78503 LG Refrigerator - Overview

1. Shut off water to refrigerator. 2. Removed bottom sheet metal cover (6 screws). 3. Removed leaking water inlet valve assembly from refrigerator (1 screw). 4. Remove water inlet tube (loosen nut) and tube back to refrigerator (pull from water valve after remove cotter pin washer). 5. Detach two electrical wire harnesses. 6. Install new water inlet valve assembly to refrigerator (1 screw). 7. Replace both water tubes to water inlet assembly. 8. Re-attach both wiring harnesses. 9. Turn water to refrigerator on. 10. Check for leaks. 11. Re-attach bottom sheet cover (6 screws).

Video makes it look easy. Kenmore refrigerator does not have "groove" along the right hand side of switch that allows for pushing down on release. Used a thin screwdriver to get under to push while holding switch edge with pliers. Kept slipping. Tape sides to avoid scratching inside of refrigerator.

Turn off power, remove upper and lower drawers (may need to open upper refrigerator doors to remove large freezer bin,) remove drawer supports (upper and lower), remove rear freezer panel (trick is to loosen 4 screws on fan bumpout to get the panel to come free from the freezer side wall), test thermistor with multimeter (should have continuity or near zero resistance across 2 orange fuse wires) before cutting zip ties, cut zip ties holding Thermistor in place, remove old Thermistor, install new Thermistor, install new zip ties, replace rear freezer panel, install upper and lower drawer supports, install drawers, turn on power, should be fixed if error code doesn't return after 6 hours.