Mazda TSB #01-016-16-3220
2007 Mazda MAZDA3
Affected Component: ENGINE (PWS)
- 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 MECHA-NISM AND THE CRITERIA IF REPLACEMENT IS NECESSARY OR NOT.