Got a renix radiator with out the over flow tank. I'm forced to use this radiator right now cause I made a trip from Indiana to Ohio and had problems with my new style radiator. I got the renix radiator for free so I can't complain. I filled the radiator from the top hose and my over flow bottle isn't hooked up yet till tomorrow. I was thinking about putting a t splice into a heater hose. The problem im having with it not hooked to the over flow bottle is that what I believe when it gets hot the coolant has nowhere to go and it's leaking out the bottom radiator hose. I think it leaked out all that it needs to from the expansion cause it stopped leaking. How would I go about to splicing a hose to hook up the over flow bottle with out going back to get the renix bottle?

 

Ooh forgot to mention I have a 93 xj

 

An overflow bottle is not pressurized.....the Renix bottle is pressurised. Without pressure, coolant is likely to boil.

 

So that would explain why it leaked from the bottom hose for a little bit and stopped?

 

The bottom hose never leaked before. None of the cooling did till yesterday. The radiator was leaking form the fitting for the transmission cooling line

 

Without a pressure cap somewhere to relieve/maintain pressure, something is going to give and/or coolant will boil.

 

Ok. So pretty much with out the renix bottle im better off with my old radiator

 

Cause from what I under stand even if I spliced a line into the hose for the overflow bottle coolant will just boil through the bottle cap cause that would be a major pressure relive. Cause like you said and as I know my overflow bottle is not pressurized