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 , at minimum you’ve already had that apprehension. So when you listen to an alternator noise on Citroen Nemo, you can already see yourself breaking down, stuck waiting for 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 see the role and operation of the alternator in your Citroen Nemo and then what the causes and solutions to alternator noise on Citroen Nemo may be.alternator-noise-citroen-nemo

Role and alternator operation Citroen Nemo

Alternator role

Your alternator is an fundamental part of your Citroen Nemo. In fact, its objective is to generate 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 let you to always have a sufficient energy source to be able to restart the next time.

Alternator functioning

>
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 creates electricity. It is the engine itself that will furnish the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Citroen Nemo engine stops, the battery takes over to furnish the car with energy.

What are the different alternator noises or sounds on my Citroen Nemo and what are the causes?

I find out a knocking noise from the alternator of my Citroen Nemo

One of the typical noises of a tired alternator on Citroen Nemo is a knocking noise. This alternator sound on Citroen Nemo will most of the time appear when your engine is idling, it can be connected to voltage drops that could affect the normal operation of electrical elements such as headlights for example. In general, it is a of both bearings of the alternator that is faulty, to verify 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 Citroen Nemo is tired and you should think about changing the bearing if it is the only cause otherwise the whole part.

I listen to a grinding noise coming from the alternator of my Citroen Nemo

If you are in the situation where the alternator of your Citroen Nemo causes grinding sounds, in this case you will have to check it more seriously. This sign can testify as for the knocking sound of a tired bearing, but in most cases, we often realise 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 recommend that you look for advice this article to find all the necessary details to solve an accessory belt noise on Citroen Nemo.

I listen to a loud noise from the alternator of my Citroen Nemo

Listening a loud noise from the alternator of your Citroen Nemo is quite normal, 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 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 recommend that you have a look this article to find other ways to solve problem of noises from front end on Citroen Nemo.