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, certainly you’ve already had that fear. So when you discover an alternator noise on Volkswagen Golf 2, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this article to support you find the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Volkswagen Golf 2 and then what the causes and solutions to alternator noise on Volkswagen Golf 2 may be.alternator-noise-volkswagen-golf-2

Role and alternator operation Volkswagen Golf 2

Alternator role

Your alternator is an essential part of your Volkswagen Golf 2. Indeed, its task is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of charging 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 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 rotating makes electricity. It is the engine itself that will provide the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen Golf 2 engine stops, the battery takes over to provide the automobile with energy.

What are the several alternator noises or sounds on my Volkswagen Golf 2 and what are the causes?

I perceive a knocking noise from the alternator of my Volkswagen Golf 2

One of the typical noises of a tired alternator on Volkswagen Golf 2 is a knocking noise. This alternator sound on Volkswagen Golf 2 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 elements such as headlights for example. In most cases, it is a of both bearings of the alternator that is faulty, to examine it, use a multimeter on the terminals of your automobile with the engine running and you must obtain 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 Golf 2 is tired and you should consider replacing the bearing if it is the only reason otherwise the entire part.

I discover a grinding noise coming from the alternator of my Volkswagen Golf 2

If you are in the case where the alternator of your Volkswagen Golf 2 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, however , in general, we often see by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the reason 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 Golf 2.

I discover a loud noise from the alternator of my Volkswagen Golf 2

Experiencing a loud noise from the alternator of your Volkswagen Golf 2 is quite regular, in fact, it produces an audible sound when producing the electrical pulses it generates. It is up to you to examine 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 take a look at this article to find other ways to solve problem of noises from front end on Volkswagen Golf 2.