[Vwdiesel] AC in 91 Jetta

[Matt]

Also, I'm hoping there was a conversion done to the car for R134A,  
since if you fill an R12 system with it, it will destory all the seals  
and make life really difficult.  R134A didn't start coming in VWs  
until 1992, I believe, though I could be wrong.

-Matt
http://matt_lisa.home.sprynet.com/

On Jun 9, 2009, at 6:00 PM, Tad wrote:

> I don't know squat about AC, but I believe it's possible to put in  
> too much
> of the 134a, resulting in less cooling than if you had the correct  
> charge.
>
> On Tue, Jun 9, 2009 at 2:31 PM, mikitka <mikitka at embarqmail.com>  
> wrote:
>
>> Well I added a can of 134a, well almost a full 12oz can.  I'm being  
>> over
>> cautious I guess but the air coming out of the vent is cool. I  
>> checked it
>> with my IR thermometer and with the AC on Max it was down to 52  
>> degree's F
>> at the center vent.  How long does it take to empty a can?  It  
>> seemed like
>> forever to get it to the point that it is at now.  Should I try to  
>> get the
>> rest of the can or is 51 degrees it. The outside temp is at 88 with  
>> about
>> 89% humidity.  I know from reading on line that the target temp is 40
>> degrees F but this from what I can tell is the original system  
>> which has
>> 227k miles on it.
>>
>>
>>
>> Nick
>>
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