Dennis,
Is'nt a good working  heater valve (one that shuts off heat completlely
unlike the one in my 87 which needs replacing) sufficient to stop hot
coolant from leaking into the cabin in the event of a heater core leak?

----- Original Message -----
From: "Dennis Haynes" <dhaynes@OPTONLINE.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, August 27, 2004 4:10 PM
Subject: Re: Heater core repair

> The ends are crimped on and there is actually a gasket in there. It may
> also be leaking where the tubes are welded to the end plate. The tubes
> can also wear thin enough to become porous. One thing to consider is
> that a heater core failure can become a life threatening condition. It
> is inside the van and having hot coolant spraying on you can cause burns
> and the sudden release of vapor can overcome you. I know this is extreme
> but it has happened. This is why VW recalled many Golf-Jetta and
> replaced the cores and or installed valves limiting the flow of hot
> water to the core. My Fox has this valve set up. If the core is worn
> enough o leak, it is really time to replace it.
>
> Dennis
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of William S. Brown Jr.
> Sent: Friday, August 27, 2004 6:42 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Heater core repair
>
> Has anyone had any luck repairing the front heater core on a water
> cooled
> Vanagon?
>
> I am seeing some small weeping between the plastic end caps and the
> aluminum
> core.  My guess is that there is some type of sealer between the two,
> and
> that is what is going.
>
> Can the ends be removed?  What is the sealer made out of, or what could
> repair it?  Sounds like UltraCopper time to me.
>
> Advice???
>
> William
> 86 Vanagon
> 340,000 miles and still ticking
>
>
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