Hi Jetronic - many thanks for the response. It's soot falling out of suspension. I used the word sludge, but could not think of a better word. The Penrite is not a dedicated diesel oil, although it meets the specification outlined by Toyota. I'm guessing the Delvac 1 being a specific diesel...
Hi all,
A recently had the sump off my 1VD-FTV Landcruiser (diesel) and noted there was some soot/sludge precipitated on the walls of the crankcase. I also noticed that the inside of the oil filter housing also was not that clean either. I know diesels get dirty but I'd thought with my 5kkm...