The original blot there was already grooved for this purpose.

Dennis

-----Original Message-----
From: Jose R. Moscoso <jmoscoso@UCCARIBE.EDU>
To: vanagon@GERRY.VANAGON.COM <vanagon@GERRY.VANAGON.COM>
Date: Tuesday, May 04, 1999 10:42 PM
Subject: Re: An item no water cooled Vanagon should be without!

>Hi:
>The mechanic who lets me drive my '84 westfalia if I don't over extremely
>abuse her, resolve this problem very easy, effortlessly and cheap.  He took
>out the screw/plug from the radiator top and with a hacksaw cut a groove on
>the bolt side up to the middle.  Now the only thing to do is: loosen the
>bolt three or four turns; let air out until it bleeds coolant and tight the
>bolt.  No burns trying to start the thread.  Hope this helps someone.