Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If that didn’t happen to you, certainly you’ve already had that fear. So when you perceive an alternator noise on Volkswagen Golf 7, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this post to help you find the sources of alternator sounds. In this article, you will first see the role and functions of the alternator in your Volkswagen Golf 7 and then what the causes and solutions to alternator noise on Volkswagen Golf 7 may be.
Role and alternator operation Volkswagen Golf 7
Alternator role
Your alternator is an vital part of your Volkswagen Golf 7. In fact, its mission is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task 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 concept of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine itself that will give the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Volkswagen Golf 7 engine stops, the battery takes over to give the automobile with energy.
What are the different alternator noises or sounds on my Volkswagen Golf 7 and what are the causes?
I hear a knocking noise from the alternator of my Volkswagen Golf 7
One of the typical noises of a tired alternator on Volkswagen Golf 7 is a knocking noise. This alternator sound on Volkswagen Golf 7 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. Most often, 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 obtain 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 7 is tired and you should think about replacing the bearing if it is the only cause otherwise the whole part.
I perceive a grinding noise coming from the alternator of my Volkswagen Golf 7
If you are in the situation where the alternator of your Volkswagen Golf 7 causes grinding sounds, in this circumstance you will have to check it more seriously. This indicator can testify as for the knocking sound of a tired bearing, but generally, we often realise by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we suggest that you look for advice this article to find all the necessary information to solve an accessory belt noise on Volkswagen Golf 7.
I perceive a loud noise from the alternator of my Volkswagen Golf 7
Listening a loud noise from the alternator of your Volkswagen Golf 7 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 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 article to find other ways to solve problem of noises from front end on Volkswagen Golf 7.
