Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If that didn’t happen to you, certainly you’ve already had that apprehension. So when you perceive an alternator noise on Bmw Serie 7, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to support you find the origins of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Bmw Serie 7 and then what the causes and solutions to alternator noise on Bmw Serie 7 may be.
Role and alternator operation Bmw Serie 7
Alternator role
Your alternator is an vital component of your Bmw Serie 7. In fact, its mission is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of recharging the battery once the automobile is in motion, to provide power to the automobile in motion and to let you to always have a sufficient energy source to be able to restart the next time.
Alternator functioning
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The alternator works on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine motor itself that will furnish the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Bmw Serie 7 engine stops, the battery takes over to furnish the automobile with energy.
What are the distinctive alternator noises or sounds on my Bmw Serie 7 and what are the causes?
I notice a knocking noise coming from the alternator of my Bmw Serie 7
One of the characteristic noises of a tired alternator on Bmw Serie 7 is a knocking noise. This alternator sound on Bmw Serie 7 will most of the time occur when your engine is idling, it can be linked to voltage drops that could disturb the normal operation of electrical parts such as headlights for example. Often, it is a of both bearings of the alternator that is faulty, to verify it, use a multimeter on the terminals of your automobile with the engine running and you must look for a value between 12 and 14.7 volts, which means that your alternator is recharging your battery well. If the value is lower, the alternator of your Bmw Serie 7 is tired and you should think about replacing the bearing if it is the only reason otherwise the entire part.
I perceive a grinding noise coming from the alternator of my Bmw Serie 7
If you are in the case where the alternator of your Bmw Serie 7 causes grinding sounds, in this case you will have to look at it more seriously. This sign can testify as for the knocking sound of a tired bearing, but generally, we often see by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we encourage that you consult this content to find all the necessary details to solve an accessory belt noise on Bmw Serie 7.
I perceive a loud noise from the alternator of my Bmw Serie 7
Listening a loud noise from the alternator of your Bmw Serie 7 is quite normal, in fact, it produces an audible sound when creating the electrical pulses it generates. It is up to you to verify that the battery indicator light on your dashboard does not appear, and that you do not have a voltage drop when your engine is running (headlight or dashboard light that jumps for example. If this noise is too loud, we encourage that you check out this content to find other ways to solve problem of noises from front end on Bmw Serie 7.
