Heat Less in the Carolinas
b.benz at charter.net
Sat Dec 3 22:00:22 EST 2005
> 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
> called for. If memory serves me correct it is vacuum operated.
Yes, and its default position, no vacuum, is open. So?
> 91 Avant
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