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 , certainly you’ve already had that fear. So when you discover an alternator noise on Toyota Land Cruiser Serie 120, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this content to support you locate the origins of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Toyota Land Cruiser Serie 120 and then what the causes and solutions to alternator noise on Toyota Land Cruiser Serie 120 may be.
Role and alternator operation Toyota Land Cruiser Serie 120
Alternator role
Your alternator is an vital part of your Toyota Land Cruiser Serie 120. Indeed, its mission is to provide 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 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 rotating creates electricity. It is the engine motor itself that will give the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Toyota Land Cruiser Serie 120 engine stops, the battery takes over to give the car with energy.
What are the several alternator noises or sounds on my Toyota Land Cruiser Serie 120 and what are the causes?
I notice a knocking noise caused by the alternator of my Toyota Land Cruiser Serie 120
One of the characteristic noises of a tired alternator on Toyota Land Cruiser Serie 120 is a knocking noise. This alternator sound on Toyota Land Cruiser Serie 120 will generally appear when your engine is idling, it can be linked to voltage drops that could disturb 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 defective, to check it, use a multimeter on the terminals of your car 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 Land Cruiser Serie 120 is tired and you should consider replacing the bearing if it is the only cause otherwise the complete part.
I discover a grinding noise coming from the alternator of my Toyota Land Cruiser Serie 120
If you are in the case where the alternator of your Toyota Land Cruiser Serie 120 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, however , in general, we generally realise by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we suggest that you consult this article to find all the necessary information to solve an accessory belt noise on Toyota Land Cruiser Serie 120.
I discover a loud noise from the alternator of my Toyota Land Cruiser Serie 120
Hearing a loud noise from the alternator of your Toyota Land Cruiser Serie 120 is quite common, in fact, it emits an audible sound when creating the electrical pulses it generates. It is up to you to check 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 suggest that you have a look this article to find other ways to solve problem of noises from front end on Toyota Land Cruiser Serie 120.
