Dat T San Diego , CA October 03, 2015 Appliance: Samsung Refrigerator RS267TDPN/XAA-0000 Samsung Refrigerator Rs267tdpn/Xaa-0000 / : The samsung refrigerator was not cooling properly. How to replace Refrigerator Heater Sheath. Replaced the Heat-Sheath metal which ordered from AppliancePartPros. After replace the part and the refrigerator is working properly. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes