Goodman CKL60AR60 Air Conditioner "bucks balance" Questions

...balance -- bad bearings -- says something must have fallen and hit a blade -- I see no evidence of that. $800 estimate to repair. Does Goodman have a history of this problem? I don't think this ...

...bucks. Really it is impossible to get the right charge without proper tools. But if you want to take the chance of trying you can add refrigerant until you start seeing the evaporator coils sweating ...