Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If that didn’t happen to you, certainly you’ve already had that apprehension. So when you perceive an alternator noise on Audi Rs4, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this post to help you locate the sources of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Audi Rs4 and then what the causes and solutions to alternator noise on Audi Rs4 may be.
Role and alternator operation Audi Rs4
Alternator role
Your alternator is an important part of your Audi Rs4. In fact, its objective 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 automobile is in motion, to provide power to the automobile in motion and to allow you to always have a enough energy source 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 creates electricity. It is the engine itself that will furnish the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your Audi Rs4 engine stops, the battery takes over to furnish the automobile with energy.
What are the several alternator noises or sounds on my Audi Rs4 and what are the causes?
I notice a knocking noise from the alternator of my Audi Rs4
One of the typical noises of a tired alternator on Audi Rs4 is a knocking noise. This alternator sound on Audi Rs4 will generally appear when your engine is idling, it can be connected to voltage drops that could affect the normal operation of electrical elements such as headlights for example. In many cases, it is a of both bearings of the alternator that is malfunctioning, 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 Audi Rs4 is tired and you should think about changing the bearing if it is the only reason otherwise the whole part.
I perceive a grinding noise coming from the alternator of my Audi Rs4
If you are in the case where the alternator of your Audi Rs4 generates grinding sounds, in this case you will have to check it more seriously. This warning sign can testify as for the knocking sound of a tired bearing, but in most cases, we often realise by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we suggest that you consult this document to find all the necessary information to solve an accessory belt noise on Audi Rs4.
I perceive a loud noise from the alternator of my Audi Rs4
Experiencing a loud noise from the alternator of your Audi Rs4 is quite normal, 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 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 look into this document to find other ways to solve problem of noises from front end on Audi Rs4.
