2009 Mazda CX-9 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 2%of 59 total for the year
- Median mileage
- 120,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2009 Mazda CX-9, 2% of the 59 complaints for this model year. Where a mileage was given, the median is 120,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2009 Mazda CX9. The contact stated while driving at an undisclosed speed, the hot engine temperature warning light illuminated. The contact pulled over and added coolant to the reservoir and waited for the engine to cool down. The warning light remained illuminated. The contact was concerned that the failure was related to the water pump on the vehicle not working as needed. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 120,000.”
NHTSA complaint #11433885, filed 2021-09, 120,000 milesRelated service bulletins
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- 10194657May 5, 2021If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal Workshop Manual…
- 10186693Jan 21, 2021Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as…
Engine cooling: other model years
Other parts of the 2009 Mazda CX-9
17 complaintsAir bags
16 complaintsSuspension
6 complaintsTransmission and drivetrain
6 complaintsEngine
4 complaintsTires
3 complaintsExterior lighting
2 complaintsOther or unknown
2 complaintsSeat belts
2 complaintsSteering
2 complaintsWheels
2 complaintsVehicle speed control
1 complaints
← All problems reported for the 2009 Mazda CX-9
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology