i have a pinhole leak in the narrow copper pipe under my refrigerator near the front left (under freezer) of the refrigerator. It looks like the line runs towards the back right of the refrigerator. It is spraying water. Can I turn it off? How do I prepare refrigerator so I can tilt it up so I can get under the refrigerator with my hands to at least temporarily patch the leak until I can get someone in here?