Quote:
Originally Posted by usp55
At the bottle there is a fitting but its got a ball valve on it. I thought there was a tube inside the tank that would draw coolant out caused by the coolant in the radiator cooling off creating a vacuum in the system.
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I dont think so, the ball valve at the bottom is just to be able to close the thing and remove without having to drip anywhere.
I could be wrong depending on the manufacturer but most of them just have the ball valve and a barb on them. Plus if you have the ball closed then the tank could build pressure and blow the hose off the barb and if you leave the ball open.... same as nothing.