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October 2, 2024 Service bulletin

A new cylinder head assembly for service parts has been newly established for SKYACTIV-G 2.5 with cylinder...

Mazda technical service bulletin SA-073-24a for 2019-2023 Mazda MAZDA3, 2018-2023 Mazda CX-5 and 2018-2021 Mazda MAZDA6 and others.

Bulletin number
SA-073-24a
Component
Engine
Summary
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. Hotline and MASH authorization is not required to order parts for performing this repair. If there are any questions on part ordering or part status, contact the Dealer Assistance Group.

Owners of these vehicles have filed 598 complaints in the engine category.

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