"Remove ac power from fridge, remove freezer drawers, unscrew freezer drawer slides from cabinet. unscrew back panel, use hair dryer to melt ice enough for the rear panel to come away without force. unscrew fabe from rear panel. remove old fan blade hub.. (it just pulls off with force.) firmly press new fan blades onto fan motor shaft, screw fan onto rear panel. insert rear panel into place and re-connect fan connector. screw rear panel into place. screw freezer drawer slides back into place. align freezer drawer into the slides and close carefully. turn fridge back on and feel the breeze in the freezer compartment."