I WATCHED A FEW YOUTUBE VIDEOS AND DECIDED THAT I NEEDED TO REPLACE THE LOWER ICE MAKER. PLACED AN ORDER ON A WEDNESDAY AND IT ARRIVED ON THURSDAY. VERY SIMPLE TO REMOVE THE DEFECTIVE UNIT AND INSTALL THE NEW ONE. DIDN'T TIME IT, BUT I KNOW THAT IS WAS UNDER 15 MINUTES FOR SURE. HAD A FULL BIN OF ICE WITHIN 24 HOURS......