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 fear. So when you hear an alternator noise on Volkswagen Golf 6, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this article to help you locate the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Volkswagen Golf 6 and then what the causes and solutions to alternator noise on Volkswagen Golf 6 may be.alternator-noise-volkswagen-golf-6

Role and alternator operation Volkswagen Golf 6

Alternator role

Your alternator is an important component of your Volkswagen Golf 6. Indeed, its mission is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of charging 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 operates on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while rotating generates electricity. It is the engine itself that will furnish the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen Golf 6 engine stops, the battery takes over to furnish the car with energy.

What are the distinctive alternator noises or sounds on my Volkswagen Golf 6 and what are the causes?

I find out a knocking noise originating from the alternator of my Volkswagen Golf 6

One of the typical noises of a tired alternator on Volkswagen Golf 6 is a knocking noise. This alternator sound on Volkswagen Golf 6 will generally occur when your engine is idling, it can be associated with voltage drops that could disturb the normal operation of electrical elements such as headlights for example. 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 charging your battery well. If the value is lower, the alternator of your Volkswagen Golf 6 is tired and you should consider changing the bearing if it is the only cause otherwise the complete part.

I hear a grinding noise coming from the alternator of my Volkswagen Golf 6

If you are in the situation where the alternator of your Volkswagen Golf 6 generates 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 usually, we often realise by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we recommend that you read this document to find all the necessary details to solve an accessory belt noise on Volkswagen Golf 6.

I hear a loud noise from the alternator of my Volkswagen Golf 6

Finding out a loud noise from the alternator of your Volkswagen Golf 6 is quite common, 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 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 recommend that you go to this document to find other ways to solve problem of noises from front end on Volkswagen Golf 6.