Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If it never happened to you , certainly you’ve already had that fear. So when you listen to an alternator noise on Renault Scenic 2, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this post to help you locate the origins of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Renault Scenic 2 and then what the causes and solutions to alternator noise on Renault Scenic 2 may be.alternator-noise-renault-scenic-2

Role and alternator operation Renault Scenic 2

Alternator role

Your alternator is an important component of your Renault Scenic 2. Indeed, its objective is to give 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 sufficient energy reserve to be able to restart the next time.

Alternator functioning

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The alternator operates on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning makes electricity. It is the engine motor itself that will give the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Renault Scenic 2 engine stops, the battery takes over to give the automobile with energy.

What are the different alternator noises or sounds on my Renault Scenic 2 and what are the causes?

I find out a knocking noise originating from the alternator of my Renault Scenic 2

One of the characteristic noises of a tired alternator on Renault Scenic 2 is a knocking noise. This alternator sound on Renault Scenic 2 will generally show up when your engine is idling, it can be connected to voltage drops that could disturb the normal operation of electrical elements such as headlights for example. In general, it is a of both bearings of the alternator that is faulty, to check 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 Renault Scenic 2 is tired and you should think about swapping the bearing if it is the only cause otherwise the whole part.

I listen to a grinding noise coming from the alternator of my Renault Scenic 2

If you are in the situation where the alternator of your Renault Scenic 2 produces grinding sounds, in this case you will have to look into it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but in most cases, 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 case, we encourage that you look for advice this document to find all the necessary details to solve an accessory belt noise on Renault Scenic 2.

I listen to a loud noise from the alternator of my Renault Scenic 2

Hearing a loud noise from the alternator of your Renault Scenic 2 is quite common, in fact, it produces 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 show up, 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 go to this document to find other ways to solve problem of noises from front end on Renault Scenic 2.