On Tue, 4 Mar 2003, Dennis Haynes wrote:

> Sounds like you have an internal head gasket leak or a cracked head. You
> are getting combustion gasses into the cooling system. Check the
> archives. Many have been here before.

I'm not so sure.  If he has that, he should be getting "air" (really
exhaust gases) out the radiator.  I'm a little suspicious of his new
thermostat.

I'd also like to know if his fan came on when the van overheated while
idling, and if not, why.