list:

not to gloat, but when i noticed our '84 vanagon temperature gauge reading
low, and subsequently discovered poor electrical bonding between upper
thermostat housing and block (measured about 1200 ohm with digital meter),
i surmized that threads were corroded and fixed the problem in 10 minutes
using a jumper wire with allegator clips.

dan

On Mon, 2 Aug 2004 12:27:13 -0400, Warren Chapman <vwsyncroguy@YAHOO.COM>
wrote:

>Really have a Pandora's box....here....
>
>Started with a Temp sender not working on 86 2.1L...diagnosed no
continuity
>(ground) between the aluminum thermostat/temp sender housing and the head.
>Thought I'd just remove the housing, clean up the bolt threads and re-
>install...
>
>Bolts would not come out.....both frozen and sheered off in the head.
>While trying to back out the bolts by drilling and using an easy-out, I
>cracked  the aluminum head with the easy-out at the upper bolt hole.
Pretty
>big crack at the top of the bolt hole/thermostat mount.
>
>Anyone have any luck tig welding on Vanagon heads???
>
>Opinions?....will I be able to weld/repair this head or will have have to
>put on another head.
>
>Warren C.