New Cylinder Head Assembly Established: A new cylinder head assembly for service parts has been newly...
Mazda technical service bulletin SA-031-21c for 2019-2021 Mazda MAZDA3, 2018-2021 Mazda CX-5 and 2018-2021 Mazda MAZDA6 and others.
- Bulletin number
- SA-031-21c
- Component
- Engine and engine cooling
- Summary
- New Cylinder Head Assembly Established: A new cylinder head assembly for service parts has been newly established for SKYACTIV-G 2.5 with cylinder deactivation when replacement is needed. Valves, valve springs, valve spring seats, and cotters (IN/EX) are included in the new assembly.
Owners of these vehicles have filed 558 complaints in the engine category.
Vehicles covered
- Mazda MAZDA3 2019-2021 201920202021
- Mazda CX-5 2018-2021 2018201920202021
- Mazda MAZDA6 2018-2021 2018201920202021
- Mazda CX-30 2020-2021 20202021
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