I don't have any solution for you. Can you cut it off and just replace it with one you can get at???
The top hose will be the one in the worst condition as it gets all that engine heat, so it should be changed.
"Success seems to be largely a matter of hanging on after others have let go." William Feather
"The use of traveling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are". Samuel Johnson