Richard L Aurora , CO January 29, 2017 Appliance: Kenmore Microwave Hood Combo 66560652000 Kenmore Microwave 66560652000: Old age on grill vent cracked and broken. How to replace Vent Grille. Replacement of Grill Vent on a Kenmore 66560652000. Remember you have two screws on top that must be removed or you will damage the new one if you try to put it in. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes