On Fri, 30 Apr 2004, John Runberg wrote:

> Something causes vanagon heads to corrode, causing pits and the
> resulting leaks which make otherwise decent vans dirt cheap. The cause
> could be anything, but spending a couple dollars extra for coolant which
> matches VW specs is cheap insurance for me.

I tend to think the leaks happen first, and the pitting is caused by the
leaking coolant.  It doesn't make sense to me otherwise -- how can the
coolant pit a surface it doesn't touch?

Complicating this is that the early, slow leaks will evaporate before
dripping to the ground.

David Brodbeck, N8SRE
'86 Volvo 240DL wagon
'82 VW Vanagon Westfalia Diesel