Herbert F Haverstraw , NY July 13, 2014 Appliance: General Electric Refrigerator HSS25GDMDWW Ge Refrigerator Hss25gdmdww: Had to add a shelf module. How to replace Shelf Module Ff. Just placed a module into place. Took less then 1 minute. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes