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 hear an alternator noise on Volkswagen Golf 8, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this article to help you find the origins of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Volkswagen Golf 8 and then what the causes and solutions to alternator noise on Volkswagen Golf 8 may be.alternator-noise-volkswagen-golf-8

Role and alternator operation Volkswagen Golf 8

Alternator role

Your alternator is an fundamental part of your Volkswagen Golf 8. Indeed, its goal 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 let you to always have a enough energy source to be able to restart the next time.

Alternator functioning

>
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 creates electricity. It is the engine motor itself that will give the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen Golf 8 engine stops, the battery takes over to give the car with energy.

What are the different alternator noises or sounds on my Volkswagen Golf 8 and what are the causes?

I perceive a knocking noise caused by the alternator of my Volkswagen Golf 8

One of the characteristic noises of a tired alternator on Volkswagen Golf 8 is a knocking noise. This alternator sound on Volkswagen Golf 8 will generally show up when your engine is idling, it can be linked to voltage drops that could affect the normal operation of electrical components such as headlights for example. Most often, it is a of both bearings of the alternator that is defective, to examine it, use a multimeter on the terminals of your car 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 Golf 8 is tired and you should think about replacing the bearing if it is the only cause otherwise the whole part.

I hear a grinding noise coming from the alternator of my Volkswagen Golf 8

If you are in the situation where the alternator of your Volkswagen Golf 8 produces grinding sounds, in this circumstance you will have to look at it more seriously. This sign can testify as for the knocking sound of a tired bearing, but generally, we generally notice by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we encourage that you read this document to find all the necessary information to solve an accessory belt noise on Volkswagen Golf 8.

I hear a loud noise from the alternator of my Volkswagen Golf 8

Hearing a loud noise from the alternator of your Volkswagen Golf 8 is quite common, in fact, it emits 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 encourage that you look into this document to find other ways to solve problem of noises from front end on Volkswagen Golf 8.