Some 2017-2018 F-150 vehicles built on or before 10-Jul-2018 and 2018-2019 Expedition/Navigator vehicles...

Bulletin number

SSM 48445

Component

Engine and engine cooling

Summary

Some 2017-2018 F-150 vehicles built on or before 10-Jul-2018 and 2018-2019 Expedition/Navigator vehicles built on or before 8-Apr-2019 with 3.5L EcoBoost may exhibit tick, tap, or rattle type noises from top of engine front cover for 2-5 seconds after a cold start. Replace all 4 VCT units (6256/6C525) and update the PCM calibration. Do not replace other camshaft timing related components unless inspection identifies a concern. Refer to the Workshop Manual, Section 303-01. Claim labor to replace VCTs using published labor operations and PCM programming using M-time. Dealers should order parts only when required to complete a repair. Once the parts are ordered, the vehicle may be returned to the customer to drive. This condition does not affect long term durability or performance.

Owners of these vehicles have filed 960 complaints in the engine category.