Keith, where did you get the O-rings?

John
----- Original Message -----
From: "Keith Ovregaard" <kovregaard@COMCAST.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, June 27, 2007 12:10 PM
Subject: Re: A/C resuscitation - where to start?

> Many years ago, after blowing a ton of money on my 84's AC system, I
> decided to never go that route again (Freon 12, shop labor). So, last
> summer I converted my 90 Westy's AC system to 134a. It was checked by
> an AC guy and vac'd out. He said it was plugged up and would cost a lot
> to get it up and running either with 12 or 134a. I ordered a 134 kit,
> dryer and blew out the lines with compressed air. Also removed the
> compressor and drained it. Installed new O rings, the dryer and
> tightened all the connections. In went the oil and then I charged up
> the system with MaxiFrig which blows colder air than R12 and much
> colder than 134a, is environmentally friendly and way cheaper (about $2
> per can). When I was done, the total cost was less than $200 (half of
> that went to the AC guy for his labor).
>
> MaxiFrig has been working fine in my van for a year now and if I had to
> do it all over again, I wouldn't change a thing. So, for all of you out
> there thinking it better to keep the old R12 system going, think again.
> You are allowing freon to escape into the air depleting the ozone layer
> and spending a stupid amount of money for what? Please reconsider your
> options and choose wisely.
>
> My 2 cents...
>
> Keith O.
>
>
> On Jun 26, 2007, at 9:00 PM, Automatic digest processor wrote:
>
>> Date:    Tue, 26 Jun 2007 19:38:30 -0700
>> From:    Rob <becida@COMCAST.NET>
>> Subject: Re: A/C resuscitation - where to start?
>>
>> At  6/26/2007 04:11 PM, mordo wrote:
>>
>>>> There is nothing wrong with R134a - if you have a system built for
>>>> it.
>>>> But old Freon systems converted to the higher pressures of R134a can
>>>> be
>>>> problematic. And I don't want problematic in the dog days of summer.
>>>
>>> After sitting over-winter last year, mine was blowing lukecool. I put
>>> one
>>> 12oz can of 134a in with leak seal and oil included. It got the system
>>> pretty darn chilly even at the front vents.
>>
>> I read somewhere that the 134a molecules are smaller than the 12 and
>> will leak out of the hoses (from the walls of the hoses) sooner than
>> 12 would.