Raul B San Antonio , TX September 06, 2015 Appliance: Samsung Refrigerator RF266AASH/XAA-0000 Samsung Refrigerator Rf266aash/Xaa-0000 / : Ice maker was over filling with water and making big chunks of ice instead of ice cubes i had a big block of ice in the ice bucket. How to replace Refrigerator Water Inlet Valve. Did some troubleshooting and found that the water valve was not shutting off correctly. Ordered part, replaced it, and not it works fine. Took about 20 minutes to replace Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes