ok i have a water line from the water water tank that goes into the fridge undere the white shell it connects to a blue connector in the front. this line is broken how do i replace this line when the left side of the connector (tubing) goes into a small hole just under the white interior shell and come out the rear and goes up into the tank it is the water line from the tank to the front of the refrig. i dont see how to get to this line. please any help would do!!!