Re: A/C changeover to R-134 in a 92 525iT

[Henri Baccouche <henrib@xxxxxxxxxxxx>]

"James H. BOYD III" wrote:

> Hello all,
> My a/c is low on R-12 and I assume there is leak somewhere.  There are
> bubbles in the sight-glass.  I figured, if indeeed I do have to replace
> the compressor, I thought I might as well install an R-134 compatible
> compressor and a new dryer to match so that I could service it.   A few
> questions:
>
> How does the R134 perform compared to the R12? I am in fort worth, so it
> gets pretty hot and humid.

R134 needs a bigger condenser to cool as well as R12.........
You'll get less cooling with R134 in an R12 system.

Chances are a shraeder valve is loose or leaking.

Henri



> Does anyone know anything else I might need to replace in the conversion?
>  I know I will need to replace the oil with R134 compatible oil.
>
> One unrelated question: What does it mean when "owner's manual" appears
> in the "check" window?
>
> Thanks much,
>
> James Boyd
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