Door would not swing shut on its own as normal.

Empty the refrigerator door of all items and removable shleves.
Reomve top hinge (three screwsa at top of exterior).
Lift door off of bottom hinge pin.
Lay door across table
Remove top half of cam from door and replace with new cam half.
Remove bottom half of cam from bottom door hinge pin.
Lubricate both cam surfaces with small amount of silicone lubricant.
Replace door on bottom hinge pin and replace top hinge.
You may need help guiding teh door back onto the botttom hinge pin.
Replace all door shelves. Done!