It may be possible that an undesirable noise may develop from the cam phasers in the 3.5L GTDI engine
Ford technical service bulletin 21B10-S2 for 2017-2020 Ford F-150, 2018-2020 Ford Expedition and 2018-2020 Lincoln Navigator.
- Bulletin number
- 21B10-S2
- Component
- Engine and engine cooling
- Summary
- It may be possible that an undesirable noise may develop from the cam phasers in the 3.5L GTDI engine. This noise might occur as a rattle when starting the engine after your vehicle was turned off for an extended period of time, or as a knocking noise when the engine is idling after it is warmed up.
Owners of these vehicles have filed 1,817 complaints in the engine category.
Vehicles covered
- Ford F-150 2017-2020 2017201820192020
- Ford Expedition 2018-2020 201820192020
- Lincoln Navigator 2018-2020 201820192020
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