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 perceive an alternator noise on Citroen C4 Aircross, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this content to help you find the origins of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Citroen C4 Aircross and then what the causes and solutions to alternator noise on Citroen C4 Aircross may be.
Role and alternator operation Citroen C4 Aircross
Alternator role
Your alternator is an essential part of your Citroen C4 Aircross. In fact, its mission is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging the battery once the vehicle is in motion, to provide power to the vehicle 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 spinning creates electricity. It is the engine itself that will provide the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Citroen C4 Aircross engine stops, the battery takes over to provide the vehicle with energy.
What are the different alternator noises or sounds on my Citroen C4 Aircross and what are the causes?
I perceive a knocking noise coming from the alternator of my Citroen C4 Aircross
One of the typical noises of a tired alternator on Citroen C4 Aircross is a knocking noise. This alternator sound on Citroen C4 Aircross will most of the time appear when your engine is idling, it can be connected to voltage drops that could disrupt the normal operation of electrical parts such as headlights for example. In general, it is a of both bearings of the alternator that is faulty, to examine it, use a multimeter on the terminals of your vehicle with the engine running and you must get 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 Citroen C4 Aircross is tired and you should think about changing the bearing if it is the only cause otherwise the whole part.
I perceive a grinding noise coming from the alternator of my Citroen C4 Aircross
If you are in the situation where the alternator of your Citroen C4 Aircross 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, but usually, we often realise by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we encourage that you consult this document to find all the necessary information to solve an accessory belt noise on Citroen C4 Aircross.
I perceive a loud noise from the alternator of my Citroen C4 Aircross
Listening a loud noise from the alternator of your Citroen C4 Aircross is quite normal, in fact, it emits an audible sound when creating the electrical pulses it generates. It is up to you to examine 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 encourage that you read this document to find other ways to solve problem of noises from front end on Citroen C4 Aircross.
