I'd bet you have a leaky heater core.  The heating ducts very rarely get
moldy. Mold needs moisture and food. Antifreeze vapors are extremely toxic
and some can not smell it but they are effected just the same.

Dennis

-----Original Message-----
From: kenneth d lewis <kdlewis@JUNO.COM>
To: vanagon@GERRY.VANAGON.COM <vanagon@GERRY.VANAGON.COM>
Date: Wednesday, April 21, 1999 9:47 PM
Subject: Re: Mold in ducts.

>Ken;
>        My wife and I were just discussing that only moments ago. I am
>thinking about a bleach solution propelled by a cool mist humidifier. Set
>it in front of the van and turn on the heater fan to pull it through the
>duct work. Maybe a plastic sheet over the seats.
>        The kids say they get a headache whenever the heater is used. I
>suspect mold spores even though we have had a dry spring so far.
>Drive Safely & Good Luck
>Ken Lewis<Kernersville,NC>86 VW crewcab;60 T-5 Coupe
>
>On Wed, 21 Apr 1999 15:12:37 EDT KENWILFY@aol.com writes:
>>How about bleach in water?  This is great for mold normally.  I don't
>>know if
>>it would discolor the ducts though.
>>Ken Wilford
>>Van-Again
>>John 3:16
>>
>
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