Thanks to everybody who read and replied to my thread. To make it short, I left out a few details which I didn't think were important. Hereafter are some more items to consider:
Repair guy #1 came in and on his first visit, he said that the evaporator fan wasn't running and need to be replaced...
A while ago I had a service man come to my house to repair a refrigerator which was not cooling anymore, and he replaced a part.
After a couple of months, the refrigerator stopped cooling again. I called him back and he proposed to replace that same part again. He stated that there is no...