Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If that didn’t happen to you, certainly you’ve already had that apprehension. So when you notice an alternator noise on Nissan NV200, you can already see yourself breaking down, stuck awaiting 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 Nissan NV200 and then what the causes and solutions to alternator noise on Nissan NV200 may be.alternator-noise-nissan-nv200

Role and alternator operation Nissan NV200

Alternator role

Your alternator is an important component of your Nissan NV200. Indeed, its task is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of recharging the battery once the vehicle is in motion, to provide power to the vehicle in motion and to let you to always have a enough 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 principle of copper coil wound around a magnet . This coil while spinning generates electricity. It is the engine itself that will provide the energy required by the alternator to generate the energy, via the accessory belt or alternator belt. When your Nissan NV200 engine stops, the battery takes over to provide the vehicle with energy.

What are the distinctive alternator noises or sounds on my Nissan NV200 and what are the causes?

I perceive a knocking noise coming from the alternator of my Nissan NV200

One of the typical noises of a tired alternator on Nissan NV200 is a knocking noise. This alternator sound on Nissan NV200 will most of the time occur when your engine is idling, it can be associated with voltage drops that could affect the normal operation of electrical parts such as headlights for example. In many cases, it is a of both bearings of the alternator that is malfunctioning, to verify it, use a multimeter on the terminals of your vehicle 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 Nissan NV200 is tired and you should think about replacing the bearing if it is the only cause otherwise the entire part.

I notice a grinding noise coming from the alternator of my Nissan NV200

If you are in the situation where the alternator of your Nissan NV200 generates grinding sounds, in this case you will have to check it more seriously. This indicator can testify as for the knocking sound of a tired bearing, but in most cases, we often notice by looking more meticulously 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 look for advice this content to find all the necessary information to solve an accessory belt noise on Nissan NV200.

I notice a loud noise from the alternator of my Nissan NV200

Finding out a loud noise from the alternator of your Nissan NV200 is quite regular, in fact, it produces an audible sound when creating 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 advise that you look into this content to find other ways to solve problem of noises from front end on Nissan NV200.