Robert W Ormond Beach , FL March 25, 2023 Appliance: LG Microwave LMV2031ST/00 Lg Microwave Lmv2031st/00: The tabs holding the vent grille in place were broken somehow. How to replace Grille,Vent. I replaced the vent grille. I wish I could have determined how the tabs came to be broken, so I could prevent it from happening again. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes