It is never pleasurable to listen to a noise from your car you don’t know where from. So what if you discover a serpentine belt noise that stays on your BMW 7 Series? It is extremely plausible that this is a insignificant issue, but before being sure, it is better to carry out some checks. If this belt noise comes from your serpentine or driving belt, our team has written a content to support you finding and repairing it. First, we will look at the serpentine belt noises on your BMW 7 Series and then we will look at the origins of these sounds.
I feel noises from serpentine belt BMW 7 Series
The best method to check 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 examine their source. The role of the serpentine belt or driving belt of your BMW 7 Series 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 automobile. 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 listen to squealing noises on my serpentine belt BMW 7 Series
This sort of squealing belt noises on BMW 7 Series, which will often be acute, can mostly occur 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 link 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 apparent, it should not be too complicated for you to locate a belt noise on your BMW 7 Series. The reason of this issue can be linked to the damper pulley, which functions 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 the opportunity that this phenomenon is annodine. As the serpentine belt of your BMW 7 Series is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Remember to examine the condition of your belt (crack, crack), if this is the case replace it, otherwise simply tighten the belt.
I listen to loud serpentine or driving belt noises BMW 7 Series
Just like squealing, a driving belt noise on your BMW 7 Series that sounds like a loud grinding sound can reveal a lot about its condition. It is therefore imperative that you look further and locate the cause 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. Remember to examine first the serpentine/driving belt which in most cases is the reason of this issue, otherwise it will be necessary to replace the tensioner or pulley.
I listen to bearing noises on the serpentine belt of my BMW 7 Series
Finally, if in your case you distinguish a bearing belt noise on BMW 7 Series, it is plausible that it is linked to a serpentine belt that is too tight . Indeed, it is plausible 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 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 replace it if it is too short. If after checking all thoses alternatives, you still perceive a belt noises, read our article about timing belt noises on BMW 7 Series which could maybe help you.
