On some vehicles, a tapping or knocking noise may be heard from the top end after the engine cools down...
Mazda technical service bulletin SA-012-19 for 2018-2019 Mazda CX-5 and 2018-2019 Mazda MAZDA6.
- Bulletin number
- SA-012-19
- Component
- Engine
- Summary
- On some vehicles, a tapping or knocking noise may be heard from the top end after the engine cools down (vehicle is parked overnight) or it has been idling for an extended time. The tapping noise will decreases as the vehicle is being driven or if the RPM is held above 2500-3000 RPM.
Owners of these vehicles have filed 356 complaints in the engine category.
Vehicles covered
- Mazda CX-5 2018-2019 20182019
- Mazda MAZDA6 2018-2019 20182019
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