Peggy W Indianapolis , IN July 16, 2018 Broken mounting nut for Whirlpool microwave Removed the microwave from the upper cabinet, then (partially) removed the black cover. We were able to access and remove the old mounting nut from inside the unit, and clip on the new one! 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes