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 least you’ve already had that fear. So when you hear an alternator noise on Nissan Micra 5, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to support you locate the origins of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Nissan Micra 5 and then what the causes and solutions to alternator noise on Nissan Micra 5 may be.
Role and alternator operation Nissan Micra 5
Alternator role
Your alternator is an important component of your Nissan Micra 5. In fact, its objective is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of charging 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 rotating creates electricity. It is the engine itself that will provide the energy requested by the alternator to create the energy, via the accessory belt or alternator belt. When your Nissan Micra 5 engine stops, the battery takes over to provide the vehicle with energy.
What are the several alternator noises or sounds on my Nissan Micra 5 and what are the causes?
I perceive a knocking noise originating from the alternator of my Nissan Micra 5
One of the characteristic noises of a tired alternator on Nissan Micra 5 is a knocking noise. This alternator sound on Nissan Micra 5 will most of the time show up when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical elements such as headlights for example. In most cases, it is a of both bearings of the alternator that is defective, to verify it, use a multimeter on the terminals of your vehicle 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 Micra 5 is tired and you should consider swapping the bearing if it is the only reason otherwise the whole part.
I hear a grinding noise coming from the alternator of my Nissan Micra 5
If you are in the case where the alternator of your Nissan Micra 5 produces 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, however , in most cases, we often notice by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we advise that you look for advice this article to find all the necessary information to solve an accessory belt noise on Nissan Micra 5.
I hear a loud noise from the alternator of my Nissan Micra 5
Hearing a loud noise from the alternator of your Nissan Micra 5 is quite common, in fact, it emits 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 advise that you look into this article to find other ways to solve problem of noises from front end on Nissan Micra 5.
