If you're referring to a leak in the coils, copper, steel or whatever, you probably need to replace something. Replacement cooling units are available. My refr is much older than 11 years, is a Dometic, and the coils in the back of it are steel, not copper. Only copper I have is the supply line. If you're referring to a leak in the coils, copper, steel or whatever, you probably need to replace something.
Replacement cooling units are available.