Larry, interesting points.  I wonder what coolant they use?  I use
VW's G11 coolant that is hidiously expensive, and now no longer
available:(  Maybe we can poll our UK members to find out what
coolant they use?

Harry.

> Mark 'n Mo wrote from the U.K.:
>
> > <snip>We seem to have different problems over here.  As far as I can tell, heads don't leak but cylinder head bolts pop without warning due to corrosion.<snip>
>
> I'm not sure but I believe that the only difference between the U.K, Vanagon and the North American Vanagon is a catalytic converter on the N.A. but not the U.K. If this is so, then the leaky head pr>
> It is conceivable that the catalytic converter increases back pressure in the exhaust and consequently increases the temperature at the exhaust port. Excess heat could break down the coolant turning >
> Do the real mechanics and/or chemists on the list think that this is possible?
>
> Larry
> '86 Syncro Westfalia in Ontario, Canada
>
-----------------------------------------------------
Harry Yates, Langley, British Columbia Canada
'90 Syncro Westfalia   WWW - http://syncro.cr.bcit.bc.ca/hyates
'87 Golf Diesel        email:  hyates@bcit.bc.ca
'91 Miata (Millie)