It sounds like the system is leaking when under pressure (running or
still warm).

One low-tech method is to wrap the hoses in paper towels (when cool) and
tape them on. The leaker will soak the hose.

You could also try an ultraviolet dye.




"gcdenis" > wrote in
lkaboutautos.com:

> Hey DougW
> I got under my jeep this morning to see if i could find where it was
> leaking from. i opened the radiator cap and there was coolant there.
> there are 2 spots on the ground right below the radiator. the biggest
> spot near the trans. seems to have "rode a rail" from the front and
> dripped back there. even though i've seen the 2 spots under the
> radiator, i can't find where it is coming from. any suggestions from
> these findings? thanks!
>