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 apprehension. So when you hear an alternator noise on Toyota Hilux 4, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this content to help you find the sources of alternator sounds. In this article, you will first see the role and functions of the alternator in your Toyota Hilux 4 and then what the causes and solutions to alternator noise on Toyota Hilux 4 may be.
Role and alternator operation Toyota Hilux 4
Alternator role
Your alternator is an important component of your Toyota Hilux 4. Indeed, its objective 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 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 creates electricity. It is the engine motor itself that will give the energy required by the alternator to generate the energy, via the accessory belt or alternator belt. When your Toyota Hilux 4 engine stops, the battery takes over to give the automobile with energy.
What are the distinctive alternator noises or sounds on my Toyota Hilux 4 and what are the causes?
I hear a knocking noise from the alternator of my Toyota Hilux 4
One of the typical noises of a tired alternator on Toyota Hilux 4 is a knocking noise. This alternator sound on Toyota Hilux 4 will generally show up when your engine is idling, it can be associated with voltage drops that could affect 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 malfunctioning, to examine 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 Hilux 4 is tired and you should consider replacing the bearing if it is the only reason otherwise the complete part.
I hear a grinding noise coming from the alternator of my Toyota Hilux 4
If you are in the case where the alternator of your Toyota Hilux 4 produces grinding sounds, in this circumstance you will have to look at it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but usually, we generally see by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we suggest that you read this content to find all the necessary details to solve an accessory belt noise on Toyota Hilux 4.
I hear a loud noise from the alternator of my Toyota Hilux 4
Listening a loud noise from the alternator of your Toyota Hilux 4 is quite normal, in fact, it produces an audible sound when producing 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 suggest that you read this content to find other ways to solve problem of noises from front end on Toyota Hilux 4.
