Mazda TSB #01-022-19-3657
2010 Mazda MAZDA3
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very small coolant leak from the bleed hole. This Service Bulletin is to inform you about the water pump sealing mechanism and the criteria if replacement is necessary or not.