2015 Mazda CX-9

The 2015 Mazda CX-9 is a three-row SUV praised for its sporty handling, comfortable ride, and stylish design. It’s powered by a single engine option: a 3.7-liter V6 engine producing 273 horsepower and 270 lb-ft of torque, paired with a six-speed automatic transmission. People generally appreciate the CX-9’s driving dynamics, interior quality, and spaciousness. Common complaints revolve around its fuel economy compared to newer SUVs, its outdated infotainment system, and some reliability concerns.

Engine

3.7L V6

• Timing Chain Issues
  • Description/Symptoms: The timing chain can stretch or wear prematurely, leading to a rattling noise, especially on startup. This can trigger a check engine light with codes related to timing discrepancies.
  • Solution: Replacement of the timing chain, tensioners, guides, and potentially other related components.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found
• Water Pump Failure
  • Description/Symptoms: The water pump can fail, leading to coolant leaks and potential engine overheating. Symptoms include a visible coolant leak near the water pump, engine temperature rising above normal, and steam coming from under the hood.
  • Solution: Replacement of the water pump and coolant flush.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found

Transmission

6-Speed Automatic

• Torque Converter Issues
  • Description/Symptoms: Torque converter failure can cause shuddering or vibration, especially at lower speeds or during acceleration. It may also lead to difficulty shifting gears.
  • Solution: Replacement of the torque converter or a full transmission rebuild.
  • Estimated Cost to Fix: $800 - $3,000+ depending on whether it needs to be rebuilt or replaced.
  • Recalls: None Found

Suspension

• Rear Shock Absorber Failure
  • Description/Symptoms: Premature failure of the rear shock absorbers can lead to a bouncy or unstable ride, especially over bumps.
  • Solution: Replacement of the rear shock absorbers.
  • Estimated Cost to Fix: $300 - $600+ for both rear shocks.
  • Recalls: None Found

Electrical

• Battery Drain Issues
  • Description/Symptoms: Some owners have reported issues with the battery draining overnight, leading to a no-start condition. This can be caused by a parasitic draw from a faulty module or accessory.
  • Solution: Diagnosis and repair of the source of the parasitic draw, which may involve replacing a faulty module or accessory.
  • Estimated Cost to Fix: $100 - $500+ depending on the source of the drain.
  • Recalls: None Found

Interior

• Navigation System Malfunctions
  • Description/Symptoms: The navigation system screen freezes, reboots spontaneously, or displays inaccurate information.
  • Solution: Software updates, replacement of the navigation unit, or inspection of the wiring harness.
  • Estimated Cost to Fix: $100 - $1,000+ depending on severity of the issue.
  • Recalls: None Found

Summary

The 2015 Mazda CX-9 has some common issues, most notably regarding the engine’s timing chain and water pump, as well as potential issues with the transmission’s torque converter. Suspension issues with rear shock absorbers and electrical battery drain problems can also occur. Interior issues regarding the navigation system can also occur. While not every CX-9 will experience all these problems, potential buyers should be aware of these common concerns. The severity of these issues ranges from relatively minor to potentially expensive repairs, with costs ranging from a few hundred dollars to several thousand dollars. It’s advisable to have a pre-purchase inspection performed by a qualified mechanic to assess the vehicle’s condition and identify any potential problems.