a noise from your car you don’t know where from. So what if you identify a serpentine belt noise that remains on your Toyota 4Runner? It is very possible that this is a unimportant issue, but before being sure, it is better to carry out some verifications. If this belt noise comes from your serpentine or driving belt, our team has written a page to support you locating and fixing it. First, we will look at the serpentine belt noises on your Toyota 4Runner and then we will take a look at the sources of these noises.
I feel noises from serpentine belt Toyota 4Runner
The best technique to control the condition of your belts is to listen to your vehicle. Immediately after you notice noises such as squealing or bells, you should take a closer look to examine their source. The task of the serpentine belt or driving belt of your Toyota 4Runner is to transfer the movement of the engine to the secondary parts that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore essential in the normal operation of your vehicle. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive different engine parts at variable speeds.
I notice squealing noises on my serpentine belt Toyota 4Runner
This sort of squealing belt noises on Toyota 4Runner, which will often be acute, can commonly arise when the engine is cold, or when the acceleration increases in intensity. . This sort of sound must be heavy and it is obviously quite simple to relate 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 4Runner. The reason of this issue can be in connection with the damper pulley, which operates 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 the possibility that this phenomenon is annodine. As the serpentine belt of your Toyota 4Runner is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Keep in mind to examine the condition 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 Toyota 4Runner
Just like squealing, a driving belt noise on your Toyota 4Runner 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 reason 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 issue. Remember to examine first the serpentine/driving belt which in most cases is the reason of this issue, otherwise it will be necessary to change the tensioner or pulley.
I notice bearing noises on the serpentine belt of my Toyota 4Runner
Finally, if in your case you distinguish a bearing belt noise on Toyota 4Runner, it is possible that it is in connection with 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 swap 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 Toyota 4Runner which could maybe help you.
