Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If that didn’t happen to you, at least you’ve already had that fear. So when you notice an alternator noise on Volkswagen Coccinelle, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to help you find the sources of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Volkswagen Coccinelle and then what the causes and solutions to alternator noise on Volkswagen Coccinelle may be.
Role and alternator operation Volkswagen Coccinelle
Alternator role
Your alternator is an important component of your Volkswagen Coccinelle. Indeed, its task is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of recharging the battery once the car is in motion, to provide power to the car 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 works on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning makes electricity. It is the engine motor itself that will give the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Volkswagen Coccinelle engine stops, the battery takes over to give the car with energy.
What are the several alternator noises or sounds on my Volkswagen Coccinelle and what are the causes?
I hear a knocking noise coming from the alternator of my Volkswagen Coccinelle
One of the characteristic noises of a tired alternator on Volkswagen Coccinelle is a knocking noise. This alternator sound on Volkswagen Coccinelle will most of the time appear when your engine is idling, it can be connected to voltage drops that could affect 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 car with the engine running and you must obtain 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 Coccinelle is tired and you should consider swapping the bearing if it is the only cause otherwise the whole part.
I notice a grinding noise coming from the alternator of my Volkswagen Coccinelle
If you are in the situation where the alternator of your Volkswagen Coccinelle causes grinding sounds, in this case you will have to look at it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but in most cases, we generally realise 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 encourage that you look for advice this document to find all the necessary details to solve an accessory belt noise on Volkswagen Coccinelle.
I notice a loud noise from the alternator of my Volkswagen Coccinelle
Experiencing a loud noise from the alternator of your Volkswagen Coccinelle is quite regular, 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 encourage that you look into this document to find other ways to solve problem of noises from front end on Volkswagen Coccinelle.
