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 , at least you’ve already had that fear. So when you listen to an alternator noise on Mazda CX 7, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this article to support you locate the sources of alternator sounds. In this article, you will first see the role and functions of the alternator in your Mazda CX 7 and then what the causes and solutions to alternator noise on Mazda CX 7 may be.
Role and alternator operation Mazda CX 7
Alternator role
Your alternator is an fundamental part of your Mazda CX 7. Indeed, its task 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 automobile is in motion, to provide power to the automobile in motion and to let you to always have a enough 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 creates electricity. It is the engine itself that will furnish the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Mazda CX 7 engine stops, the battery takes over to furnish the automobile with energy.
What are the several alternator noises or sounds on my Mazda CX 7 and what are the causes?
I discover a knocking noise coming from the alternator of my Mazda CX 7
One of the typical noises of a tired alternator on Mazda CX 7 is a knocking noise. This alternator sound on Mazda CX 7 will generally show up when your engine is idling, it can be associated with voltage drops that could affect the normal operation of electrical components such as headlights for example. In most cases, it is a of both bearings of the alternator that is faulty, to verify it, use a multimeter on the terminals of your automobile 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 Mazda CX 7 is tired and you should think about replacing the bearing if it is the only cause otherwise the entire part.
I listen to a grinding noise coming from the alternator of my Mazda CX 7
If you are in the situation where the alternator of your Mazda CX 7 produces grinding sounds, in this circumstance you will have to look at it more seriously. This indicator can testify as for the knocking sound of a tired bearing, but generally, we generally realize by looking more closely 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 read this content to find all the necessary information to solve an accessory belt noise on Mazda CX 7.
I listen to a loud noise from the alternator of my Mazda CX 7
Experiencing a loud noise from the alternator of your Mazda CX 7 is quite common, in fact, it emits an audible sound when producing 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 encourage that you look into this content to find other ways to solve problem of noises from front end on Mazda CX 7.
