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 apprehension. So when you find out an alternator noise on Volkswagen Golf, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this content to help you locate the origins of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Volkswagen Golf and then what the causes and solutions to alternator noise on Volkswagen Golf may be.
Role and alternator operation Volkswagen Golf
Alternator role
Your alternator is an important part of your Volkswagen Golf. In fact, its mission is to give 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 sufficient 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 spinning produces electricity. It is the engine motor itself that will give the energy needed by the alternator to generate the energy, via the accessory belt or alternator belt. When your Volkswagen Golf engine stops, the battery takes over to give the automobile with energy.
What are the different alternator noises or sounds on my Volkswagen Golf and what are the causes?
I listen to a knocking noise originating from the alternator of my Volkswagen Golf
One of the characteristic noises of a tired alternator on Volkswagen Golf is a knocking noise. This alternator sound on Volkswagen Golf will most of the time appear when your engine is idling, it can be linked to voltage drops that could disturb the normal operation of electrical components such as headlights for example. In general, it is a of both bearings of the alternator that is malfunctioning, to examine it, use a multimeter on the terminals of your automobile with the engine running and you must look for 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 is tired and you should think about changing the bearing if it is the only cause otherwise the entire part.
I find out a grinding noise coming from the alternator of my Volkswagen Golf
If you are in the situation where the alternator of your Volkswagen Golf produces grinding sounds, in this case you will have to look into it more seriously. This indicator can testify as for the knocking sound of a tired bearing, but in most cases, we generally realize by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we suggest that you look for advice this document to find all the necessary information to solve an accessory belt noise on Volkswagen Golf.
I find out a loud noise from the alternator of my Volkswagen Golf
Experiencing a loud noise from the alternator of your Volkswagen Golf is quite normal, 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 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 read this document to find other ways to solve problem of noises from front end on Volkswagen Golf.
