Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If it never happened to you , at minimum you’ve already had that fear. So when you hear an alternator noise on Volkswagen New Beetle, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this article to support you locate the sources of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Volkswagen New Beetle and then what the causes and solutions to alternator noise on Volkswagen New Beetle may be.
Role and alternator operation Volkswagen New Beetle
Alternator role
Your alternator is an essential part of your Volkswagen New Beetle. Indeed, its task is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission 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 sufficient 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 principle of copper coil wound around a magnet . This coil while spinning generates electricity. It is the engine itself that will give the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen New Beetle engine stops, the battery takes over to give the car with energy.
What are the several alternator noises or sounds on my Volkswagen New Beetle and what are the causes?
I perceive a knocking noise caused by the alternator of my Volkswagen New Beetle
One of the characteristic noises of a tired alternator on Volkswagen New Beetle is a knocking noise. This alternator sound on Volkswagen New Beetle will generally occur when your engine is idling, it can be connected to voltage drops that could affect the normal operation of electrical elements such as headlights for example. In many cases, it is a of both bearings of the alternator that is defective, to check 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 New Beetle is tired and you should think about changing the bearing if it is the only reason otherwise the entire part.
I hear a grinding noise coming from the alternator of my Volkswagen New Beetle
If you are in the situation where the alternator of your Volkswagen New Beetle produces grinding sounds, in this circumstance you will have to check it more seriously. This warning sign can testify as for the knocking sound of a tired bearing, but in general, we often realise by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we encourage that you look for advice this content to find all the necessary information to solve an accessory belt noise on Volkswagen New Beetle.
I hear a loud noise from the alternator of my Volkswagen New Beetle
Listening a loud noise from the alternator of your Volkswagen New Beetle is quite typical, in fact, it emits an audible sound when creating the electrical pulses it generates. It is up to you to check 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 go to this content to find other ways to solve problem of noises from front end on Volkswagen New Beetle.
