Take a look at the GoWesty website they have a good article (in the  
article section) on how the heater controls work. It may be that you  
have a broken cable on one or more of the controls.

JFF

On Apr 14, 2008, at 10:57 PM, Slloth wrote:

I don't think any of my heater controls work how they are supposed to.
When I turn the little defrost switch I don't hear anything and I don't
feel any air come through the vents. I am not really concerned about all
of that right now but I do feel heat coming from under the dash as the
engine warms up. This is fine in the mornings but during the day I do
not need any extra heat. Where is this heat coming from and is there any
way to stop it? I know how the rear heater works but am not sure on the
front.

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�84 Westfalia Gasoline