[s-cars] Adding Freon to 1995 UrS6

[Cody Forbes]

Well, you don't HAVE to do it right, but it's the only right way to do it! ;-)

-Cody Forbes

On Jul 6, 2012, at 11:35 PM, Huw Powell <audi at humanspeakers.com> wrote:

> Which is also how independents do it.
> 
> It's the only way to do it right, you can't just stuff some more Freezant(R) and hope for the best.  You have to get it done right.
> 
> On 7/6/2012 10:46 PM, Fred Munro wrote:
>> Belay that! Now that I think about it, I believe what the dealer's equipment
>> does is evacuate the system and charge the correct weight of refrigerant
>> through the high side port while the car's system is inactive. Sorry about
>> the brain fart.
>> 
>> Fred Munro
>> '97 S6
>> 
>> -----Original Message-----
>> From: s-car-list-bounces at audifans.com
>> [mailto:s-car-list-bounces at audifans.com] On Behalf Of Fred Munro
>> Sent: Friday, July 06, 2012 10:41 PM
>> To: 'Jay M'; 'AudiFans'
>> Cc: quattro at audifans.com
>> Subject: Re: [s-cars] Adding Freon to 1995 UrS6
>> 
>> Jay;
>> 
>> The Audi A/C system is intended to only be charged through the high side
>> port, which means of course that a little can of refrigerant will never
>> develop enough pressure to top up the system. The dealer's charging
>> equipment pumps the stuff in against the high side pressure.
>> There is an adapter that will fit to the low pressure cut-out switch port
>> that will allow you to use that as a low-side port. Check out the archives
>> for Tom Green's posts - he posted the details on the adapter a few years
>> back.
>> 
>> Good luck!
>> 
>> Fred Munro
>> '97 S6
>> 
>> -----Original Message-----
>> From: s-car-list-bounces at audifans.com
>> [mailto:s-car-list-bounces at audifans.com] On Behalf Of Jay M
>> Sent: Friday, July 06, 2012 8:44 PM
>> To: AudiFans
>> Cc: quattro at audifans.com
>> Subject: [s-cars] 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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>> 
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>> 
> 
> 
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