Originally Posted by EZT

Was not at home all day, pulled the radiator cap for a while and no effect still. Beginning to think I may have a problem for sure though. I have the CSF aluminum radiator, but it's had a small leak from the start (got it used). I recently tried some Radiator Stop Leak for aluminum radiators and my fluid level has stayed perfect sense. However, from what you guys have been saying I may have a bigger problem now.