IHADAV8.com - Turbo Buick Tech, and Nonsense
Tech Area => General Auto Tech => Topic started by: grand camino on July 11 2011, 04:52:33 PM
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Can someone tell me why a radiator/coolant system is pressurized? the reason i ask is my radiator cap has been missing for god knows how long....coolan t level looks a hair low.... doesn't leak or run hot(i have a decent gauge)...so it has me wondering why systems are pressurized.th anks
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It's pressurized to reduce boil over. Pressurizing the coolant system raises the boiling point of the coolant, so it can move heat over 212 degrees, also so no steam is created.