Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If that didn’t happen to you, at minimum you’ve already had that fear. So when you perceive an alternator noise on Volkswagen Fox, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this content to support you find the sources of alternator sounds. In this article, you will first see the role and functions of the alternator in your Volkswagen Fox and then what the causes and solutions to alternator noise on Volkswagen Fox may be.alternator-noise-volkswagen-fox

Role and alternator operation Volkswagen Fox

Alternator role

Your alternator is an important part of your Volkswagen Fox. In fact, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of charging the battery once the car is in motion, to provide power to the car in motion and to allow 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 principle of copper coil wound around a magnet . This coil while rotating produces electricity. It is the engine itself that will furnish the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen Fox engine stops, the battery takes over to furnish the car with energy.

What are the distinctive alternator noises or sounds on my Volkswagen Fox and what are the causes?

I find out a knocking noise caused by the alternator of my Volkswagen Fox

One of the typical noises of a tired alternator on Volkswagen Fox is a knocking noise. This alternator sound on Volkswagen Fox will most of the time show up 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. In many cases, it is a of both bearings of the alternator that is faulty, to verify it, use a multimeter on the terminals of your car 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 Volkswagen Fox is tired and you should think about replacing the bearing if it is the only cause otherwise the complete part.

I perceive a grinding noise coming from the alternator of my Volkswagen Fox

If you are in the case where the alternator of your Volkswagen Fox generates 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 usually, we generally realize by looking more closely that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we advise that you look for advice this content to find all the necessary details to solve an accessory belt noise on Volkswagen Fox.

I perceive a loud noise from the alternator of my Volkswagen Fox

Hearing a loud noise from the alternator of your Volkswagen Fox is quite typical, in fact, it produces an audible sound when producing the electrical pulses it generates. It is up to you to verify 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 go to this content to find other ways to solve problem of noises from front end on Volkswagen Fox.