oil loss 90 200tqa

[Phil Payne]

> > there's oil all over the front underside of
> > the engine near the main crank, belts, Alt,
> >  seen a black/brown wire that is screwed into the
> > underside of the engine near the alt what is it? allot
> > of oil was near it could that leak oil?
>
> three likely sources up front - cam seal, crank seal, and the oil temp
> sender, which is what that wire goes to.  There are others, but less
> common (oil pump gasket, pan gasket, basically)

Most likely is a loose oil pump securing bolt on the front of the block.

If it is the crank seal, one cause is the seal being damaged by debris from the harmonic
damper woodruff key working against the crank because the main bolt is coming loose.  Worth
putting a 2084 on and trying the bolt.

--
  Phil Payne
  http://www.isham-research.com/quattro
  +44 7785 302 803
  +49 173 6242039