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October 30, 2025 Service bulletin

Oil leakage or seepage from the mating surface between the engine and the transmission

Mazda technical service bulletin SA-050-25 for 2018-2019 Mazda CX-5.

Bulletin number
SA-050-25
Component
Engine
Summary
Some vehicles may exhibit oil leakage or seepage from the mating surface between the engine and the transmission. Upon removing the transmission for inspection, engine oil is found to be seeping/leaking from the blind plug on the rear side of the engine block. This concern may be caused by blind plug sealant degradation.

Owners of these vehicles have filed 321 complaints in the engine category.

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