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November 1, 2025 Service bulletin

On some vehicles, the engine oil appears to be milky white during engine oil inspection or replacement

Mazda technical service bulletin 01-006-25 for 2025-2026 Mazda CX-50 Hybrid.

Bulletin number
01-006-25
Component
Engine
Summary
On some vehicles, the engine oil appears to be milky white during engine oil inspection or replacement. This is caused by moisture in the blow-by gas mixing with the engine oil when driving repeatedly for short distances in extremely low temperatures. NOTE: Inform the customer that the vehicle engine needs to to warm up to normal operating temperature in extremely cold temperatures to remove the moisture in the engine. Oil change will be covered one time only under Warranty. Customers having this concern should have their vehicle repaired using the following repair procedure.

Owners of these vehicles have filed 2 complaints in the engine category.

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