John, I did a thorough write up on R134 conversions about a month ago.

Jim

On Jul 1, 2011, at 5:35 PM, John Rodgers <inua@CHARTER.NET> wrote:

> Here's the deal.
>
> My AC system isn't, for all practical purposes. The Compressor has been
> out for several years. The system is open - ie, the two pipes at the
> compressor are not plugged. Stuff is just hanging. I've gotten a new
> compressor, new receiver/drier and a new and a complete conversion kit -
> all seals, valves, oil - will be here Tuesday. And of course there is
> R134a on hand. I want to get it right by the book. Then after that - I
> might consider switching to an alternative refrigerant with a lower
> operating head pressure. But that's for later. Now is now.
>
> Just wondering how some of the more AC experienced member Volks would
> recommend that I proceed. And - what should I used to flush the system
> before hooking up the compressor.
>
> Thanks,
>
> John
>
> --
> John Rodgers
> Clayartist and Moldmaker
> 88'GL VW Bus Driver
> Chelsea, AL
> Http://www.moldhaus.com