[s-cars] A/C strength, 93 S4

[Pram]

On my 92S4, by the time my compressor was recycling on-off every  
10-20 secs and was recharged, it took 1.5lb of R12 (that's what I was  
charged anyway).

With regard to the R134, yes it is not as efficient as the R12 but in  
my 2000 Mercedes and 2005 Volvo (both R134) the ac are cold.  Just  
these last two weeks, we are in the 100s here in SoCal and both of  
that car AC are cool.   Even my 92S4 is cool (just not as cold as the  
other cars).  I believe it is more on the design and capacity of the  
AC on those car rather than the R12 and R134 difference.

Pram



On Jul 28, 2006, at 8:40 AM, <calvinlc at earthlink.net> wrote:

> If I remember right, I just used the one schrader valve that is  
> available
> while the A/C was running.  I then just added some, checked to see  
> how cool
> it was, etc.  I did have a pressure gauge on it but I remember some  
> strange
> readings while in the process, but I finally figured out those  
> readings, if
> I remember correctly.  It was one of those things that I only had  
> to do once
> and would probably have to stumble through it again if I had to :)   
> I am
> certain I used the one schrader valve that is in the system while  
> it was
> running to add the stuff.  If I remember right it took about 1  
> can...maybe
> 1.5.
>
> I know that this is probably not the "right" way to do it.  It  
> worked for me
> with no ill effects and solved the problem.
>
> --Calvin
>   -----Original Message-----
>   From: Jerry Scott [mailto:jerryscott at wispertel.net]
>   Sent: Friday, July 28, 2006 7:52 AM
>   To: calvinlc at earthlink.net; s-car-list
>   Subject: Re: [s-cars] A/C strength, 93 S4
>
>
>   How did you add it to the system?
>   Jerry
>
>   calvinlc at earthlink.net wrote:
> I know I used Duracool on my '92 S4 3 years ago and it is still  
> working
> great.  No license needed to buy and it is cheap.  I just added it  
> to the
> existing R12.  It mixes fine and has the same or better cooling  
> capacity.  I
> hate R134 systems...the damn '01 A6 I have barely keeps up on 100+  
> days.
> --Calvin
>
>
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com]On Behalf Of Theodore Chen
> Sent: Thursday, July 27, 2006 6:49 PM
> To: Lino M. Valadas; Jerry Scott; s-car-list; Pramuditya Oen
> Subject: Re: [s-cars] A/C strength, 93 S4
>
>
> how well did that freeze 12 work?
>
> --- "Lino M. Valadas" <l.valadas at rogers.com> wrote:
>
>   Yes,  There's a valve at the compressor and another behind the  
> fire wall
> that's what my AC guy used to refill my system with, wait for it,  
> Freeze
>     12.
>
>
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