Answer Jack, The water line enters the door thru the bottom. Open the door and remove the kickplate and you will find the water line. Unfortunately, this line is foamed into the door liner and is not replaceable by itself. If the line is freezing in the door the only options are opening the door and then let the line thaw or a door replacement. Read More... Answered by AppliancePartsPros.com | Monday, October 17, 2022