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If bearings go bad on a alternator/ will make a grindind noise or long squilling noise.. but if only electronic's inside alternator are damage no noise wil be heard
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∙ 13y ago
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What noises does a bad alternator make?
A bad alternator will make whats called a whirring noise. It could also make a low growl. This is just the bearings going bad. If your alternator is not supplying any power, it has nothing to do with noise typically.
Why does the alternator make a clicking noise?
What you are hearing is the clutch on the air conditioning pump engaging... the alternator doesn't make any noise unless the bearings are going bad and then a grinding noise will be heard.
Does alternator whistle when its bad?
It can, but not always. In fact it can be defective and make no noise at all.
Does an alternator smell when it goes bad?
Not really. It can make a grinding noise, and sometimes bad enough that the starter will not even turn the engine over. Most times they just quit with no noise.
Why is your alternator making a noise?
Normally this is the bearings going bad.
What kind of noise would an alternator going bad make?
Bad bearings in an alternator would make a grinding or roaring sound. If a Diode Plate is failing you might hear a buzzing sound in the radio that changes pitch with the speed of the engine.
How do you know if your alternator is bad?
If it is makeing a noise or is not putting out at least 13.5 volts it is bad. Take the car or the alternator to an Auto Parts store and have them load test the alternator to be sure.
Is an alternator bad if the headlights click on and off and car makes noise?
No not necasairly
Due to your supercharger not having any oil can this be why your alternator sounds strange?
No, it has nothing to do with the Alternator. However, it will make a noise similar to a bad bearing sorta like how an alternator will sound when it goes bad. No oil in the supercharger is very bad, and will lead it to fail. Most of the time if it has no oil in it, it means it has a faulty seal and most likely your bearings are bad inside of it.
Why is Alternator making a winding noise?
Could be you have a bad belt or belt is loose.. Also it might be possible that the bushings are worn out of the alternator
What could cause engine noise in the radio on a 1993 Dodge Spirit?
A bad noise suppression condenser. Usually attached to the alternator.
Why does a Chevy S10 make a light winding noise when idling and the battery gauge drops when you let off the accelerator?
sounds like the alternator is going bad.
