Re: Yup, one of the new leaks I found was coolant
I had the typical minor slow leak from the valley pan maybe two years ago. I put about 1/4 of the pellets from a Barrs Stop Leak container into the lower chamber of the radiator expansion tank. I have been leak free since. My car has been very reliable overall.
Ghetto fix, but it working very well. Not sure if it will help your cause, or if you dare put strange crap in your car, but thought I would mention it as possible option on the cheap.