I live in San Antonio and ANY radiator shop has the adapter, here.  Good Luck.

Ken Lewis <kdlewis@NORTHSTATE.NET> wrote:  Date: Tue, 1 Jan 2008 13:50:56 -0500
From: Ken Lewis <kdlewis@NORTHSTATE.NET>
Subject: Re: Pressure Tester/Adapter for Vanagon
To: vanagon@GERRY.VANAGON.COM

Richard,
I made one from parts I had laying around the garage.
http://neksiwel.20m.com/cgi-bin/i/images/h2o_gauge.jpg
That one is on an 85. On my 86 I spliced into the hose between the left head
and the bleeder ring.

Ken Lewis
http://neksiwel.20m.com/

----- Original Message -----
From: "Richard Golen"
To:
Sent: Tuesday, January 01, 2008 11:31 AM
Subject: [VANAGON] Pressure Tester/Adapter for Vanagon

> Hi,
>
> Before I buy a new motor for my 87 Westy, I'd like to pressure test
> the cooling system to make sure the problem is, in fact, a cylinder
> head gasket/cracked head leak. I went to my local AutoZone store to
> borrow one of their pressure testers. Unfortunately, their kit is
> only works on US-type radiator caps, not the screw-on VW type. The
> kid at AutoZone said they couldn't order an adapter.
>
> So, does anyone know where I could find, borrow, or rent an adapter
> or a VW-type pressure tester?
>
> Thanks.
>
>
> Ric
>

Thanks, Michael Sullivan