Hi can any one help me I have crank case compresson on my xc90 d5 desel it's done 128000 miles I have changed the oil filter housing and fire trap/Pcv and cleaned all the hoses and and I still have it it pulls like a train and there is no engine noise the only things I haven't touched is the oil cooler at the back bolted to the sump can any one give me any ideas thanks in advance