Gary B Independence , MO February 20, 2015 Appliance: Kenmore Microwave Hood Combo 66560652000 Kenmore Microwave 66560652000: Broken mounts. How to replace Vent Grille. Pulled old one off, took out two screws, put new one on and installed the two screws. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes