Posted 9/30/2020 05:59 (#8522365 - in reply to #8521980) Subject: RE: Oil change on CIH 5140
sw corner ia.
egr and scr plus def is what makes it burn "cleaner". exhaust gases passing through motor oil will leave soot in the oil for the filter to clean out, which has a very limited capacity for that.
sad, diesels were the greatest idea ever for internal combustion motors.