Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If it never happened to you , perhaps you’ve already had that apprehension. So when you hear an alternator noise on Toyota Hilux, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to support you find the sources of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Toyota Hilux and then what the causes and solutions to alternator noise on Toyota Hilux may be.
Role and alternator operation Toyota Hilux
Alternator role
Your alternator is an essential part of your Toyota Hilux. In fact, its goal 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 car is in motion, to provide power to the car in motion and to allow you to always have a enough energy source 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 concept of copper coil wound around a magnet . This coil while spinning produces electricity. It is the engine itself that will give the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Toyota Hilux engine stops, the battery takes over to give the car with energy.
What are the several alternator noises or sounds on my Toyota Hilux and what are the causes?
I perceive a knocking noise from the alternator of my Toyota Hilux
One of the typical noises of a tired alternator on Toyota Hilux is a knocking noise. This alternator sound on Toyota Hilux 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 malfunctioning, to verify 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 charging your battery well. If the value is lower, the alternator of your Toyota Hilux is tired and you should consider swapping the bearing if it is the only cause otherwise the complete part.
I hear a grinding noise coming from the alternator of my Toyota Hilux
If you are in the case where the alternator of your Toyota Hilux generates grinding sounds, in this circumstance you will have to look into it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but usually, we generally realize by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we encourage that you look for advice this article to find all the necessary details to solve an accessory belt noise on Toyota Hilux.
I hear a loud noise from the alternator of my Toyota Hilux
Listening a loud noise from the alternator of your Toyota Hilux is quite regular, in fact, it emits an audible sound when creating 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 encourage that you go to this article to find other ways to solve problem of noises from front end on Toyota Hilux.
