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Internal parts can wear out or burn out.

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Q: What makes an alternator go bad?
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Related questions

What makes the alternator sensor fuse blow?

it can be caused by a bad alternator


What makes a brand new one week old alternator go bad?

If your battery is not fully functioning and needs to be replaced, it can make the alternator work harder. This could cause a brand new alternator to go bad. Check your battery, if the battery is not the issue, return the alternator, it should have a warranty on it for at least the first 30 days.


Will an alternator cause a distributor to go bad?

No, it will not.


When does the alternator go bad?

You cannot predict when an alternator will go bad. It may last 150,000 miles and it may only last 50,000 miles. It may go bad due to a bad bearing or internal short.


Can the bad alternator cause the water pump to good bad?

The alternator is belt driven and so is the water pump but that is where the correlation ends. There is no way a bad alternator could cause a water pump to go bad unless the alternator pulley was warped. Then there is a small chance.


Does an alternator make noises when it is going bad?

If bearings go bad they will "squeal"


Could bad wiring cause a alternator to go bad?

Yes it could.


Would a bad alternator cause your air conditioner to blow warm air?

A bad alternator will cause a battery to go bad. It does not have an effect on the air conditioner.


Is an alternator bad if the headlights click on and off and car makes noise?

No not necasairly


What would go bad if you wired an alternator reverse polarity?

You would probably toast the diodes in the alternator.


What causes your alternator not to charge?

A bad belt, a bad regulator in the alternator or bad brushes in the alternator.


What is the noise that a bad alternator will make?

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