[DML] Re: AC pressure high

["David Teitelbaum" <jtrealty@xxxxxxxxxxxxx>]

You cannot just dump refrigerent into a system. It must first be
"evacuated" or in other words the air and moisture must be removed.
The only time you can add refrigerent without vacuuming the system is
if it is well above atmospheric. Then you can guess that although it
has leaked, air has not gotten in. 
David Teitelbaum
vin 10757



--- In dmcnews@xxxxxxxxxxxxxxx, Kevin Heller <howdyhoho@...> wrote:
>
> My DeLorean came to me with all the R12 removed. As
> such, my plan was to replace the refrigerant with
> Freeze 12.
> 
> I got myself a freeze 12 recharge kit and started off
> by first using the leak sealer. That can emptied fine
> into the system. The next can was the oil and that
> emptied into the system fine as well. 
> 
> I then started adding the first freeze 12 refrigerant
> can. As expected, the clutch engaged and time between
> cycling started to lengthen as I allowed more of the
> refrigerant into the system.
> 
> Out of habit, I always check the pressure in the line
> in between cans. After adding only one can of Freeze
> 12, the pressure in the line read 45psi, a "tad" out
> of the normal operating range. 
> 
> This was only one 12oz can of freeze 12 and I'm told
> that 36oz is equivalent to 2.25lbs, or 10% less than
> the specified 2.5lbs the system is supposed to hold.
> Any ideas on what may be causing the pressure to be so
> high after only one can?
> 
> -Kevin
> VIN 2234






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