How can I tell what oil is in my 7.3L PowerStroke?
How can I tell what oil is in my 7.3L PowerStroke? Also, always use your dipstick to determine when your 7.3 has the correct oil or fluid. Depending on your axle, fluid fill specifications vary. Check the owner’s manual to get the proper fluid fill recommendations. 7.3L Powerstroke Online owner’s manuals and diesel supplements are available for free. Where does the oil go in a Turbo return line? Braided Turbo Return Line Engine oil under pressure enters the bearing housing of the impeller shaft from the oil inlet side. This oil passes bearing and the wheel journal surfaces lubricating and...