Powertrain complaints and recalls from NHTSA
Summary
The 2018 Mazda CX-9 has 11 NHTSA powertrain complaints and 0 powertrain-related recalls.
11
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 10, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Sep 8, 2025 | POWER TRAIN,ELECTRICAL SYSTEM,SERVICE BRAKES | my 2018 MAZDA CX-9 safety issue SCBS / SBS, LAS / LDWS, MASTER AND/OR HBC WARNING LIGHTS Forward sen... |
| Sep 20, 2024 | POWER TRAIN,ENGINE | coolant leaks at cylinder head , Mazda of America knows issues but not willing to recall , they hava... |
| Jul 29, 2024 | POWER TRAIN,ENGINE | Engine is leaking coolant apparently due to a cracked engine block caused by a manufacturing defect ... |
| Jun 10, 2024 | POWER TRAIN,ENGINE | My car started leaking coolant from cylinder, it is known issue for these models, unfortunately Mazd... |
| Feb 6, 2024 | POWER TRAIN | My vehicle had a coolant leak st the cylinder head around the exhaust manifold. The problem was conf... |
| Dec 15, 2023 | POWER TRAIN,ENGINE | At 102,000 miles I have a cracked cylinder head |
| Oct 9, 2023 | POWER TRAIN,ENGINE | Went in to the mechanic to get a regular oil change and noticed a liquid slushing sound after starti... |
| Mar 30, 2023 | POWER TRAIN | The vehicle has a cracked cylinder head as a result of stress put on the block from a bad exhaust ma... |
| Mar 18, 2023 | POWER TRAIN,ENGINE | I own a 2018 Mazda CX – 9 with only 53,300 miles. I noticed something was wrong with my engine and ... |
| Feb 11, 2023 | POWER TRAIN,ENGINE | This weekend Mazda CX-9 started leaking coolant from the firewall side. |
| Feb 8, 2023 | POWER TRAIN,ENGINE | Coolant leak into cylinder head, resulting in overheating and blown head gasket. Repair cost was $7... |