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, at least you’ve already had that fear. So when you discover an alternator noise on Acura RDX, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to support you locate the sources of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Acura RDX and then what the causes and solutions to alternator noise on Acura RDX may be.alternator-noise-acura-rdx

Role and alternator operation Acura RDX

Alternator role

Your alternator is an fundamental component of your Acura RDX. In fact, its mission 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 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 works 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 motor itself that will furnish the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Acura RDX engine stops, the battery takes over to furnish the automobile with energy.

What are the several alternator noises or sounds on my Acura RDX and what are the causes?

I listen to a knocking noise from the alternator of my Acura RDX

One of the typical noises of a tired alternator on Acura RDX is a knocking noise. This alternator sound on Acura RDX will most of the time happen when your engine is idling, it can be associated with voltage drops that could affect the normal operation of electrical elements such as headlights for example. In general, it is a of both bearings of the alternator that is defective, to verify 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 recharging your battery well. If the value is lower, the alternator of your Acura RDX is tired and you should consider swapping the bearing if it is the only cause otherwise the complete part.

I discover a grinding noise coming from the alternator of my Acura RDX

If you are in the situation where the alternator of your Acura RDX produces grinding sounds, in this circumstance you will have to look at it more seriously. This sign can testify as for the knocking sound of a tired bearing, but in general, we generally see 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 advise that you look for advice this document to find all the necessary information to solve an accessory belt noise on Acura RDX.

I discover a loud noise from the alternator of my Acura RDX

Experiencing a loud noise from the alternator of your Acura RDX is quite normal, 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 advise that you read this document to find other ways to solve problem of noises from front end on Acura RDX.