Yeap it looks that I have some Good ideas, I will start at the fill and vent , working down I will use the paper towels... I tried already but not succes....so I may need some food
coloring....to catch it ! and paint
the lines with the washable markers ....
Almost not motoring so I don't think the expansion tank , but I will keep one eye on it
I am even thinking on placing some faucet to reduce the circuit ..
I have some work
to do .. ...