Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If it never happened to you , at least you’ve already had that fear. So when you discover an alternator noise on Bmw Serie 2 F22, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this post to help you locate the sources of alternator sounds. In this article, you will first see the role and operation of the alternator in your Bmw Serie 2 F22 and then what the causes and solutions to alternator noise on Bmw Serie 2 F22 may be.
Role and alternator operation Bmw Serie 2 F22
Alternator role
Your alternator is an fundamental part of your Bmw Serie 2 F22. Indeed, its objective is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of charging the battery once the vehicle is in motion, to provide power to the vehicle in motion and to let you to always have a sufficient energy reserve to be able to restart the next time.
Alternator functioning
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The alternator functions on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while rotating creates electricity. It is the engine motor itself that will provide the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Bmw Serie 2 F22 engine stops, the battery takes over to provide the vehicle with energy.
What are the distinctive alternator noises or sounds on my Bmw Serie 2 F22 and what are the causes?
I listen to a knocking noise coming from the alternator of my Bmw Serie 2 F22
One of the characteristic noises of a tired alternator on Bmw Serie 2 F22 is a knocking noise. This alternator sound on Bmw Serie 2 F22 will most of the time happen when your engine is idling, it can be linked to voltage drops that could affect 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 check it, use a multimeter on the terminals of your vehicle with the engine running and you must get a value between 12 and 14.7 volts, which means that your alternator is charging your battery well. If the value is lower, the alternator of your Bmw Serie 2 F22 is tired and you should consider changing the bearing if it is the only reason otherwise the whole part.
I discover a grinding noise coming from the alternator of my Bmw Serie 2 F22
If you are in the case where the alternator of your Bmw Serie 2 F22 generates grinding sounds, in this circumstance you will have to look into it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , in general, we generally realize by looking more closely that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we advise that you read this document to find all the necessary information to solve an accessory belt noise on Bmw Serie 2 F22.
I discover a loud noise from the alternator of my Bmw Serie 2 F22
Hearing a loud noise from the alternator of your Bmw Serie 2 F22 is quite regular, in fact, it produces an audible sound when creating the electrical pulses it generates. It is up to you to check that the battery indicator light on your dashboard does not show up, 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 advise that you check out this document to find other ways to solve problem of noises from front end on Bmw Serie 2 F22.
