Originally Posted by
markcro
Ah yeah mine has been like that for 17 years and looked as gunky as yours. Then last year I sprayed on some engine degreaser and cold pressure washed it. It took about 3 minutes and the engine block and pulley brackets all look like new. A year later they are still spotless so I'll clean it again in another 18 years! ;-)
I would clean yours and then keep you eye on it to see how much oil is actually leaking. It is probably just the common slow seep issue. I wouldn't worry about it unless it's pissing out.