Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If that didn’t happen to you, certainly you’ve already had that fear. So when you find out an alternator noise on Ford Ranger, 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 find the sources of alternator sounds. In this article, you will first see the role and functions of the alternator in your Ford Ranger and then what the causes and solutions to alternator noise on Ford Ranger may be.
Role and alternator operation Ford Ranger
Alternator role
Your alternator is an important part of your Ford Ranger. Indeed, its goal is to give 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 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 functions on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning generates electricity. It is the engine itself that will give the energy required by the alternator to generate the energy, via the accessory belt or alternator belt. When your Ford Ranger engine stops, the battery takes over to give the automobile with energy.
What are the several alternator noises or sounds on my Ford Ranger and what are the causes?
I hear a knocking noise coming from the alternator of my Ford Ranger
One of the typical noises of a tired alternator on Ford Ranger is a knocking noise. This alternator sound on Ford Ranger will most of the time occur 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. In many cases, 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 Ford Ranger 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 Ford Ranger
If you are in the case where the alternator of your Ford Ranger generates grinding sounds, in this case you will have to check it more seriously. This indicator can testify as for the knocking sound of a tired bearing, but in most cases, we often see by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we recommend that you consult this document to find all the necessary details to solve an accessory belt noise on Ford Ranger.
I find out a loud noise from the alternator of my Ford Ranger
Finding out a loud noise from the alternator of your Ford Ranger is quite typical, in fact, it emits 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 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 look into this document to find other ways to solve problem of noises from front end on Ford Ranger.
