>This is caused by the thick rubber gasket allowing coolant to seep >under it when under pressure. This forms little pools of trapped coolant >and it is the concentration of ions and depleted oxygen that's causing >electrical gradients to form. This is referred to as CREVICE corrosion, and >any book on corrosion will cover it in detail. The book will also tell you >NEVER use compliant gaskets in a system subject to corrosion. Plain and >simple, VWs designer screwed up on this. They were mechanical engineers, not >corrosion types. Thanks. That was fascinating. Can you stop/minimize this by simply changing the gaskets out, say every two years? How do some people get them to go 200K without maintaining them where the others leak at 50K? --Ken Boxers, no water ever
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