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, at minimum you’ve already had that fear. So when you hear an alternator noise on Nissan NV, 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 locate the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Nissan NV and then what the causes and solutions to alternator noise on Nissan NV may be.alternator-noise-nissan-nv

Role and alternator operation Nissan NV

Alternator role

Your alternator is an vital component of your Nissan NV. In fact, its mission 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 car is in motion, to provide power to the car in motion and to allow you to always have a enough energy source to be able to restart the next time.

Alternator functioning

>
The alternator operates on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while rotating produces electricity. It is the engine motor itself that will provide the energy requested by the alternator to create the energy, via the accessory belt or alternator belt. When your Nissan NV engine stops, the battery takes over to provide the car with energy.

What are the different alternator noises or sounds on my Nissan NV and what are the causes?

I discover a knocking noise originating from the alternator of my Nissan NV

One of the typical noises of a tired alternator on Nissan NV is a knocking noise. This alternator sound on Nissan NV will most of the time show up when your engine is idling, it can be connected to voltage drops that could affect the normal operation of electrical components such as headlights for example. In many cases, it is a of both bearings of the alternator that is defective, to examine 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 charging your battery well. If the value is lower, the alternator of your Nissan NV is tired and you should consider replacing the bearing if it is the only reason otherwise the entire part.

I hear a grinding noise coming from the alternator of my Nissan NV

If you are in the case where the alternator of your Nissan NV causes grinding sounds, in this circumstance you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but 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 circumstance, we advise that you read this document to find all the necessary details to solve an accessory belt noise on Nissan NV.

I hear a loud noise from the alternator of my Nissan NV

Finding out a loud noise from the alternator of your Nissan NV is quite regular, in fact, it produces 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 take a look at this document to find other ways to solve problem of noises from front end on Nissan NV.