Heat Less in the Carolinas

[Bernie Benz]

> From: PeterBergin at aol.com
> 
> Assuming you have checked the usual suspects, (motor temp in operating range
> and full radiator).  I would look at the heater control valve at the back of
> the motor.  It basically opens and lets warm water through the heater core
> when 
> called for.  If memory serves me correct it is vacuum operated.
Yes, and its default position, no vacuum, is open.  So?

Bernie
> 
> Pete
> 91 Avant