It is never enjoyable to perceive a noise from your car you don’t know where from. Then what if you detect a serpentine belt noise that stays on your BMW 5 Series? It is extremely possible that this is a insignificant problem, but before being sure, it is better to conduct some inspections. If this belt noise comes from your serpentine or driving belt, our team has written a document to help you finding and solving it. First, we will look at the serpentine belt noises on your BMW 5 Series and then we will take a look at the sources of these sounds.
I experience noises from serpentine belt BMW 5 Series
The best way to control the condition of your belts is to listen to your automobile. Immediately after you find sounds such as squealing or bells, you should take a closer look to check their source. The function of the serpentine belt or driving belt of your BMW 5 Series 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 use of your automobile. 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 perceive squealing noises on my serpentine belt BMW 5 Series
This kind of squealing belt noises on BMW 5 Series, which will often be acute, can mostly happen when the engine is cold, or when the acceleration increases in intensity. . This kind of noise must be significant and it is normally quite simple to connect it with one of these belts. To check, 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 locate a belt noise on your BMW 5 Series. The cause of this problem can be related to the damper pulley, which acts as a damper to get rid of 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 5 Series is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Remember to check the condition of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.
I perceive loud serpentine or driving belt noises BMW 5 Series
Just like squealing, a driving belt noise on your BMW 5 Series that sounds like a loud grinding sound can reveal a lot about its condition. It is therefore important that you look further and find 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 possibilities, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this problem. Make sure to 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 perceive bearing noises on the serpentine belt of my BMW 5 Series
Finally, if in your case you recognize a bearing belt noise on BMW 5 Series, 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 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 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 BMW 5 Series which could maybe help you.
