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, perhaps you’ve already had that apprehension. So when you find out an alternator noise on Volkswagen Rabbit, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this post to support you locate the sources of alternator sounds. In this article, you will first see the role and operation of the alternator in your Volkswagen Rabbit and then what the causes and solutions to alternator noise on Volkswagen Rabbit may be.
Role and alternator operation Volkswagen Rabbit
Alternator role
Your alternator is an fundamental component of your Volkswagen Rabbit. In fact, its objective is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission 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 enough energy reserve 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 principle of copper coil wound around a magnet . This coil while rotating makes electricity. It is the engine motor itself that will provide the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Volkswagen Rabbit engine stops, the battery takes over to provide the automobile with energy.
What are the several alternator noises or sounds on my Volkswagen Rabbit and what are the causes?
I perceive a knocking noise originating from the alternator of my Volkswagen Rabbit
One of the typical noises of a tired alternator on Volkswagen Rabbit is a knocking noise. This alternator sound on Volkswagen Rabbit will most of the time occur when your engine is idling, it can be associated with 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 Rabbit is tired and you should think about replacing the bearing if it is the only cause otherwise the whole part.
I find out a grinding noise coming from the alternator of my Volkswagen Rabbit
If you are in the case where the alternator of your Volkswagen Rabbit produces 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, however , in most cases, we generally realize by looking more carefully 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 consult this content to find all the necessary information to solve an accessory belt noise on Volkswagen Rabbit.
I find out a loud noise from the alternator of my Volkswagen Rabbit
Experiencing a loud noise from the alternator of your Volkswagen Rabbit 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 encourage that you have a look this content to find other ways to solve problem of noises from front end on Volkswagen Rabbit.
