You hear noises coming from the alternator. The dash light for charging stays on. If not equipped with light might be a guage, in which case you see it not charging.
In the alternator Needs new Alternator if it's bad
The altima uses a timing chain, not a belt.
Test the battery at a local place such as advanced auto. They do it free.
It's almost certain a problem with the alternator
sounds like you need a new alternator or have a grounding issue somewhere
it looks as if there are small cracks on the pulley side of the belt. If these are within 1/8" of one another you need a new belt NOW
The alternator does not have a resistor.The alternator does not have a resistor.
It may be a bad new alternator or it was not connected properly. Have the alternator tested to see if it is actually good.
Which regulator? The voltage regulator is INSIDE the alternator. If that regulator has failed you can either rebuild the alternator (don't even try unless you're experienced), or you can simply replace the alternator. The fuel pressure regulator is near the rear of the engine, drivers side. Just get a new one, pop out the old one, clean everything well and put the new one in it's place.
Yes.
Inside the alternator. When you get a new alternator, you get a new regulator.
There are generally two signs that the alternator is going bad. First is the noise. A new noise will begin to be heard. Something like a whining when the car is accelerating. Second is the smell. You may smell burning from the engine department.