[DML] Re: recharging my R-12 system with R-416A (another update on #2613)

["David Teitelbaum" <jtrealty@xxxxxxxxxxxxx>]

The most common leak is the service valve cores. If you can't replace
them easily yourself you can buy metal caps with washers to use in
place of the plastic dust covers. After that many leaks are usually in
the high side starting with the seals on the compressor and then
moving to the condensor core where the temperature and the pressure is
the highest. Mix up some soapy water, put it into a sprayer bottle,
and go squirting. I like it because on cars there is usually too much
air movement to get an accurate reading with electronic sniffers. You
don't need UV dye and lights or fancy (read expensive) leak detectors.
About the only place you can't use soapy water is the compressor seal
and they don't leak all that often. When the hoses go you will know
because you will lose all of the charge at once. They don't leak
slowly except at the connectors. The compressor-to-evap hose is the
one that goes. If you have been regularly adding freon you MUST check
and add some oil too. It leaks out with the gas and eventually you
will not have enough oil and will damage the compressor.
David Teitelbaum
vin 10757


--- In dmcnews@xxxxxxxxxxxxxxx, "Elvis" <elvisnocita@...> wrote:
>
> Thanks Tom,
> tis is the correct way to go, but before refilling it I'd
> like to replace suspicious parts first.
> I can't have it refilled around the corner, locally they
> only refill R134 systems.

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