Diane S Venice , FL November 12, 2017 Appliance: Whirlpool 1.7 Cu Ft Microwave MH1160XSQ2 Whirlpool Microwave Mh1160xsq2: Broken vent to microwave. How to replace Grill-Vent. Easy, just put it on and screw it in Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes