why is it i fill up antifreeze and then 2-3 weeks later its empty?? on 2004 Dodge Caravan

i fill it and then i noticed steam from under the hood so i filled it again and same thing.what is the problem??what can i do??

by in Walcott, IA on May 03, 2012
1 answer
ANSWER by , May 03, 2012
POSSIBLE BLOWIN HEAD GASKET.