Mazda CX-30 2018–2023 — technical service bulletin

Bulletin 01-006-23 · NHTSA communication 10235413 · issued Apr 26, 2023

Technical service bulletin

communication type

Engine and Engine Cooling

component

2018–2023

model years

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

2020 Mazda CX-30
2021 Mazda CX-30
2022 Mazda CX-30
2023 Mazda CX-30
2018 Mazda CX-5
2019 Mazda CX-5
2020 Mazda CX-5
2021 Mazda CX-5
2022 Mazda CX-5
2023 Mazda CX-5
2019 Mazda MAZDA3
2020 Mazda MAZDA3
2021 Mazda MAZDA3
2022 Mazda MAZDA3
2023 Mazda MAZDA3
2018 Mazda MAZDA6
2019 Mazda MAZDA6
2020 Mazda MAZDA6
2021 Mazda MAZDA6

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.