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 apprehension. So when you hear an alternator noise on Volkswagen Touran 3, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this content to help you find the origins of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Volkswagen Touran 3 and then what the causes and solutions to alternator noise on Volkswagen Touran 3 may be.alternator-noise-volkswagen-touran-3

Role and alternator operation Volkswagen Touran 3

Alternator role

Your alternator is an fundamental part of your Volkswagen Touran 3. Indeed, its goal is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging the battery once the automobile is in motion, to provide power to the automobile in motion and to allow you to always have a sufficient energy source 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 spinning makes electricity. It is the engine motor itself that will furnish the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen Touran 3 engine stops, the battery takes over to furnish the automobile with energy.

What are the distinctive alternator noises or sounds on my Volkswagen Touran 3 and what are the causes?

I hear a knocking noise originating from the alternator of my Volkswagen Touran 3

One of the typical noises of a tired alternator on Volkswagen Touran 3 is a knocking noise. This alternator sound on Volkswagen Touran 3 will most of the time show up when your engine is idling, it can be connected to voltage drops that could disturb the normal operation of electrical parts such as headlights for example. Most often, it is a of both bearings of the alternator that is faulty, to check it, use a multimeter on the terminals of your automobile with the engine running and you must get 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 Volkswagen Touran 3 is tired and you should think about swapping the bearing if it is the only cause otherwise the whole part.

I hear a grinding noise coming from the alternator of my Volkswagen Touran 3

If you are in the case where the alternator of your Volkswagen Touran 3 generates grinding sounds, in this circumstance you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but generally, we often see by looking more closely that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we suggest that you consult this article to find all the necessary details to solve an accessory belt noise on Volkswagen Touran 3.

I hear a loud noise from the alternator of my Volkswagen Touran 3

Finding out a loud noise from the alternator of your Volkswagen Touran 3 is quite normal, in fact, it emits 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 suggest that you look into this article to find other ways to solve problem of noises from front end on Volkswagen Touran 3.