Unplug your refrigerator and move it away from the wall. Notice the access panel at the bottom of the back of the fridge.
Remove the screws holding the access panel in place and remove the panel.
Locate the shutoff to the water line and turn it to the "Off" position.
Locate the valve mounted inside the compartment. The water line will be connected to the valve.
Remove the screws over the mounting bracket and remove the mounting bracket.
Unplug the two wiring harnesses plugged into the two ports on the valve.
Unplug the water line tubing from the ports on the valve.
Remove the valve and set it aside.
Plug the tubing into the new valve and plug the wiring into the terminals on the new valve.
Place the valve in the compartment and replace the mounting bracket and screws.
Replace the back panel of the refrigerator.