Ford F-250 SD 2011–2014 — technical service bulletin
Bulletin SSM 50330 · NHTSA communication 10205475 · issued Dec 8, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2014
model years
16
vehicle entries
Official summary
Some 2011 2014 F-Super Duty vehicles equipped with 6.7L diesel engine may experience an exhaust leak due to broken exhaust manifold studs. New parts have been released to service this condition. Replace the exhaust manifold on the side with a broken stud. On cylinders 1,2,3,5,6 and 7 use stud part number W715713-S431. If replacing the studs on cylinders 4 and/or 8 use stud part number W717172-S900 and replace both studs and install new spacers and heat shields on the affected side(s). Refer to Workshop Manual, Section 303-01. Part numbers: heat shield left side, FC3Z-9Y427-A and DC3Z-9A462-B f
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.