

▲ 3 r/Diesel
Oil in expansion tank
My xud9te has got oil in the coolent but no coolent on the dipstick and the headgasket tester shows it’s fine, the previous owner appears to have bypassed the oil cooler so i don’t think it’s that unless there’s a way it can mix without the pipes connected? Any suggestions on what this could be caused by?
u/stoutsummer — 5 days ago