Radiators fill from the bottom, which pushes the air otu the top.

--
Christopher A. Young
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"jtpr" wrote in message
...

*I would try disconnecting the return line from the blower unit to see if
any fluid comes out. I'm thinking that the coil is full of air and
preventing water from flowing. Have a bucket standing by.

Hmmm, good point. The unit I have looks like this one:

http://www3.modine.com/v2portal/page...ontent_021.htm

There is a connection at the top and one at the bottom. I assume the
return is the one on the bottom?

-Jim