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 , perhaps you’ve already had that fear. So when you discover an alternator noise on Volkswagen Transporter 4, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this article to help you find the sources of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Volkswagen Transporter 4 and then what the causes and solutions to alternator noise on Volkswagen Transporter 4 may be.
Role and alternator operation Volkswagen Transporter 4
Alternator role
Your alternator is an essential part of your Volkswagen Transporter 4. In fact, its objective 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 car is in motion, to provide power to the car in motion and to allow you to always have a sufficient energy source 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 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 Transporter 4 engine stops, the battery takes over to furnish the car with energy.
What are the distinctive alternator noises or sounds on my Volkswagen Transporter 4 and what are the causes?
I find out a knocking noise caused by the alternator of my Volkswagen Transporter 4
One of the characteristic noises of a tired alternator on Volkswagen Transporter 4 is a knocking noise. This alternator sound on Volkswagen Transporter 4 will most of the time occur when your engine is idling, it can be connected 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 defective, to verify it, use a multimeter on the terminals of your car with the engine running and you must look for 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 Transporter 4 is tired and you should consider swapping the bearing if it is the only reason otherwise the whole part.
I discover a grinding noise coming from the alternator of my Volkswagen Transporter 4
If you are in the case where the alternator of your Volkswagen Transporter 4 causes grinding sounds, in this case you will have to look into it more seriously. This sign can testify as for the knocking sound of a tired bearing, however , usually, we often notice by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we recommend that you look for advice this content to find all the necessary details to solve an accessory belt noise on Volkswagen Transporter 4.
I discover a loud noise from the alternator of my Volkswagen Transporter 4
Experiencing a loud noise from the alternator of your Volkswagen Transporter 4 is quite common, in fact, it emits an audible sound when producing the electrical pulses it generates. It is up to you to verify 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 recommend that you check out this content to find other ways to solve problem of noises from front end on Volkswagen Transporter 4.
