Manuel V Carle Place , NY October 25, 2015 Appliance: Whirlpool Refrigerator GSS26C4XXW03 Whirlpool Refrigerator Gss26c4xxw03: The diffuser was damage and the refrigerator side was freezing everything because de diffuser was constantly open. How to replace Diffuser. Replace de Diffuser 12 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes