George R Manassas , VA November 12, 2017 Appliance: LG Refrigerator LFC25765ST Lg Refrigerator Lfc25765st / : Broken door mullion spring broke and lost so needed to buy entire new mullion. How to replace Dishwasher Drain Check Valve. Easy. Just removed two screws and the old piece and installed the new mullion. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes