Remove the cardboard back cover and the vertical metal strip, all the screws are the same on the back. Remove the front bottom cover, those screws are all the same but longer. The tubing is bad because they tucked it in on the side and it rubbed and wore a hole in it. Remove the tubing nut. You may notice that there is an insert in the tubing, but the new tubing has no insert because it is thicker walled and does not the insert because it is stronger. The nut and compression ring are one piece. Open the front door and pull the tube out of the metal plate to the left, and cut the tube off at the end to remove the metal ring, and to make it easier to pull it out. Pull the tube out from the back, but first carefully remove the sticky gray putty, and put it aside. You might also bend the copper line to the right a little if it is putting pressure on the tube at the top of the unit. Now pull the tubing out, and use it to make the new tube the proper length, You might also want to first tape the new tube to the old tube to fish it through. I did not. It was tricky fishing the tube in from the back of the unit to the resevoir. If you do it my way, then aim it to the right. I got it on the second try and felt lucky. Once you get the tube in there, put the metal ring back on the new tube, and press it into the metal plate to the right. You can feel the groove and hole in the metal plate. I think the metal ring goes under the plate, but honestly I don't think you need the ring on the new tube because it has a thicker wall and is stiffer, so it won't pop out. Make sure you put the putty back in once you have completely installed the tubing. I think this is important to keep the tubing from sweating and to help keep the ice bin cold, like insulation. Do not put the tubing back along the left side of the unit, or you will be replacing it again, but maybe not with the thicker walled tubing. When you are all done, check to make sure your sump pump works by pouring water into the ice tub, if it is plugged in and you do not hear the pump, or the water backs up, then your pump may be bad. I also pulled a piece of white plastic out of the clear tubing just above the pump and never did find where that came from, but it would have been from the ice bin. I then ran a cleaning cycle and the instructions say if there was water still in the resevoir, then do another cleaning. My resevoir was full, so I did another cleaning. IF YOUR RESEVOIR IS FULL, THEN YOU NEED A NEW UPPER PUMP! Mine is on order. Mine was full after both cleanings, and after trying to make ice, I realized what the problem was. It could be that it is very clogged, but they don't appear to be serviceable, and I never heard it try to run. I did hear the lower pump, compressor, and fan all run previously, so I hope that when the new pump is installed, the unit is not low on refrigerant or anything like that. Fingers crossed, and good luck.
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