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 apprehension. So when you discover an alternator noise on Jeep Cherokee, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this post to help you find the sources of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Jeep Cherokee and then what the causes and solutions to alternator noise on Jeep Cherokee may be.alternator-noise-jeep-cherokee

Role and alternator operation Jeep Cherokee

Alternator role

Your alternator is an vital component of your Jeep Cherokee. Indeed, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of recharging the battery once the vehicle is in motion, to provide power to the vehicle in motion and to allow you to always have a enough energy source to be able to restart the next time.

Alternator functioning

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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 spinning makes electricity. It is the engine motor itself that will provide the energy needed by the alternator to generate the energy, via the accessory belt or alternator belt. When your Jeep Cherokee engine stops, the battery takes over to provide the vehicle with energy.

What are the different alternator noises or sounds on my Jeep Cherokee and what are the causes?

I find out a knocking noise from the alternator of my Jeep Cherokee

One of the characteristic noises of a tired alternator on Jeep Cherokee is a knocking noise. This alternator sound on Jeep Cherokee will generally occur when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical parts such as headlights for example. In most cases, it is a of both bearings of the alternator that is defective, to verify 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 Cherokee is tired and you should consider swapping the bearing if it is the only reason otherwise the complete part.

I discover a grinding noise coming from the alternator of my Jeep Cherokee

If you are in the situation where the alternator of your Jeep Cherokee produces grinding sounds, in this circumstance you will have to look into it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , usually, we often realise by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we encourage that you read this document to find all the necessary information to solve an accessory belt noise on Jeep Cherokee.

I discover a loud noise from the alternator of my Jeep Cherokee

Experiencing a loud noise from the alternator of your Jeep Cherokee is quite common, 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 encourage that you check out this document to find other ways to solve problem of noises from front end on Jeep Cherokee.