Steve W Soddy Daisy , TN August 06, 2022 Appliance: LG Refrigerator LFC21760ST/00 Lg Refrigerator Lfc21760st/00: The icemaker overflowing water & freezing up. How to replace Refrigerator Water Inlet Valve. It appeared that the water inlet valve was not closing fully and was allowing water to continue to trickle into the icemaker. I melted the ice surrounding icemaker & freezer with a hair dryer. Then dried off the inside of the freezer and lubed the rails on the pull-out freezer drawer, etc. with food grade silicone. I installed a new water inlet valve and reconnected the water inlet. After the ten-minute installation, everything is working perfectly and we saved a very expensive service call. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes