Mark C Loris , SC October 14, 2017 Appliance: Whirlpool 30`` Electric Freestanding Self-Clean Range Convection WFE540H0AS0 Whirlpool Range Wfe540h0as0 / : Front handle attached for oven door was broke on one side. How to replace Trim-Vent (Stl). REPLACED WHOLE VENT-RAIL ON TOP OF OVEN DOOR THAT HOLD HANDLE. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes