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 apprehension. So when you discover an alternator noise on hyundai i20, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this content 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 hyundai i20 and then what the causes and solutions to alternator noise on hyundai i20 may be.alternator-noise-hyundai-i20

Role and alternator operation hyundai i20

Alternator role

Your alternator is an important part of your hyundai i20. In fact, its mission is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of recharging the battery once the vehicle is in motion, to provide power to the vehicle 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 concept of copper coil wound around a magnet . This coil while rotating generates electricity. It is the engine motor itself that will furnish the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your hyundai i20 engine stops, the battery takes over to furnish the vehicle with energy.

What are the different alternator noises or sounds on my hyundai i20 and what are the causes?

I hear a knocking noise caused by the alternator of my hyundai i20

One of the characteristic noises of a tired alternator on hyundai i20 is a knocking noise. This alternator sound on hyundai i20 will most of the time show up when your engine is idling, it can be associated with voltage drops that could affect the normal operation of electrical components such as headlights for example. In many cases, 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 recharging your battery well. If the value is lower, the alternator of your hyundai i20 is tired and you should consider swapping the bearing if it is the only reason otherwise the entire part.

I discover a grinding noise coming from the alternator of my hyundai i20

If you are in the situation where the alternator of your hyundai i20 causes 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 , usually, we generally see by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we encourage that you read this article to find all the necessary details to solve an accessory belt noise on hyundai i20.

I discover a loud noise from the alternator of my hyundai i20

Hearing a loud noise from the alternator of your hyundai i20 is quite typical, in fact, it produces 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 encourage that you take a look at this article to find other ways to solve problem of noises from front end on hyundai i20.