[DeTomaso] use sight glass in AC that has been retrofitted to 134a?

Jeff Cobb jeffcobb1 at me.com
Thu Aug 4 21:55:39 EDT 2016


The sight glass is always used as a reference point. You must go by the dual gauges.
Never by the low side only.

Jeff Cobb

On Aug 4, 2016, at 8:44 PM, Pantdino via DeTomaso <detomaso at server.detomasolist.com> wrote:

>   After switching the AC system to 134a, do you use the sight glass in
>   the dryer or go by the pressure at the low pressure port like with
>   modern cars?
> 
>   Sorry, but I don't recall what I learned several years ago when I
>   switched the system over.
> 
>   Jim Oddie
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