Originally posted by FavoriteMystaque:
The above link will help you a lot The m in normal is when the Low speed fan comes on. The high fan comes on with the a/c running and a hot day above 80 and engine warmed up. I was servicing the a/c and the fans were running and then kicked up to high for a few seconds, then down to low. (If the fan motors are screeching or something, there is a bad bearing.)



So it is normal for the high speed fan to run with the a/c on even if the engine is cold? Another question is do the low speed fans run at all times? Maybe I have a noisey low speed fan as I just purchased the car in the winter. No screeching, just loud.