[DML] Proper operation of mode switch

["ryanpwright" <yahoo1@xxxxxxxxxxxxxx>]

What is the proper operation of the mode switch? In other words, where
should I get air on the various settings?

Here's the deal: I get A/C just fine on the three A/C settings, but
there isn't much of a difference between them. The airflow is boosted
slightly when on max. Mid and low appear identical. When the
temperature is switched to hot, "vent" directs air at my feet,
"heater" doesn't seem to direct air anywhere, and "defrost" seems to
direct more air toward the windshield but not as much as I'd expect.
If I switch the temperature over to cold, all of this changes
completely!

So I dug into it tonight. The dreaded previous owner screwed up my
vaccumn lines. I did my best to sort them out, following the diagram
here (http://www.usadmc.com/dmcstore/images%5C730.gif). There was an
extra T where one shouldn't be, another with a missing hose, etc.
Anyway, I think it's all as it should be now, but the situation hasn't
changed any. 

I've:

1. Rebuilt the mode switch. There are no vaccumn leaks that I know of
either up front or at the engine - doesn't mean they aren't there,
just that I don't know of them. :)

2. Sealed (as best as I could) that foam behind the heater box with
some duct tape.

3. Tried to sort out the vaccumn lines, I THINK they're correct, but
who knows.

Any thoughts?

-Ryan








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