Ford Expedition 2013–2018 — technical service bulletin
Bulletin SSM 47376 · NHTSA communication 10143100 · issued Jun 22, 2018
Technical service bulletin
communication type
Equipment
component
2013–2018
model years
16
vehicle entries
Official summary
Some 2013-2018 F-150, 2015-2018 Transit/Expedition, and 2015-2017 Navigator vehicles equipped with a 3.5L EcoBoost engine with greater than 20,000 miles may exhibit a tick type noise from the cylinder block area. This noise may be caused by a cracked piston skirt. The noise can be isolated to a cylinder using a stethoscope or other suitable listening device. Canceling the affected cylinder will reduce or eliminate the noise. If the noise is isolated to a specific cylinder, it is recommended to replace the short block. If the noise cannot be isolated using the methods described, refer to the Wo
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.