2009 Mazda CX-9

The 2009 Mazda CX-9 is a mid-size crossover SUV known for its sporty handling, stylish design, and relatively spacious interior. It came standard with a 3.7-liter V6 engine producing 273 horsepower and 270 lb-ft of torque, paired with a 6-speed automatic transmission. Owners generally appreciate its driving dynamics and car-like feel, but some dislike its fuel economy and potential for age-related repairs.

Engine

3.7L V6

• Timing Chain Issues
  • Description/Symptoms: Excessive engine noise, especially at startup, indicating a stretched or worn timing chain. Can lead to poor engine performance, misfires, and eventually engine failure if not addressed.
  • Solution: Replacement of the timing chain, guides, and tensioners.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Water Pump Failure
  • Description/Symptoms: Overheating, coolant leaks, and engine damage if not addressed quickly.
  • Solution: Replacement of the water pump.
  • Estimated Cost to Fix: $600 - $1,000
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil spots under the vehicle, burning oil smell, low oil levels. Leaks often occur from valve cover gaskets or the front timing cover.
  • Solution: Replacement of the leaking gaskets or seals.
  • Estimated Cost to Fix: $200 - $800+ depending on the location of the leak.
  • Recalls: None Found

Transmission

6-Speed Automatic Transmission

• Torque Converter Failure
  • Description/Symptoms: Shuddering during acceleration, especially at lower speeds, and/or transmission slipping.
  • Solution: Replacement of the torque converter, and possibly a transmission flush/filter change.
  • Estimated Cost to Fix: $800 - $2,000
  • Recalls: None Found
• Slipping or Harsh Shifting
  • Description/Symptoms: Delayed engagement, rough shifts between gears, or complete loss of drive. Often caused by worn clutch packs or valve body issues.
  • Solution: Transmission rebuild or replacement.
  • Estimated Cost to Fix: $3,000 - $5,000+
  • Recalls: None Found

Suspension

• Worn Suspension Components
  • Description/Symptoms: Clunking noises from the suspension, especially over bumps, poor handling, and uneven tire wear. Common culprits include worn struts, shocks, control arm bushings, and ball joints.
  • Solution: Replacement of the worn suspension components.
  • Estimated Cost to Fix: $200 - $800+ per component, depending on the part and labor.
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Dead battery, requiring frequent jump starts. Can be caused by a faulty alternator, parasitic draw from an electrical component, or an old/failing battery.
  • Solution: Diagnose and repair the source of the drain, replace the battery and/or alternator as needed.
  • Estimated Cost to Fix: $100 - $500+ depending on the cause.
  • Recalls: None Found
• Power Window Motor Failure
  • Description/Symptoms: Window fails to roll up or down, or moves slowly and erratically.
  • Solution: Replacement of the power window motor.
  • Estimated Cost to Fix: $200 - $400 per window.
  • Recalls: None Found

Exterior

• Rear Liftgate Strut Failure
  • Description/Symptoms: Liftgate will not stay open on its own, requiring manual support.
  • Solution: Replacement of the liftgate struts.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found

Interior

• HVAC Blower Motor Failure
  • Description/Symptoms: The blower motor stops working, resulting in no airflow from the vents.
  • Solution: Replacement of the blower motor.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found
• Climate Control Actuator Failure
  • Description/Symptoms: Clicking noises behind the dashboard and/or issues regulating temperature.
  • Solution: Replacement of the climate control actuator.
  • Estimated Cost to Fix: $200 - $600
  • Recalls: None Found

Summary

The 2009 Mazda CX-9 can be a reliable vehicle, but it is essential to be aware of common issues, particularly with the engine and transmission, given its age. The timing chain and water pump issues can lead to significant repair bills if not addressed proactively. Electrical problems such as battery drain and power window motor failure are also common. While some repairs are relatively inexpensive, others can be quite costly. When buying a used 2009 CX-9, a thorough inspection by a qualified mechanic is highly recommended.