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 fear. So when you notice an alternator noise on Volkswagen Multivan, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to support you locate the origins of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Volkswagen Multivan and then what the causes and solutions to alternator noise on Volkswagen Multivan may be.
Role and alternator operation Volkswagen Multivan
Alternator role
Your alternator is an essential part of your Volkswagen Multivan. Indeed, its mission 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 vehicle is in motion, to provide power to the vehicle in motion and to allow you to always have a enough energy source to be able to restart the next time.
Alternator functioning
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The alternator operates on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine itself that will furnish the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen Multivan engine stops, the battery takes over to furnish the vehicle with energy.
What are the different alternator noises or sounds on my Volkswagen Multivan and what are the causes?
I discover a knocking noise originating from the alternator of my Volkswagen Multivan
One of the characteristic noises of a tired alternator on Volkswagen Multivan is a knocking noise. This alternator sound on Volkswagen Multivan will generally occur when your engine is idling, it can be linked to voltage drops that could disturb the normal operation of electrical elements such as headlights for example. Often, it is a of both bearings of the alternator that is malfunctioning, to check it, use a multimeter on the terminals of your vehicle with the engine running and you must look for 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 Multivan is tired and you should think about changing the bearing if it is the only reason otherwise the whole part.
I notice a grinding noise coming from the alternator of my Volkswagen Multivan
If you are in the case where the alternator of your Volkswagen Multivan produces 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 , generally, we generally see by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we advise that you look for advice this article to find all the necessary details to solve an accessory belt noise on Volkswagen Multivan.
I notice a loud noise from the alternator of my Volkswagen Multivan
Hearing a loud noise from the alternator of your Volkswagen Multivan is quite typical, 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 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 advise that you go to this article to find other ways to solve problem of noises from front end on Volkswagen Multivan.
