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 discover an alternator noise on Toyota Aygo, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this article to support you locate the origins of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Toyota Aygo and then what the causes and solutions to alternator noise on Toyota Aygo may be.
Role and alternator operation Toyota Aygo
Alternator role
Your alternator is an fundamental component of your Toyota Aygo. In fact, its goal is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging 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 reserve 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 creates electricity. It is the engine itself that will give the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Toyota Aygo engine stops, the battery takes over to give the automobile with energy.
What are the different alternator noises or sounds on my Toyota Aygo and what are the causes?
I find out a knocking noise coming from the alternator of my Toyota Aygo
One of the characteristic noises of a tired alternator on Toyota Aygo is a knocking noise. This alternator sound on Toyota Aygo will most of the time happen when your engine is idling, it can be connected to voltage drops that could affect the normal operation of electrical components such as headlights for example. In general, it is a of both bearings of the alternator that is faulty, to verify it, use a multimeter on the terminals of your automobile 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 Toyota Aygo is tired and you should think about replacing the bearing if it is the only cause otherwise the entire part.
I discover a grinding noise coming from the alternator of my Toyota Aygo
If you are in the case where the alternator of your Toyota Aygo produces grinding sounds, in this case you will have to look at it more seriously. This warning sign can testify as for the knocking sound of a tired bearing, however , in most cases, we generally realise 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 advise that you consult this content to find all the necessary details to solve an accessory belt noise on Toyota Aygo.
I discover a loud noise from the alternator of my Toyota Aygo
Experiencing a loud noise from the alternator of your Toyota Aygo is quite regular, in fact, it emits an audible sound when producing 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 advise that you check out this content to find other ways to solve problem of noises from front end on Toyota Aygo.
