Miata Mailing List: October 1994, Message #180
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   From: "Ken Stoorza" 
Subject: Speaker Foam & Warm Miata
   Date: Tue, 11 Oct 1994 13:17:46 -0400

On Oct 11, 12:51pm, HOBBS_JEANNIE/HP4200_42@opnmail4.corp.hp.com wrote:
> Subject: Speaker Foam & Warm Miata
----snip-----
> On another tack (pun intended), has anyone noticed that their '90
> seems to be warm inside all the time?  It's nice in the winter but
> icky in the summer to have warm air gently blowing on you all the
> time.  How do you turn everything OFF so there's no ventilation through
> the vents?  I've tried everything I could think of, including setting
> the outside/inside air slider in the middle (which meant "off" in my
> '77 Buick, but not my '90 Mazda!).

Strangely enough, after five years with the little beast, I just noticed this
the other day. I had the slider all the way to the left, yet (with the AC off),
decidedly warm air was coming through the vents.

My first inclination was that the heater valve was leaking. I turned the air on
and, per usual, crisp, cold air came flowing through the vents. Being sort of a
scientific type, I then turned off the air to recreate the initial condition.
Surprise!! *unheated* air was now the norm. (Yes, I did give the system enough
time to allow the AC condensor to come back up to temp)

So what's going on? Beats the hell out of me. Since I'm also in the Bay Area;
perhaps it was some sort of weird weather thing. We've had worse.

Ken Stoorza
Climatically questionable White '90B