On Wed, 29 Apr 2009 22:20 +0200, "Brenton Tait" <BTait@INVESTEC.CO.ZA> wrote:

> Jst a question.....does a synthetic oil damage any of your seals on
> the engine? Just bought a Castrol 10w40 today so thinking of using
> that .....any suggestions or feeling on that?

If you have leaks that are currently blocked by sludge then the
synthetic will eventually open them up.  This can have the appearance of
synthetic "causing" leaks. Other than that I've had no problems with it.

Allan
--
1991 Vanagon GL