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 perceive an alternator noise on Land Rover Discovery, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this post to help you locate the sources of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Land Rover Discovery and then what the causes and solutions to alternator noise on Land Rover Discovery may be.alternator-noise-land-rover-discovery

Role and alternator operation Land Rover Discovery

Alternator role

Your alternator is an important part of your Land Rover Discovery. In fact, its task is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of charging 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 concept of copper coil wound around a magnet . This coil while spinning generates 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 Land Rover Discovery engine stops, the battery takes over to give the automobile with energy.

What are the different alternator noises or sounds on my Land Rover Discovery and what are the causes?

I listen to a knocking noise caused by the alternator of my Land Rover Discovery

One of the characteristic noises of a tired alternator on Land Rover Discovery is a knocking noise. This alternator sound on Land Rover Discovery will most of the time show up when your engine is idling, it can be linked to voltage drops that could disturb the normal operation of electrical components such as headlights for example. Often, it is a of both bearings of the alternator that is malfunctioning, to examine 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 charging your battery well. If the value is lower, the alternator of your Land Rover Discovery is tired and you should think about changing the bearing if it is the only cause otherwise the complete part.

I perceive a grinding noise coming from the alternator of my Land Rover Discovery

If you are in the case where the alternator of your Land Rover Discovery 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 usually, we often realize 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 read this article to find all the necessary details to solve an accessory belt noise on Land Rover Discovery.

I perceive a loud noise from the alternator of my Land Rover Discovery

Experiencing a loud noise from the alternator of your Land Rover Discovery is quite common, in fact, it produces an audible sound when producing the electrical pulses it generates. It is up to you to examine 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 recommend that you check out this article to find other ways to solve problem of noises from front end on Land Rover Discovery.