Mineral spirits & rag.  Go where you got the exp valve & ask for the insulating tar.  Comes with paper backing so easier to work with. 

Karl Wolz
Sent from my electronic umbilicus

On Jun 28, 2012, at 10:43 AM, Jamie Fitterer <fittdog8848@hotmail.com> wrote:

> YEP.  ON the 84 westy I did jsut that at lunch and WALLA! Access to the ep valve right there.  Now to figure out what to do with removing the goop and putting said goop back on.  
>  
> > Date: Thu, 28 Jun 2012 09:24:24 -0700
> > From: wolzphoto@Q.COM
> > Subject: Re: Vanagon a/c
> > To: vanagon@GERRY.VANAGON.COM
> > 
> > To replace the XP valve, you don't absolutely need to drop the
> > evaporator/cabinet. I (and mechanic with smaller hands) just did that.
> > 
> > Karl Wolz
> > 
> > 
> > 
> > |-----
> > |No virus found in this message.
> > |Checked by AVG - www.avg.com
> > |Version: 2012.0.2171 / Virus Database: 2437/5097 - Release
> > |Date: 06/27/12