what are the signs of a bad coolent fan clutch.
Either the coolant fan doesn’t come on when it should, or the coolant fan never shuts off.
it not electric,it have a belt.
Grab the fan and try wiggling it, There should be no play in the fan. If there is it could be the fan clutch or a worn water pump bearing. With the engine cold, try spinning the fan by hand. It should spin where 3-4 fan blades rotate by before stopping. If the fan is hard to spin the fan clutch is locked up.