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 , perhaps you’ve already had that apprehension. So when you find out an alternator noise on Land Rover Defender, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this post to help you find the origins of alternator sounds. In this article, you will first see the role and operation of the alternator in your Land Rover Defender and then what the causes and solutions to alternator noise on Land Rover Defender may be.
Role and alternator operation Land Rover Defender
Alternator role
Your alternator is an essential component of your Land Rover Defender. In fact, its objective is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal 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 sufficient energy source to be able to restart the next time.
Alternator functioning
>
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 makes electricity. It is the engine motor itself that will provide the energy needed by the alternator to create the energy, via the accessory belt or alternator belt. When your Land Rover Defender engine stops, the battery takes over to provide the automobile with energy.
What are the several alternator noises or sounds on my Land Rover Defender and what are the causes?
I find out a knocking noise caused by the alternator of my Land Rover Defender
One of the characteristic noises of a tired alternator on Land Rover Defender is a knocking noise. This alternator sound on Land Rover Defender will generally appear when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical elements such as headlights for example. Often, it is a of both bearings of the alternator that is defective, 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 Land Rover Defender is tired and you should consider swapping the bearing if it is the only reason otherwise the complete part.
I find out a grinding noise coming from the alternator of my Land Rover Defender
If you are in the situation where the alternator of your Land Rover Defender causes 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 usually, we generally realise by looking more closely that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we encourage that you consult this article to find all the necessary information to solve an accessory belt noise on Land Rover Defender.
I find out a loud noise from the alternator of my Land Rover Defender
Experiencing a loud noise from the alternator of your Land Rover Defender is quite normal, in fact, it produces an audible sound when creating the electrical pulses it generates. It is up to you to check 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 article to find other ways to solve problem of noises from front end on Land Rover Defender.
