[Vwdiesel] broken head bolt

[Dan Cotter]

  I was changing the head gasket on my daughters 82 VW Rabbit diesel and one
of the head bolts snapped off leaving about 1/2 to 3/4 inches above the
block.  I have >

If you try gripping the stub with vice grips several times and it does not
go;
slip a nut over the stub and weld it on (arc)
Let it cool a bit before trying to turn prudently with the new nut.
Some risk of twisting off the stub, but this method has worked many times
Luck
Cotter