When you remove it, you will find multiple small pinholes and/or the end
cap seals are failing. A new core will not only stop the leaks but you
will be surprised at the heat output with both the inside and outside of
the core being clean. When deciding what a new core is worth, consider
the effects of a catastrophic failure. It can happen. I haven't seen it
in a Vanagon but you should see the mess it makes in Golfs and Jetta.
Imagine being doused in 190 water with fumes that can overcome you. Yes,
people have died from heater core failures.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of Blake Heinlein
Sent: Wednesday, November 13, 2002 11:18 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Repairing Front Heater Core

Hi,

Does anyone have experience successfully repairing heater cores by epoxy
or some type of glue.  The other option would be an inexpensive new
heater cores if repairing them is hopeless.

Here is my delema:
My front heater core emits the nice sweet smell of antifreeze when I
turn the heater and fan on.  I assume that I have a small pinhole leak
and I want to try to patch it.  I checked the hose clamps and they are
tight and not leaking.  The new front heater cores I have seen cost
$200.  I don't mind pulling the dash to get to it.  I'm just a little
short on money right now.  I want to make sure the patch will stay for
another 100,000 miles. This is the only part in my entire coolant system
I haven't replaced.

Suggestions are greatly appreciated.

Thanks again,
Blake Heinlein
http://members.accessbee.com/heinlein