I’m sorry to be the one that has to give you the bad news.
You need to call a serviceman to work on the sealed system, or you need to buy a new refrigerator.
If you want to get a new refrigerator, here are some great places to buy them:
And if you want to have your refrigerator fixed,
here are some great places to call.
At least when you call them,
you’ll be able describe the problem to them.