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 , at minimum you’ve already had that apprehension. So when you find out an alternator noise on Lexus CT, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this article 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 Lexus CT and then what the causes and solutions to alternator noise on Lexus CT may be.
Role and alternator operation Lexus CT
Alternator role
Your alternator is an important part of your Lexus CT. In fact, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of recharging 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 operates on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while rotating generates electricity. It is the engine motor itself that will give the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Lexus CT engine stops, the battery takes over to give the vehicle with energy.
What are the distinctive alternator noises or sounds on my Lexus CT and what are the causes?
I hear a knocking noise originating from the alternator of my Lexus CT
One of the typical noises of a tired alternator on Lexus CT is a knocking noise. This alternator sound on Lexus CT will most of the time happen when your engine is idling, it can be associated with voltage drops that could disturb the normal operation of electrical elements such as headlights for example. In most cases, it is a of both bearings of the alternator that is defective, to verify 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 recharging your battery well. If the value is lower, the alternator of your Lexus CT is tired and you should think about swapping the bearing if it is the only reason otherwise the complete part.
I find out a grinding noise coming from the alternator of my Lexus CT
If you are in the situation where the alternator of your Lexus CT causes grinding sounds, in this circumstance you will have to look into it more seriously. This sign can testify as for the knocking sound of a tired bearing, but in most cases, we often notice by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we advise that you read this document to find all the necessary information to solve an accessory belt noise on Lexus CT.
I find out a loud noise from the alternator of my Lexus CT
Listening a loud noise from the alternator of your Lexus CT is quite typical, in fact, it produces 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 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 go to this document to find other ways to solve problem of noises from front end on Lexus CT.
