James B Montgomery , AL January 09, 2016 Appliance: Whirlpool Refrigerator ED2NHGXVQ01 Whirlpool Refrigerator Ed2nhgxvq01: Broken water filter cap. How to replace Refrigerator Water Filter Cap. I place the new cap on the water filter Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes