My alternator has started to whine?
Started car today and instantly there was a whine coming from the engine.
The whine increases with revs then seems to disappear when on the move but comes back again when slowing.
I have no battery lights etc. and the noise doesn't go when I pull the dipstick. I did get a grating sound a few weeks ago but put it down to a stone in the calliper as it went and never reappeared.
I've had the voltage up on the display and it's only reading 11.5 volts, should be 14.4 right?
Other thing I noticed yesterday is that the rear heated screen wasn't working very well.
Alternator look like it's on it's way out