Some vehicles equipped with a coolant control valve may exhibit difficulties when refilling the coolant...
Mazda technical service bulletin SA-065-22 for 2019-2023 Mazda MAZDA3, 2017-2023 Mazda CX-5 and 2018-2021 Mazda MAZDA6 and others.
- Bulletin number
- SA-065-22
- Component
- Engine and engine cooling
- Summary
- Some vehicles equipped with a coolant control valve may exhibit difficulties when refilling the coolant because the control valve is closed and air in the engine cannot escape during ignition ON. Therefore, turn the ignition OFF when refilling engine coolant using the radiator filler neck.
Owners of these vehicles have filed 624 complaints in the engine category.
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