What causes an alternator to get really hot?
High voltage, bad diode, improper alt fan, bad bearing , defective heat sink ,high voltage drop accross alt power wire or ground wire . A few places to check alternator fan, now why didn’t I think of that?
What happens if you have an alternator problem?
Alternator problems can cause strong fluctuations of the power supply to these components. This will manifest in things like check engine light coming up for no reason, instruments on the dash going haywire, glitches in the electronics and so on.
Can a Toyota Sienna alternator get too hot?
Yes alternators give off heat, they have an internal fan to cool it. The will get too hot to touch after running a while. I have a 2001 Toyota Sienna with the same issue. I have gone through 4 alternators in a week. Did you find out what was wrong? Did anyone find an answer ?
What causes an alternator pulley not to work?
Not replacing it on time, stuck alternator pulley or a faulty bearing are common causes of this problem. Worst thing about this problems is that it can snap at a moments notice. Main causes of alternator problems (at least from what I’ve seen) are: This is the first and most common reason of them all.
High voltage, bad diode, improper alt fan, bad bearing , defective heat sink ,high voltage drop accross alt power wire or ground wire . A few places to check alternator fan, now why didn’t I think of that?
Alternator problems can cause strong fluctuations of the power supply to these components. This will manifest in things like check engine light coming up for no reason, instruments on the dash going haywire, glitches in the electronics and so on.
Not replacing it on time, stuck alternator pulley or a faulty bearing are common causes of this problem. Worst thing about this problems is that it can snap at a moments notice. Main causes of alternator problems (at least from what I’ve seen) are: This is the first and most common reason of them all.
What causes a voltage drop in an alternator?
However, that alone should not be causing a voltage drop. I’m wondering if you’ve got a wiring problem after the alternator that is causing an excessive current draw, and causing the rectifiers in the alternator to overheat.