A/C conversion

[flaatr@yahoo.com (EUROROC II)]

I too did an R134 conversion on my 87 16V with entirely different results. 
My A/C never worked right in the 16V or 8V and I didn't think the 
conversion could work any better... was I wrong. For the first time I have 
working A/C

On my first day out, still a little low on the high and low side pressure, 
I measured 85F out of the center vents with the A/C off on the freeway. I 
switched on the A/C, not MAX, and immediately got cooler air. In a few 
minutes I was measuring 38F out of the vent. This temp fluctuated between 
38F and 42F... In my opinion the conversion works. It has been 4 weeks and 
it seems to be holding, I have not measured pressures or temp but it's 
still cold. The condenser is good shape and there is a big-ass oil cooler 
in front of the condenser in line with the fan.

Temperatures were measured using a Fluke digital thermocouple with the lead 
fed into the vent about 2"

-RGK-

At 12:49 AM 5/13/2002 +0000, you wrote:
>i recently switched to 134, and did the most half-assed job imaginable; no 
>switching o-rings, no evacuation of system. i did put in a new drier. the 
>134 is no question not as cold as the r-12 (the way i did it, anyway), but 
>so far it's been adequate through several 90+ degree days.  if you keep it 
>on full blast/recirc, it cools down enough in about 5 min. also, i had 
>some bent fins on my condensor (tried to straighten them, but...) and have 
>an oil cooler in front of it, which probably isn't helping either.  if you 
>do it right, i'm sure it will be ok wherever you live.
>-michael
>
>
>>From: "Brian Haygood" <theonlyred16v@hotmail.com>
>
>>This came down the Passat wire.  Can anyone comment on where the Scirocco
>>16v's stand on the Expansion Valve (TXV) issue?  What does it have?  Would
>>it benefit from something else?
>>
>>Brian
>>
>>--- randy wrote:
>>>
>>>I have a 92 w/r-12.  I converted it when I lived in
>>>Maine about 7 years ago.   Worked adequately up there.  I now live in
>>>Georgia
>>>and ended up having it converted back to R-12. These cars use a TXV instead
>>>of an orifice and don't perform as well as most when converted.  You can
>>>convert to 134 very inexpensively and if you can stand 55-60 degree air
>>>out of the vents you will be fine.  R-12 can cost 100 per pound now and
>>>you will need two pounds so it is a big ticket item.
>>>Another option that I will be considering when it
>>>dies again is to swap the TXV from the 134 equipped models (1993 I believe
>>>and
>>>it is easy to get the part number).  And try the conversion again.
>>>Good luck whatever you decide and keep us posted.
>>>Randy...
>>
>>
>>
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