Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If that didn’t happen to you, perhaps you’ve already had that apprehension. So when you hear an alternator noise on Mazda CX 5, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this content to help you locate the sources of alternator sounds. In this article, you will first see the role and operation of the alternator in your Mazda CX 5 and then what the causes and solutions to alternator noise on Mazda CX 5 may be.alternator-noise-mazda-cx-5

Role and alternator operation Mazda CX 5

Alternator role

Your alternator is an fundamental component of your Mazda CX 5. In fact, its task is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of recharging 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 works on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning produces electricity. It is the engine motor itself that will provide the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Mazda CX 5 engine stops, the battery takes over to provide the automobile with energy.

What are the several alternator noises or sounds on my Mazda CX 5 and what are the causes?

I perceive a knocking noise originating from the alternator of my Mazda CX 5

One of the characteristic noises of a tired alternator on Mazda CX 5 is a knocking noise. This alternator sound on Mazda CX 5 will most of the time show up when your engine is idling, it can be associated with voltage drops that could disturb 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 verify it, use a multimeter on the terminals of your automobile with the engine running and you must look for 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 5 is tired and you should think about swapping the bearing if it is the only cause otherwise the complete part.

I hear a grinding noise coming from the alternator of my Mazda CX 5

If you are in the situation where the alternator of your Mazda CX 5 causes 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, however , 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 recommend that you consult this article to find all the necessary information to solve an accessory belt noise on Mazda CX 5.

I hear a loud noise from the alternator of my Mazda CX 5

Listening a loud noise from the alternator of your Mazda CX 5 is quite common, 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 recommend that you take a look at this article to find other ways to solve problem of noises from front end on Mazda CX 5.