Adding Freon to 1995 UrS6

[Vincent Gelinas]

What's that?  Let me get a Q-Tip to clear my ear out so I can hear you! ;)

V
On Jul 7, 2012 12:13 PM, "Dan DiBiase" <d_dibiase at yahoo.com> wrote:

> I will make a Xerox copy of this email once I blow my nose - pass the
> Kleenex!  ;-)
>
>
> Dan D
> '04 A4 1.8T MT-6
> Central NJ USA
>
>
>
> ________________________________
>  From: Cody Forbes <cody at 5000tq.com>
> To: Jay M <jaybird002 at msn.com>; quattro at audifans.com; S-car-list <
> s-car-list at audifans.com>
> Sent: Friday, July 6, 2012 9:12 PM
> Subject: Re: Adding Freon to 1995 UrS6
>
> You shouldn't be using Freon, you should be using R134A in that car. I'd
> be rather impressed if you could get Freon, that stuff is hard to come by
> these days.
>
>
> Ok, I'm aware that I'm being a smart ass here, but it's a major pet peeve
> of mine. Freon is NOT a blanket term for refrigerant. Freon is a trademark
> owned by Du Pont which covers CFC based refrigerants, usually R12 in our
> world. R134A is HFC based, not CFC, and simply has nothing to do with the
> Freon brand. This bothers me even more than the stupid kids that refer to
> any nitrous-oxide related as "NAWS" (NOS) which is again simply a brand
> name used by one company.
>
> Since I got on my soap box I'll at least try to be a little bit helpful.
> I'm not certain where the ports are on an S6, but one thing that may help
> is the line size. The high side is always a smaller tubing diameter than
> the low side. Typically the low side is roughly 3/4" tube and the high side
> more like 3/8". I know on many Audi's, including urS4's and my A8, that
> there isn't a normal low side port, only a high side. The low side pressure
> switch/sensor can be removed (there's a Schrader valve that allows it to be
> removed without refrigerant loss) and an adaptor used to use this as a low
> side port. Fairly likely that you are in the same boat.
>
> -Cody
>
> -----Original Message----- From: Jay M
> Sent: Friday, July 06, 2012 8:43 PM
> To: AudiFans
> Cc: quattro at audifans.com
> Subject: Adding Freon to 1995 UrS6
>
>
> Hello all, My 1995 S6 is blowing warm air when AC is on full blast. I hear
> the compressor working but air coming out of vents is not cold at all. I
> suspect the system needs a topping off of R134A freon. Although I have
> never charged the Audi S6 AC system with freon before I know on my other
> cars it is not a difficult task. The problem I have with the S6 is I can't
> determine where exactly the Low side port is located to attach my can of
> R134a. I did research and that indicates the S6 system holds about 1.7
> pounds of Freon and should be filled to about 50 PSI on the low side when
> the ambient outside temp is 90 degrees. I looked and found an obvious and
> easily accessible port on the passenger side condensing unit located in
> front of the radiator but that seems too good to be true. I also found
> another port tucked away on driver side behind the radiaror. Can anybody
> tell me with 100% certainty where the low side port is located so I can
> attempt to recharge
>  my AC system without bl
> owing up the can of R134A?  JM
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