Ford Bronco 2023 — technical service bulletin
Bulletin SSM 51754 · NHTSA communication 10238446 · issued Jun 29, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023
model years
3
vehicle entries
Official summary
Some 2023 Bronco/Ranger/Explorer vehicles equipped with a 2.3L EcoBoost engine and built on 27-Mar-2023 and through 18-May-2023 may experience a loss of coolant with coolant in the oil. This may be caused by a cracked engine block. If this condition is present, replace the engine long block assembly. Refer to Workshop Manual (WSM), Section 303-01. For claiming use causal part number 6010 and applicable labor operations in Section 06 of the Service Labor Time Standards (SLTS) Manual.
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.