Robert K Oracle , AZ May 23, 2022 Appliance: General Electric Microwave PVM1870SM3SS Ge Microwave Pvm1870sm3ss: Original plastic part failure where vent came off. How to replace Grille Asm, Ss. Ordered from AppliancePartsPros.com. The only tool I used was a cleaning rag and Weiman CookTop cleaner to clean residue from the Microwave. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes