Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If it never happened to you , certainly you’ve already had that apprehension. So when you listen to an alternator noise on Nissan Micra 4, you can already imagine yourself breaking down, stuck awaiting 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 see the role and operation of the alternator in your Nissan Micra 4 and then what the causes and solutions to alternator noise on Nissan Micra 4 may be.
Role and alternator operation Nissan Micra 4
Alternator role
Your alternator is an vital part of your Nissan Micra 4. In fact, its mission is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of charging 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 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 concept of copper coil wound around a magnet . This coil while rotating creates electricity. It is the engine itself that will provide the energy needed by the alternator to generate the energy, via the accessory belt or alternator belt. When your Nissan Micra 4 engine stops, the battery takes over to provide the vehicle with energy.
What are the several alternator noises or sounds on my Nissan Micra 4 and what are the causes?
I find out a knocking noise from the alternator of my Nissan Micra 4
One of the characteristic noises of a tired alternator on Nissan Micra 4 is a knocking noise. This alternator sound on Nissan Micra 4 will generally occur when your engine is idling, it can be linked to voltage drops that could disturb the normal operation of electrical parts 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 vehicle with the engine running and you must get 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 4 is tired and you should consider replacing the bearing if it is the only reason otherwise the entire part.
I listen to a grinding noise coming from the alternator of my Nissan Micra 4
If you are in the case where the alternator of your Nissan Micra 4 generates grinding sounds, in this case you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but in general, we generally realise by looking more closely that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we encourage that you read this article to find all the necessary information to solve an accessory belt noise on Nissan Micra 4.
I listen to a loud noise from the alternator of my Nissan Micra 4
Hearing a loud noise from the alternator of your Nissan Micra 4 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 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 encourage that you go to this article to find other ways to solve problem of noises from front end on Nissan Micra 4.
