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*The Ford Super Duty received the lowest rate of reported problems among Large Heavy Duty Pickups (tie) in the J.D. Power 2018 U.S. Initial Quality Studies of new vehicle owners' experience with their own vehicle after 90 days of ownership.
This noise is characteristic of the 6.7L diesel engine and will typically cease or diminish significantly within the oil change maintenance interval. Refer to vehicle Owner Guides and Maintenance Guides for approved engine oil viscosities and usage information.