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 fear. So when you find out an alternator noise on Volkswagen Crafter 2, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this content to help you locate the origins of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Volkswagen Crafter 2 and then what the causes and solutions to alternator noise on Volkswagen Crafter 2 may be.
Role and alternator operation Volkswagen Crafter 2
Alternator role
Your alternator is an vital component of your Volkswagen Crafter 2. In fact, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging 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 source to be able to restart the next time.
Alternator functioning
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The alternator works on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine itself that will provide the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Volkswagen Crafter 2 engine stops, the battery takes over to provide the vehicle with energy.
What are the distinctive alternator noises or sounds on my Volkswagen Crafter 2 and what are the causes?
I hear a knocking noise from the alternator of my Volkswagen Crafter 2
One of the typical noises of a tired alternator on Volkswagen Crafter 2 is a knocking noise. This alternator sound on Volkswagen Crafter 2 will generally happen when your engine is idling, it can be connected to voltage drops that could affect the normal operation of electrical parts such as headlights for example. In most cases, it is a of both bearings of the alternator that is faulty, to examine it, use a multimeter on the terminals of your vehicle 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 Crafter 2 is tired and you should consider replacing the bearing if it is the only cause otherwise the whole part.
I find out a grinding noise coming from the alternator of my Volkswagen Crafter 2
If you are in the case where the alternator of your Volkswagen Crafter 2 generates grinding sounds, in this circumstance you will have to look into it more seriously. This sign can testify as for the knocking sound of a tired bearing, but usually, we generally realise by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the cause 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 Crafter 2.
I find out a loud noise from the alternator of my Volkswagen Crafter 2
Listening a loud noise from the alternator of your Volkswagen Crafter 2 is quite regular, in fact, it emits an audible sound when producing 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 encourage that you take a look at this content to find other ways to solve problem of noises from front end on Volkswagen Crafter 2.
