It will not cause the engine to overheat. You have another problem.
no
No.
Car would either have to be running or alternator removed for bench test
the regulator in your alternator must be in trouble remove the alternator and take it to an alternator repair shop or fit a new alternator
the batteries only serve to start the car and the alternator. I'm not sure if it would be your alternator but it's not the battery.
No! A car backfires because unburned fuel is getting to the muffler. The heat of the exhause system causes the fuel to combust, thus a backfire. A bad alternator will just not charge your car battery.
No, a bad crankshaft sensor would cause the car not to start and run.
Yes, it certainly can.
form_title=Replace Car Alternator form_header=If you're having trouble with the alternator, you might notice problems starting the car or charging the battery. How old is the battery?=_ Has the car been making weird noises when you try to start it?= () Yes () No Is there a brand or aftermarket alternator you would prefer to buy for your car?= () Yes () No
No, not an alternator itself. A slipping belt driving the alternator and the water pump could though.
Does it crank over fine?
Sure, if the alternator voltage regulator is defective it can overcharge the battery.