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 least you’ve already had that fear. So when you find out an alternator noise on Toyota Yaris 2, 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 help you find the sources of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Toyota Yaris 2 and then what the causes and solutions to alternator noise on Toyota Yaris 2 may be.
Role and alternator operation Toyota Yaris 2
Alternator role
Your alternator is an essential part of your Toyota Yaris 2. Indeed, its objective is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of charging the battery once the automobile is in motion, to provide power to the automobile 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 operates 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 motor itself that will furnish the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your Toyota Yaris 2 engine stops, the battery takes over to furnish the automobile with energy.
What are the different alternator noises or sounds on my Toyota Yaris 2 and what are the causes?
I hear a knocking noise coming from the alternator of my Toyota Yaris 2
One of the characteristic noises of a tired alternator on Toyota Yaris 2 is a knocking noise. This alternator sound on Toyota Yaris 2 will generally appear when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical components such as headlights for example. Most often, it is a of both bearings of the alternator that is faulty, to check it, use a multimeter on the terminals of your automobile with the engine running and you must look for 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 Toyota Yaris 2 is tired and you should think about changing the bearing if it is the only reason otherwise the whole part.
I find out a grinding noise coming from the alternator of my Toyota Yaris 2
If you are in the situation where the alternator of your Toyota Yaris 2 generates grinding sounds, in this case you will have to check it more seriously. This sign can testify as for the knocking sound of a tired bearing, however , generally, we generally see 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 recommend that you look for advice this document to find all the necessary details to solve an accessory belt noise on Toyota Yaris 2.
I find out a loud noise from the alternator of my Toyota Yaris 2
Experiencing a loud noise from the alternator of your Toyota Yaris 2 is quite normal, 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 recommend that you take a look at this document to find other ways to solve problem of noises from front end on Toyota Yaris 2.
