It is never relaxing to discover a noise from your car you don’t know where from. So what if you notice a serpentine belt noise that persists on your Bmw Serie 3 E90? It is highly possible that this is a minimal problem, but before being sure, it is better to operate some verifications. If this belt noise comes from your serpentine or driving belt, our team has written a content to help you locating and repairing it. First, we will look at the serpentine belt noises on your Bmw Serie 3 E90 and then we will check out the sources of these sounds.
I encounter noises from serpentine belt Bmw Serie 3 E90
The best strategy to control the state of your belts is to listen to your car. As soon as you perceive sounds such as squealing or bells, you should take a closer look to check their origin. The task of the serpentine belt or driving belt of your Bmw Serie 3 E90 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 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 discover squealing noises on my serpentine belt Bmw Serie 3 E90
This sort of squealing belt noises on Bmw Serie 3 E90, which will often be acute, can commonly arise when the engine is cold, or when the acceleration increases in intensity. . This sort of noise must be heavy and it is normally quite simple to relate it with one of these belts. To check, do not hesitate to open your bonnet, engine running cold and check the origin of this noise, the serpentine or driving belt being visible, it should not be too difficult for you to locate a belt noise on your Bmw Serie 3 E90. The cause of this problem can be related 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 a chance that this event is annodine. As the serpentine belt of your Bmw Serie 3 E90 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 check the state of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.
I discover loud serpentine or driving belt noises Bmw Serie 3 E90
Just like squealing, a driving belt noise on your Bmw Serie 3 E90 that sounds like a loud grinding sound can express a lot about its state. It is therefore essential 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 correctly. Other alternatives, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the origin of this problem. Make sure you check first the serpentine/driving belt which in most cases is the cause of this problem, otherwise it will be necessary to swap the tensioner or pulley.
I discover bearing noises on the serpentine belt of my Bmw Serie 3 E90
Finally, if in your case you discern a bearing belt noise on Bmw Serie 3 E90, 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 recommended 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 swap it if it is too short. If after checking all thoses alternatives, you still detect a belt noises, read our article about timing belt noises on Bmw Serie 3 E90 which could maybe help you.
