no water for ice-maker or cold water

Unplugged refrig and shut off water supply. Removed cardboard backing on back of refrig. Then removed water lines and power plug from old water valve. Removed screws holding water valve on refrig chassis. Attached water lines and power plug to new water valve. Then repeated the above steps in reverse order. Took a max of 30 mins to install the water valve and worked properly when plugged in refrig and turned water supply on.