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 Chevrolet Impala, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to help you find the sources of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Chevrolet Impala and then what the causes and solutions to alternator noise on Chevrolet Impala may be.
Role and alternator operation Chevrolet Impala
Alternator role
Your alternator is an vital component of your Chevrolet Impala. In fact, its objective is to give 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 functions on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while rotating produces electricity. It is the engine motor itself that will furnish the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Chevrolet Impala engine stops, the battery takes over to furnish the vehicle with energy.
What are the several alternator noises or sounds on my Chevrolet Impala and what are the causes?
I notice a knocking noise coming from the alternator of my Chevrolet Impala
One of the typical noises of a tired alternator on Chevrolet Impala is a knocking noise. This alternator sound on Chevrolet Impala will generally occur when your engine is idling, it can be linked to voltage drops that could affect the normal operation of electrical elements such as headlights for example. Often, it is a of both bearings of the alternator that is malfunctioning, to check 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 Chevrolet Impala is tired and you should consider changing the bearing if it is the only cause otherwise the entire part.
I hear a grinding noise coming from the alternator of my Chevrolet Impala
If you are in the case where the alternator of your Chevrolet Impala generates grinding sounds, in this circumstance you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but in most cases, we generally notice 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 look for advice this document to find all the necessary information to solve an accessory belt noise on Chevrolet Impala.
I hear a loud noise from the alternator of my Chevrolet Impala
Finding out a loud noise from the alternator of your Chevrolet Impala is quite typical, 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 look into this document to find other ways to solve problem of noises from front end on Chevrolet Impala.
