Ford Bronco 2023 — technical service bulletin
Bulletin 23B08 · NHTSA communication 10233849 · issued Mar 1, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023
model years
3
vehicle entries
Official summary
Certain 2023 Model Year Explorer, Bronco, Ranger Vehicles Equipped with 2.3L Gas Engine In all of the affected vehicles, a damaged tool used during the engine block machining process may have allowed the main oil galley to exceed specification, resulting in an insufficient seal of the main oil galley plug. An insufficient seal at the main oil galley plug may result in an oil leak from the engine block.
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.