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June 6, 2025 Service bulletin

A tapping/rattling noise may be noticed from the valve train area

Mazda technical service bulletin SA-030-25 for 2021-2025 Mazda MAZDA3, 2021-2025 Mazda CX-5 and 2021 Mazda MAZDA6 and others.

Bulletin number
SA-030-25
Component
Engine
Summary
A tapping/rattling noise may be noticed from the valve train area. This operating condition can occur on new vehicles which have been delivered to Mazda dealers (due to loading and unloading from transport trucks or customers moving their vehicles in and out of their garages to wash the vehicle, etc.). This condition may also occur if the engine is not allowed to warm up after multiple cold starts.

Owners of these vehicles have filed 230 complaints in the engine category.

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