Squeeling V belt and CVF alternator

Too much tension on a v belt will wear your water pump out in no time.
Belt squeal when the belt is tensioned correctly is either over heating the belt, wrong angle (belt should be about 2degrees wider than the pulley angle) or over loaded and that’s when you go to a dual belt system. Look at the high amp alternators on police cars from back in the later 70’s.

Belt dressing is putting lipstick on a pig.