Answer Willard, To replace the water filter head, you will need to pull the unit out from the wall and access the water valve. Disconnect the tubing from the water supply and the water valve. Remove the plate over the water lines where they enter the top of the refrigerator. Go to the front of the unit and open the door and remove the cover over the filter. Remove the water valve and disconnect the filter head from the clips. Pull out the waterlines and install the new filter head assembly in reverse. Read More... Answered by AppliancePartsPros.com | Monday, November 16, 2015