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 least you’ve already had that apprehension. So when you hear an alternator noise on Volkswagen Transporter 5, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to help you find the origins of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Volkswagen Transporter 5 and then what the causes and solutions to alternator noise on Volkswagen Transporter 5 may be.
Role and alternator operation Volkswagen Transporter 5
Alternator role
Your alternator is an fundamental component of your Volkswagen Transporter 5. Indeed, its goal is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of charging the battery once the vehicle is in motion, to provide power to the vehicle 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 rotating makes electricity. It is the engine motor itself that will furnish the energy required by the alternator to generate the energy, via the accessory belt or alternator belt. When your Volkswagen Transporter 5 engine stops, the battery takes over to furnish the vehicle with energy.
What are the different alternator noises or sounds on my Volkswagen Transporter 5 and what are the causes?
I discover a knocking noise caused by the alternator of my Volkswagen Transporter 5
One of the characteristic noises of a tired alternator on Volkswagen Transporter 5 is a knocking noise. This alternator sound on Volkswagen Transporter 5 will most of the time occur when your engine is idling, it can be associated with voltage drops that could disrupt 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 vehicle with the engine running and you must look for 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 Transporter 5 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 Transporter 5
If you are in the situation where the alternator of your Volkswagen Transporter 5 generates grinding sounds, in this case you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but in general, we generally 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 advise that you consult this article to find all the necessary information to solve an accessory belt noise on Volkswagen Transporter 5.
I hear a loud noise from the alternator of my Volkswagen Transporter 5
Hearing a loud noise from the alternator of your Volkswagen Transporter 5 is quite regular, 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 advise that you have a look this article to find other ways to solve problem of noises from front end on Volkswagen Transporter 5.
