Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If it never happened to you , perhaps you’ve already had that apprehension. So when you hear an alternator noise on Volkswagen Eos, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to help you locate the origins of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Volkswagen Eos and then what the causes and solutions to alternator noise on Volkswagen Eos may be.alternator-noise-volkswagen-eos

Role and alternator operation Volkswagen Eos

Alternator role

Your alternator is an fundamental part of your Volkswagen Eos. In fact, its task is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of charging the battery once the car is in motion, to provide power to the car 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 works on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning produces electricity. It is the engine motor itself that will provide the energy needed by the alternator to create the energy, via the accessory belt or alternator belt. When your Volkswagen Eos engine stops, the battery takes over to provide the car with energy.

What are the several alternator noises or sounds on my Volkswagen Eos and what are the causes?

I perceive a knocking noise originating from the alternator of my Volkswagen Eos

One of the characteristic noises of a tired alternator on Volkswagen Eos is a knocking noise. This alternator sound on Volkswagen Eos will generally occur when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical parts such as headlights for example. Most often, it is a of both bearings of the alternator that is defective, to examine it, use a multimeter on the terminals of your car with the engine running and you must look for 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 Volkswagen Eos is tired and you should think about replacing the bearing if it is the only cause otherwise the complete part.

I hear a grinding noise coming from the alternator of my Volkswagen Eos

If you are in the situation where the alternator of your Volkswagen Eos causes grinding sounds, in this case you will have to check it more seriously. This sign can testify as for the knocking sound of a tired bearing, however , in general, we often see by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we encourage that you read this content to find all the necessary information to solve an accessory belt noise on Volkswagen Eos.

I hear a loud noise from the alternator of my Volkswagen Eos

Listening a loud noise from the alternator of your Volkswagen Eos is quite typical, in fact, it emits an audible sound when creating the electrical pulses it generates. It is up to you to examine 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 take a look at this content to find other ways to solve problem of noises from front end on Volkswagen Eos.