[DML] Re: A/C Problems (necessarily long)

["content22207" <brobertson@xxxxxxxxxxxx>]

Freon isn't being metered properly into the evaporator. That excessive
sweating is probably ice melting off its exterior. DeLorean uses a
fixed orifice system, so the compressor has to cycle on & off to meter
the freon. Only time mine doesn't cycle is upper 90's degrees outside,
especially if I'm on an interstate (no trees).

If the compressor clutch engages with a vacuum in the system, it
obviously is being left on by the low pressure switch, or you've got a
short somewhere. Did you try putting an ice pick light or multi meter
on the low pressure switch to ensure it indeed is closed?

Does anyone know if the early cars had unused high pressure harness
connectors? (Am wondering if you may have the wrong connector plugged
in, assuming they're interchangeable. It's raining outside so I can't
check mine).

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, Jake Kamphoefner <jakekamp@xxxx> wrote:
> All,
>  
> A/C experts, please read!  I've got a really strange issue with my
air conditioner that I'd like to properly diagnose before I go
replacing more parts.  This is a long post, but I wanted to include
all the relevant info:
>  
> Since I bought 1063, the A/C has always "worked", but the air is
never as cool as it should be.  I've also noticed excessive sweating
of the evaporator core, even after cleaning the drain out with
compressed air.  The most peculiar thing: my compressor never cycles
off.  As soon as I hit the mode switch to any A/C position, both my
cooling fans and my compressor turn on, and *never* turn off unless I
turn the mode switch to vent or above.  This includes, idling, on the
highway, cool days, hot days, etc.
>  
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