Clifford H Anacortes , WA September 23, 2014 Appliance: Frigidaire Range FEF366ESB Frigidaire Range Fef366esb: Loose door handle and glass. How to replace Vent Trim. I replaced the old cap which had several broken missing plastic tabs. Causing the door handle to be loose and the front glass to be loose. It really helps to have a second pair of hands helping you replace the Cap!! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes