Check the voltage at the battery with engine running. It should read 13.5 to 15.5 volts. Any less and the alternator is suspect.
Your car hesitates to turn on or it turns off on you while driving.
alternator needs to be replaced. battery also might be a problem due to the alternator not charging it
The alternator only needs to be replaced when it fails. Its not a part that needs to be changed during routine maintenance. If it ain't broke, don't fix it!
Well, I know when a tire on my car needs to be replaced when there is no tread left on it. What are YOU referring to
Something can be taxing the work of the alternator, or the alternator can be weak and needs replaced.
I pulled the negative cable from the battery with the truck running and the engine quit. Is this a test to see if the alternator needs to be replaced?
How do you know if the starter needs to be replaced on a 1993 Nissan Altima?
The alternator in a car may need to be replaced if some simple signs are noticed. A noise may originate from under the hood, or lights in or on the car may dim or flash.
Usually an early warning sign that the alternator needs to be replaced soon. Get it checked out
It depends on the year of the vehicle. Newer (late 60s/early 70s on) had "internal regulator alternators", so the alternator needs to be replaced. Older cars have a regulator, usually mounted on a fender well, the fire wall, or the radiator support which canb be replaced independently of the alternator.