In a message dated 96-05-08 09:28:18 EDT, royjm@resort.brecknet.com (Jared
Roy) writes:

>
>I have an 82 Vanagon and was wondering if running the heat in the summer 
>will cool the engine?
>
>

In the air cooled vans, all heat comes from the heat exchangers.  When the
heat is off, air still flows through the exchangers and is dumped out the
back of the control valves,(flaps).  That is the purpose of those hats on top
of the valves.

Dennis.