Luis B Vacaville , CA March 07, 2018 Appliance: Samsung Refrigerator RSG307AARS/XAA-0000 Samsung Refrigerator Rsg307aars/Xaa-0000: Cam hinge risers crack and broke off. How to replace Refrigerator Upper Hinge Cam Riser. I had to remove the freezer door and replace the cam hinge risers on the bottom of door. Everything went smooth the parts are perfect just like I ordered. Like new again. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes