Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If that didn’t happen to you, at least you’ve already had that apprehension. So when you notice an alternator noise on Hyundai Elantra, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this post to help you find the origins of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Hyundai Elantra and then what the causes and solutions to alternator noise on Hyundai Elantra may be.
Role and alternator operation Hyundai Elantra
Alternator role
Your alternator is an vital part of your Hyundai Elantra. Indeed, its mission is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of recharging 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 reserve to be able to restart the next time.
Alternator functioning
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The alternator operates on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while rotating makes electricity. It is the engine motor itself that will give the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Hyundai Elantra engine stops, the battery takes over to give the car with energy.
What are the several alternator noises or sounds on my Hyundai Elantra and what are the causes?
I hear a knocking noise originating from the alternator of my Hyundai Elantra
One of the typical noises of a tired alternator on Hyundai Elantra is a knocking noise. This alternator sound on Hyundai Elantra will most of the time appear when your engine is idling, it can be connected to voltage drops that could disturb the normal operation of electrical components such as headlights for example. Most often, it is a of both bearings of the alternator that is malfunctioning, to check 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 recharging your battery well. If the value is lower, the alternator of your Hyundai Elantra is tired and you should think about changing the bearing if it is the only reason otherwise the whole part.
I notice a grinding noise coming from the alternator of my Hyundai Elantra
If you are in the situation where the alternator of your Hyundai Elantra generates grinding sounds, in this case you will have to look at it more seriously. This indicator can testify as for the knocking sound of a tired bearing, but in general, we often notice by looking more strongly 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 look for advice this document to find all the necessary information to solve an accessory belt noise on Hyundai Elantra.
I notice a loud noise from the alternator of my Hyundai Elantra
Hearing a loud noise from the alternator of your Hyundai Elantra is quite common, in fact, it produces an audible sound when creating the electrical pulses it generates. It is up to you to check 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 encourage that you go to this document to find other ways to solve problem of noises from front end on Hyundai Elantra.
