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 , at minimum you’ve already had that fear. So when you find out an alternator noise on Toyota Auris 2, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this content to help you find the sources of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Toyota Auris 2 and then what the causes and solutions to alternator noise on Toyota Auris 2 may be.
Role and alternator operation Toyota Auris 2
Alternator role
Your alternator is an important part of your Toyota Auris 2. In fact, its task is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging the battery once the car is in motion, to provide power to the car 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 operates on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine motor itself that will provide the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Toyota Auris 2 engine stops, the battery takes over to provide the car with energy.
What are the different alternator noises or sounds on my Toyota Auris 2 and what are the causes?
I listen to a knocking noise caused by the alternator of my Toyota Auris 2
One of the typical noises of a tired alternator on Toyota Auris 2 is a knocking noise. This alternator sound on Toyota Auris 2 will generally occur 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. In many cases, it is a of both bearings of the alternator that is faulty, 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 Toyota Auris 2 is tired and you should think about replacing the bearing if it is the only reason otherwise the complete part.
I find out a grinding noise coming from the alternator of my Toyota Auris 2
If you are in the situation where the alternator of your Toyota Auris 2 produces grinding sounds, in this case you will have to look at it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , usually, we generally notice by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we suggest that you look for advice this article to find all the necessary details to solve an accessory belt noise on Toyota Auris 2.
I find out a loud noise from the alternator of my Toyota Auris 2
Experiencing a loud noise from the alternator of your Toyota Auris 2 is quite common, 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 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 suggest that you read this article to find other ways to solve problem of noises from front end on Toyota Auris 2.
