Quote:
Originally Posted by Bonburner
I fully understand the expansion of water (and whatever else is in the coolant that can vaporize) will increase pressure in the overflow tank. But there is a hole in the yellow coolant cap to allow for air pressure to release. I personally found that the coolant was evaporating way too fast. Meaning the coolant in the system is not 50:50, more like 45:50 now. If not worse, because I have been regularly topping it off with the 50:50 coolant from subaru. Up until I added an extra bit of sealing to the system.
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If both the cap and the reservoir have holes, what exactly does stuffing tape between the hose and reservoir do?