> Are you using a cheap oil filter?  Use the OEM Mahle or Mann oil filter,
> cheap ones can cause this because their anti-drainback valves don't seal
> well and the oiling system loses its prime.

I could be wrong here, and I'm sure someone will clarify, but I don't
believe that the diesel filters have anti-drainback valves.  This only
applies to the gas engines.  I would still use Fram only in an
emergency.  Mahle, Mann, Knecht are the ones I trust.

Michael Snow
1982 Westfalia diesel