I should've mentioned that a Bentley rep told me that 'later editions' had a
corrected diagram- but he didn't tell me which editions. Basically if you're
going to service your own A/C it goes like this:
The high pressure line goes from the front (in relationship to the van) of
the compressor toward the front of the van to the condenser- it returns
through the dryer to the expansion valve.
The low pressure line is a short piece that runs between the expansion valve
and the compressor thru the driver's side rear pillar.
One of these appears fatter than the other, tho for the life of me I can't
remember which, and since it's two in the morning I'm not going out to look.
Maybe someone else can clear that up.
Later models ('86 on?) do have a low pressure switch.

Cya,
Robert

----- Original Message -----
From: "Robert Fisher" <refisher@MCHSI.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, May 12, 2005 3:47 PM
Subject: Re: AC Service Prior to Pressure

> Just a general FYI for those who don't know since we're getting into A/C
> season and questions- The diagram in the Bentley on 87.2 has the labels
> for
> the high and low pressure refrigerent lines (numbers 10 & 11) reversed.
> This could be very dangerous in that you could wind up pressurizing your
> refrigerant can and blowing it up (if you followed the diagram and tapped
> into the wrong line), along with whatever else is unfortunate enough to be
> nearby.
>
> Cya,
> Robert