Neil, you stated that I have a case problem on the buku thread. I did swap cases as my other one wasn't perty. BTW, this is not my clocked B6 that has the issue. A cooler plug cured that. This is a straight B6. The case looks like brand new inside and out. The crank is also in nice shape to.I installed a ceramic rear bearing and a standard steel bearing. Like I said, it leaked right away. So the buku cap should solve my issue? Thanks for your time...