Ford Expedition 2017–2020 — technical service bulletin
Bulletin 21N03-S3 · NHTSA communication 10204046 · issued Nov 19, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2020
model years
10
vehicle entries
Official summary
Certain 2017-2020 Model Year F-150, 2018-2020 Expedition, and 2018-2020 Navigator Vehicles Equipped with a 3.5L GTDI Engine Cam Phaser Replacement REASON FOR THIS SUPPLEMENT â ¢ Parts Requirements / Ordering Information - Due to limited availability of originally specified parts, alternate option parts have been added. â ¢ Submitting Claims with Customer Loyalty Program for Balance Remaining â  Added instructions on how to use Lincoln Loyalty funds.
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.