Hello Chevy Dudes,got a problem for ya,,i was flushing out a 235 i have on my 50,,let truck run a while,,so it gets hot,,fluid coming out of overflow tube,,What the heck,,so then i see if theres any thing left,now i have a little steam coming out of radiator(cap part),,so i add water(she went down),,,what gives???,,I used Coca-cola for a flush,,I dont think that would cause the problem,,Any advice?????

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