Thread: Radiator recovery

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Originally Posted by 36 sedan

.......Finally I can sleep, my OCD is satisfied, the world is a safer place.

36 sedan,
Not to beat a dead horse, and as you said no disrespect intended at all, but it seems to me that you have not really changed your situation other than adding volume to your recovery tank that you cannot see. With the new quart sized tank mounted low, beneath the radiator with it's overflow feeding your "original", smaller chrome recovery tank (for easy access for filling & checking level, I assume) once the system is full and purged the bottom tank is going to be 100% coolant and you'll have some amount of coolant in your upper tank to give a visual on coolant level. I'm not sure how you intend to get the initial charge of fluid in the bottom reservoir other than over filling the top one and letting it dribble down the recovery line, but in operation it will burp air, and suck back fluid from the upper tank repeatedly until it is full with no air at the top, even with your tube configuration. At that point you'll be running with your top tank volume, and if it was too small before it will be too small now. As the radiator "burps" the little tank will over flow and then pull back into the larger tank but you won't know the level in that one so you'll add to the little tank and it will go through the cycle again, filling the bottom tank, topping off the upper tank, and waiting for the next burp.

I apologize if I mis-understand your plumbing configuration, but if it's plumbed as I describe I think you're going to see a puddle, or a dry upper tank before long.