Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to 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 Avensis, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to support you find the origins of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Toyota Avensis and then what the causes and solutions to alternator noise on Toyota Avensis may be.
Role and alternator operation Toyota Avensis
Alternator role
Your alternator is an essential part of your Toyota Avensis. In fact, its task is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of charging 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 works on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning produces electricity. It is the engine motor itself that will provide the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Toyota Avensis engine stops, the battery takes over to provide the vehicle with energy.
What are the distinctive alternator noises or sounds on my Toyota Avensis and what are the causes?
I listen to a knocking noise caused by the alternator of my Toyota Avensis
One of the characteristic noises of a tired alternator on Toyota Avensis is a knocking noise. This alternator sound on Toyota Avensis 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. Most often, it is a of both bearings of the alternator that is faulty, to examine 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 charging your battery well. If the value is lower, the alternator of your Toyota Avensis is tired and you should consider changing the bearing if it is the only cause otherwise the whole part.
I find out a grinding noise coming from the alternator of my Toyota Avensis
If you are in the case where the alternator of your Toyota Avensis produces grinding sounds, in this circumstance 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 often see by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we advise that you consult this document to find all the necessary details to solve an accessory belt noise on Toyota Avensis.
I find out a loud noise from the alternator of my Toyota Avensis
Listening a loud noise from the alternator of your Toyota Avensis is quite normal, in fact, it emits an audible sound when creating the electrical pulses it generates. It is up to you to examine 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 advise that you have a look this document to find other ways to solve problem of noises from front end on Toyota Avensis.
