Ford F-150 2017–2018 — technical service bulletin
Bulletin SSM 48445 · NHTSA communication 10170923 · issued Jan 13, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2018
model years
2
vehicle entries
Official 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 o
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.