Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If it never happened to you , perhaps you’ve already had that fear. So when you discover an alternator noise on Toyota Auris, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this article to support you find the sources of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Toyota Auris and then what the causes and solutions to alternator noise on Toyota Auris may be.
Role and alternator operation Toyota Auris
Alternator role
Your alternator is an vital part of your Toyota Auris. Indeed, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission 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 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 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 required by the alternator to create the energy, via the accessory belt or alternator belt. When your Toyota Auris engine stops, the battery takes over to furnish the vehicle with energy.
What are the several alternator noises or sounds on my Toyota Auris and what are the causes?
I hear a knocking noise from the alternator of my Toyota Auris
One of the typical noises of a tired alternator on Toyota Auris is a knocking noise. This alternator sound on Toyota Auris will generally happen when your engine is idling, it can be associated with voltage drops that could disturb the normal operation of electrical components such as headlights for example. Often, it is a of both bearings of the alternator that is malfunctioning, to check it, use a multimeter on the terminals of your vehicle with the engine running and you must obtain 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 Toyota Auris is tired and you should think about changing the bearing if it is the only cause otherwise the complete part.
I discover a grinding noise coming from the alternator of my Toyota Auris
If you are in the case where the alternator of your Toyota Auris produces 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, however , generally, we generally realize by looking more closely 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 look for advice this article to find all the necessary information to solve an accessory belt noise on Toyota Auris.
I discover a loud noise from the alternator of my Toyota Auris
Hearing a loud noise from the alternator of your Toyota Auris is quite normal, in fact, it emits an audible sound when producing the electrical pulses it generates. It is up to you to check 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 go to this article to find other ways to solve problem of noises from front end on Toyota Auris.
