Is this a trans fluid cooling line? If you are stuck you could get some fluid, hose, clamps (might need a tubing cutter if broken fitting or rusted out/rubbed thru etc.,) and splice in a section for an emergency. Sounds like that was already done and never properly fixed!
T
Tom Greenleaf - MetroWest Boston - USA
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http://www.autoacsystems.com/tomgreenleaf/