[DML] Re: What is involved to convert R134a back to R12

["seanhagan" <seanhagan@xxxxxxxxx>]

You seem to have done all of the hard work. 
They will need to flush out the system of all of the old oil. 
They will then need to put a vacuum on the system, to ensure it will 
hold a charge. If it does, from there they will pour in the R-12 oil 
in the top of the AC compressor, and then add the R-12.

It will cost you significantly more to have R-12 put back into the 
system. 

I still have R-12 in my system

Sean

--- In dmcnews@xxxxxxxxxxxxxxx, "sweetp01569" <paul.sweet@...> wrote:
>
> I have an appointment to have my AC system charged tomorrow.  The 
> previous owner did a $34 conversion from R12 to R134a, and am not 
sure 
> how much of the R12 oil he properly removed when he converted.  I 
read 
> on the posts that sticking with R12 is still better in the long 
run.  
> I replaced my evaporator, accumulator, low pressure switch and 
orifice 
> tube with the new variable orifice offered by SpecialT Auto.  What 
is 
> involved if I were to ask the AC shop to convert back to R12?  Is 
it 
> simply a matter of changing the service port back, draw a vacuum 
and 
> recharging with R12?
> 
> Thanks,
> 
> Paul
> vin 10944
>










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