Shawn - go to a FLAPS and buy a Gates 19663 hose to replace that section.
The Gates hose is about 3 feet long so you can choose where to splice it
into your heater feed hose, where its easy to observe and maintain the
splice.

I had the same thing on a trip last december.  I don't think you can
recreate the leak under static pressure, this requires pressure and water
pump flow at full throttle.  Mine blew coolant everywhere at speed but as
fast as you could stop and check the hose, not a drop. Mine kept this up for
a thousand miles on that trip till I figured it out.

On Wed, Jul 21, 2010 at 5:25 PM, Shawn Wright <vwdiesels@gmail.com> wrote:

> I have an elusive coolant leak in my 1.6TD which only appears under very
> hot
> conditions which I cannot reproduce on this little island... (none of the
> hills are long enough!)
>
> --
> Alan Felder
> Austin TX
> 82 Diesel Westy
>