I once had this happen in a way that was hard to determine the
source. Turned out it was not oil but power steering fluid, so it
only leaked when the fan was running--didn't noticably drip in the
driveway.

Jim

On Jun 22, 2006, at 11:36 PM, Paul Guzyk wrote:

> I recently purchased an 84 Vanagon with a 93 Subie 2.2 that a PO
> installed.
>
> The engine has good compression (180-185 all around) runs well,
> sounds nice, lots of power etc.  The top of the engine is clean and
> dry, the bottom of the timing belt covers are a little oily.
>
> I just went on an 800 mile drive.  At the end of the drive, the rear
> hatch was covered in a thin film of what appears to be motor oil.
> Even the license plate and rear window were covered in this oil.
>
> Has anyone seen this?
>
> Could the engine be leaking oil and by some sort of 'Venturi effect'
> it is getting sucked onto the rear hatch of the van?  Or is the oil
> coming from somewhere else?
>