Any visible white smoke from your tailpipe? Or visible leaks? If not, use a cooling system pressure tester, avalable at Autozone as a free rental, this tool will expose leaks fast...
Feb 13, 2011 at 3:39 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.