I have an 2002 Odyssey ex, with 280,015 miles. Just started this problem. Driving just 7-8 miles, when I get out of van we smell hot antifreeze. Yet we see no leak in engine or on ground, the temp gauge never goes to hot. The antifreeze level is good, checked the oil and trans dipstick, both clean and full, also checked the P/S fluid and brake reservoir. What am I missing? I'm ASE certified (P2) (parts) but I've asked a few shops, they all want $79 to diagnose it. Any help here? Please.