Thee is a plastic cam at the bottom hinge of the door. Mine cracked and I bought a new one online for like $30 (for a piece of plastic). Got a strong friend to lift the door off the hinges while I replaced it. make sure you get the right one for left or right doors. 7014663 Sub Zero Refrigerator Bottom Cabinet Hinge Cam LH (7014663) (7014663) - Genuine Refrigerator Parts
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Thee is a plastic cam at the bottom hinge of the door. Mine cracked and I bought a new one online for like $30 (for a piece of plastic). Got a strong friend to lift the door off the hinges while I replaced it. make sure you get the right one for left or right doors.
7014663 Sub Zero Refrigerator Bottom Cabinet Hinge Cam LH (7014663) (7014663) - Genuine Refrigerator Parts