Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If it never happened to you , perhaps you’ve already had that fear. So when you perceive an alternator noise on Volkswagen Crafter, 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 support you locate the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Volkswagen Crafter and then what the causes and solutions to alternator noise on Volkswagen Crafter may be.
Role and alternator operation Volkswagen Crafter
Alternator role
Your alternator is an essential component of your Volkswagen Crafter. In fact, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission 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 sufficient energy reserve 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 concept of copper coil wound around a magnet . This coil while rotating generates electricity. It is the engine itself that will give the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen Crafter engine stops, the battery takes over to give the automobile with energy.
What are the distinctive alternator noises or sounds on my Volkswagen Crafter and what are the causes?
I hear a knocking noise caused by the alternator of my Volkswagen Crafter
One of the characteristic noises of a tired alternator on Volkswagen Crafter is a knocking noise. This alternator sound on Volkswagen Crafter will most of the time show up when your engine is idling, it can be associated with voltage drops that could affect the normal operation of electrical components such as headlights for example. In most cases, 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 Crafter is tired and you should consider swapping the bearing if it is the only cause otherwise the whole part.
I perceive a grinding noise coming from the alternator of my Volkswagen Crafter
If you are in the case where the alternator of your Volkswagen Crafter causes grinding sounds, in this circumstance you will have to look at it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , in general, we generally realize by looking more closely 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 consult this document to find all the necessary information to solve an accessory belt noise on Volkswagen Crafter.
I perceive a loud noise from the alternator of my Volkswagen Crafter
Hearing a loud noise from the alternator of your Volkswagen Crafter is quite typical, 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 look into this document to find other ways to solve problem of noises from front end on Volkswagen Crafter.
