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 fear. So when you hear an alternator noise on Lexus GS, you can already imagine 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 see the role and functions of the alternator in your Lexus GS and then what the causes and solutions to alternator noise on Lexus GS may be.
Role and alternator operation Lexus GS
Alternator role
Your alternator is an essential component of your Lexus GS. In fact, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of charging 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 rotating generates electricity. It is the engine motor itself that will give the energy needed by the alternator to generate the energy, via the accessory belt or alternator belt. When your Lexus GS engine stops, the battery takes over to give the automobile with energy.
What are the distinctive alternator noises or sounds on my Lexus GS and what are the causes?
I listen to a knocking noise coming from the alternator of my Lexus GS
One of the typical noises of a tired alternator on Lexus GS is a knocking noise. This alternator sound on Lexus GS will most of the time show up when your engine is idling, it can be linked to voltage drops that could disturb the normal operation of electrical parts 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 automobile 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 Lexus GS is tired and you should consider changing the bearing if it is the only cause otherwise the complete part.
I hear a grinding noise coming from the alternator of my Lexus GS
If you are in the case where the alternator of your Lexus GS produces grinding sounds, in this case 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 case, we encourage that you consult this article to find all the necessary information to solve an accessory belt noise on Lexus GS.
I hear a loud noise from the alternator of my Lexus GS
Experiencing a loud noise from the alternator of your Lexus GS is quite regular, 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 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 read this article to find other ways to solve problem of noises from front end on Lexus GS.
