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February 7, 2023 Service bulletin

The rear differential case could develop a crack in the case

Mazda technical service bulletin SA-007-23 for 2017-2022 Mazda CX-5, 2017-2022 Mazda CX-9 and 2017-2021 Mazda CX-3.

Bulletin number
SA-007-23
Component
Power train
Summary
The rear differential case could develop a crack in the case. NOTE: This could affect new vehicles just delivered to the dealer as well as customer vehicles. This concern is caused when the sliding bearing (1) in the coupling (2) is seized and causes the coupling component to fit loosely. The pinion shaft head (3) then contacts the differential case and causes a crack.

Owners of these vehicles have filed 147 complaints in the transmission category.

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