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 minimum you’ve already had that fear. So when you find out an alternator noise on Jeep Wrangler, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to support you locate the sources of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Jeep Wrangler and then what the causes and solutions to alternator noise on Jeep Wrangler may be.
Role and alternator operation Jeep Wrangler
Alternator role
Your alternator is an fundamental part of your Jeep Wrangler. Indeed, its goal is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging the battery once the vehicle is in motion, to provide power to the vehicle in motion and to let you to always have a enough energy source 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 rotating generates electricity. It is the engine itself that will provide the energy needed by the alternator to generate the energy, via the accessory belt or alternator belt. When your Jeep Wrangler engine stops, the battery takes over to provide the vehicle with energy.
What are the different alternator noises or sounds on my Jeep Wrangler and what are the causes?
I find out a knocking noise from the alternator of my Jeep Wrangler
One of the typical noises of a tired alternator on Jeep Wrangler is a knocking noise. This alternator sound on Jeep Wrangler will generally occur when your engine is idling, it can be connected to voltage drops that could disrupt the normal operation of electrical elements such as headlights for example. In most cases, it is a of both bearings of the alternator that is defective, to check it, use a multimeter on the terminals of your vehicle 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 Jeep Wrangler is tired and you should consider changing the bearing if it is the only cause otherwise the whole part.
I find out a grinding noise coming from the alternator of my Jeep Wrangler
If you are in the situation where the alternator of your Jeep Wrangler generates grinding sounds, in this circumstance you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , in general, we generally notice by looking more strongly 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 consult this article to find all the necessary information to solve an accessory belt noise on Jeep Wrangler.
I find out a loud noise from the alternator of my Jeep Wrangler
Hearing a loud noise from the alternator of your Jeep Wrangler is quite typical, in fact, it emits 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 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 check out this article to find other ways to solve problem of noises from front end on Jeep Wrangler.
