Hello! every one .
my problem just starer Yesterday I use the heater last night and
all my windshell been fogy inside. I smell anti-freeze and I look under
Van leaking by the firewall. inside is dry. I chech the carpet is dry.
Please I need help how FIX my WINDSTAR. thank you.
laloeduardo@hotmail.com

There's a good chance that the hose clamps are loose at the firewall...on the coolant hoses that go thru the firewall to the heater coil. Check them out.

You may have to remove the wiper arms and plastic cowling to reach the hoses....just depends on how long your arms are.

If you have a bad/leaking heater core, the following should help:
.
http://www.automotiveforums.com/vbulletin/showthread.php?t=321529

I will check for any loose hose. it is OK with you keep in touch???.
thank you again.