Move the refrigerator away from the wall, and then unplug the power cord from the electrical outlet.
Remove the screws securing the lower-rear panel of the refrigerator, and then remove the panel.
Locate the condenser fan, which is located on the right-side of the compartment.
Disconnect the wire connector from the refrigerator's wire harness.
Remove the screws on the fan motor bracket securing the fan motor in place.
Pull the fan blade off of the fan motor shaft, and then remove the fan motor from the compartment.
Transfer the grommet from the old motor shaft to the new motor shaft.
Place the new motor into the refrigerator, and then install the fan blade on the motor shaft.
Secure the motor to the refrigerator cabinet by replacing the mounting brackets and securing them with the screws.
Reconnect the fan motor's wire connector to the refrigerator wire harness.
Replace the lower panel of the refrigerator, using the screws that were removed to secure it.
Plug the refrigerator back into the electrical outlet.
Move the cabinet back against the wall to its installation location.