Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If that didn’t happen to you, perhaps you’ve already had that fear. So when you discover an alternator noise on Nissan Micra, 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 support you find the origins of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Nissan Micra and then what the causes and solutions to alternator noise on Nissan Micra may be.
Role and alternator operation Nissan Micra
Alternator role
Your alternator is an vital part of your Nissan Micra. Indeed, its mission is to generate 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 let you to always have a sufficient 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 spinning produces 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 engine stops, the battery takes over to provide the automobile with energy.
What are the different alternator noises or sounds on my Nissan Micra and what are the causes?
I find out a knocking noise from the alternator of my Nissan Micra
One of the typical noises of a tired alternator on Nissan Micra is a knocking noise. This alternator sound on Nissan Micra will most of the time occur when your engine is idling, it can be linked to voltage drops that could disturb 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 malfunctioning, to verify it, use a multimeter on the terminals of your automobile 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 Micra is tired and you should consider swapping the bearing if it is the only cause otherwise the whole part.
I discover a grinding noise coming from the alternator of my Nissan Micra
If you are in the situation where the alternator of your Nissan Micra generates grinding sounds, in this circumstance you will have to look at it more seriously. This sign can testify as for the knocking sound of a tired bearing, however , in general, we generally realize by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we recommend that you look for advice this document to find all the necessary information to solve an accessory belt noise on Nissan Micra.
I discover a loud noise from the alternator of my Nissan Micra
Experiencing a loud noise from the alternator of your Nissan Micra is quite typical, in fact, it emits an audible sound when producing 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 document to find other ways to solve problem of noises from front end on Nissan Micra.
