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, at minimum you’ve already had that fear. So when you notice an alternator noise on Nissan Pulsar, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to support you find the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Nissan Pulsar and then what the causes and solutions to alternator noise on Nissan Pulsar may be.
Role and alternator operation Nissan Pulsar
Alternator role
Your alternator is an essential component of your Nissan Pulsar. Indeed, its goal 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 car is in motion, to provide power to the car in motion and to allow you to always have a sufficient energy source to be able to restart the next time.
Alternator functioning
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The alternator functions 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 itself that will furnish the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Nissan Pulsar engine stops, the battery takes over to furnish the car with energy.
What are the different alternator noises or sounds on my Nissan Pulsar and what are the causes?
I hear a knocking noise from the alternator of my Nissan Pulsar
One of the typical noises of a tired alternator on Nissan Pulsar is a knocking noise. This alternator sound on Nissan Pulsar will most of the time happen 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. Most often, it is a of both bearings of the alternator that is defective, to verify it, use a multimeter on the terminals of your car 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 Pulsar is tired and you should think about replacing the bearing if it is the only cause otherwise the entire part.
I notice a grinding noise coming from the alternator of my Nissan Pulsar
If you are in the case where the alternator of your Nissan Pulsar generates grinding sounds, in this case you will have to look into it more seriously. This indicator can testify as for the knocking sound of a tired bearing, however , generally, we generally see by looking more carefully 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 read this content to find all the necessary details to solve an accessory belt noise on Nissan Pulsar.
I notice a loud noise from the alternator of my Nissan Pulsar
Finding out a loud noise from the alternator of your Nissan Pulsar is quite typical, 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 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 recommend that you take a look at this content to find other ways to solve problem of noises from front end on Nissan Pulsar.
