I am needing this same info, and as well as what gauge goes where.  I have a
red, yellow, and blue gauge set ( that i can use) and on my 88 i have one
port right off the compressor hose, and one in the side wall to hook up
to.............What goes where, and what should they read?  I need to top
mine off...............

Adam P

81 Vanagon Westy (The Brick)
70 Single Cab "Whitey"
74 Beetle "Ol Yeller"
73 Transporter (STILL at paint shop)
1988 Vanagon Wolfsburg
Used Vanagon Parts for sale (mostly aircooled)
----- Original Message -----
From: "Rick Koller" <rkoller@HELIX.NIH.GOV>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, May 02, 2002 9:37 AM
Subject: R 134a pressure specs

> Greetings a/c gurus,
>         I need to recharge my a/c with R134a refrigerant. I have done an
achive
> search with no success. I am going to buy the  gauges to do this but I
need
> to no the proper pressures so as not to overcharge the system. Any advice
> would be welcome. Thanks.
>
> Rick Koller
> '87 semi westie (not cold)
> '91 gl (not cold)
>