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, perhaps you’ve already had that apprehension. So when you notice an alternator noise on Volkswagen Touran, you can already imagine 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 origins of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Volkswagen Touran and then what the causes and solutions to alternator noise on Volkswagen Touran may be.alternator-noise-volkswagen-touran

Role and alternator operation Volkswagen Touran

Alternator role

Your alternator is an important component of your Volkswagen Touran. Indeed, its goal 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 vehicle is in motion, to provide power to the vehicle in motion and to let you to always have a enough 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 creates electricity. It is the engine itself that will give the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen Touran engine stops, the battery takes over to give the vehicle with energy.

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

I perceive a knocking noise coming from the alternator of my Volkswagen Touran

One of the typical noises of a tired alternator on Volkswagen Touran is a knocking noise. This alternator sound on Volkswagen Touran will generally show up 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. In general, it is a of both bearings of the alternator that is faulty, to examine 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 Volkswagen Touran is tired and you should think about replacing the bearing if it is the only reason otherwise the entire part.

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

If you are in the case where the alternator of your Volkswagen Touran causes grinding sounds, in this case you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but generally, we generally notice by looking more meticulously 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 read this content to find all the necessary information to solve an accessory belt noise on Volkswagen Touran.

I notice a loud noise from the alternator of my Volkswagen Touran

Hearing a loud noise from the alternator of your Volkswagen Touran 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 look into this content to find other ways to solve problem of noises from front end on Volkswagen Touran.