Mazda CX-30 2018–2023 — technical service bulletin
Bulletin 01-002-25 · NHTSA communication 11016198 · issued Mar 6, 2025
Technical service bulletin
communication type
Engine
component
2018–2023
model years
15
vehicle entries
Official summary
Some vehicles may exhibit oil seepage or oil leak onto the engine front cover, which becomes more apparent with dust adhesion.
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.