Ford Explorer 2022–2023 — technical service bulletin
Bulletin SSM 51074 · NHTSA communication 10219657 · issued Sep 12, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022–2023
model years
3
vehicle entries
Official summary
Some 2022 Explorer/Police Interceptor Utility and 2022-2023 Aviator vehicles built on or before 19-Aug-2022 and equipped with 3.0L Ecoboost engines may exhibit an engine coolant leak at the water pump output spigot to the transmission oil cooler inlet hose connection. This may be due to the connection at the water pump outlet to coolant hose. To correct this condition, replace the coolant hose assembly with service part number L1MZ-7G071-A.
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.