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Mazda TSB #01-013-21-3753a
2019 Mazda MAZDA6
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- Coolant Leaks At Cylinder Head: Some vehicles may have coolant leaks at the cylinder head around the exhaust manifold (as shown below). There may be cracks at the stud bolt hole (1) or at the outside of the exhaust manifold (2).
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