PLEASE HELP on a deadline and need to get this done

[element#240]

OK somebody please help i need me i have an 89 240 and i have a bad leak coming from the heater core plumbing all the way up under the intake its not in the line i have already checked that out where else would this leak be coming from it is very hard to see exactly where its at i looked in the forums and i searched google i havent been able to find any diagrams or anything of use i am thinkin the only other thing to do is check the experts! i have to get this car running because i have to get back to work and thats 300 miles away and i only have 4 days 5 at the most any and all advice would be appreiciated

I really hope its not dead