[DML] Re: Quick A/C pressure question...

["David Teitelbaum" <jtrealty@xxxxxxxxxxxxx>]

Are you measuring the pressure with the A/C running? If you are the
pressure is way too high DO NOT ADD ANY REFRIGERENT! The system may
have air in it or some kind of different refrigerent besides R-12. If
that is the pressure at rest the pressure is low. You really shouldn't
add refrigerent without monitoring the high side too. Make sure the
coils (both condensor AND evaporator) are clean and are getting plenty
of airflow. Very difficult to know how much freon is in the system.
The only accurate way is to remove it and measure. This kind of work
is best left to a shop with the proper equipment.
David Teitelbaum
vin 10757



--- In dmcnews@xxxxxxxxxxxxxxx, "alex morgan" <mauibarber@xxxx> wrote:
>
> Aloha,
> I did a pressure check on the car and found that my low pressure
side reads 
> about 47 at 80 degrees.  I can't find anything in any of my books
that shows 
> a chart on how much freon is needed at these pressures.  i know the
pressure 
> is supposed to be around 25-32.  I have two cans of R12.  If I put
one can 
> in would this be too much?  Any help would be appreciated.
> -Alex
>








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