You can try getting a coolant pressure tester and pumping up the cooling system and looking for visual leaks. If you cant see anything there then add some coolant dye and when the coolant level goes down look for the leak with a dye light. You could also have a bad head gasket and you can rent a chemical tester to see if the head gasket is blown.
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Thursday, June 7th, 2012 AT 3:29 PM