Simply because dayum near every new box I see lately is low on freon.
So if you happen to put a lot of washer couplers on lately are you going to tell everyone that post anything about there washer that it probably a bad coupler?
Your not making much sense in a lot of your post JW.
We are trying to help these people, not confuse them.
He said, "freezing compartment cold" and "The coils in the back of the freezer were frosted up" this sounds more like a defrost problem to me then low on freon.