Hello, This is an old refrigeratior/freezer, but everything else works great. water just started dripping from bottom of freezer door. at first it was a very slow leak but leak is getting worse. dispenser and ice maker work fine. exposed tubing going into door looks to be in good shape so must be a crack in tubing inside freezer door. is it a major repair to replace tubing or can it even be replaced? can I disconnect water going to dispenser but still keep water going to ice maker so it will work?

thanks for your help,
Brad