2011 Mazda CX-9

Here’s a comprehensive breakdown of common issues and complaints for the 2011 Mazda CX-9, organized by category and including estimated repair costs and recall information, all formatted for your website.

The 2011 Mazda CX-9 is a popular three-row SUV known for its sporty handling and stylish design. All models came standard with a 3.7-liter V6 engine producing 273 horsepower and 270 lb-ft of torque, paired with a six-speed automatic transmission. Owners appreciate the CX-9’s responsive steering and comfortable ride. However, some common complaints include issues with the air conditioning system, potential timing chain problems, and electrical glitches.

Engine

3.7L V6

• Timing Chain Issues
  • Description/Symptoms: Rattling noise on startup, especially when cold. Check engine light may illuminate with codes related to timing over-advanced or retarded. Can lead to engine damage if not addressed.
  • Solution: Replacement of the timing chain, tensioners, guides, and potentially the water pump (since it’s often accessed during this repair).
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Visible oil leaks on the engine, often around the valve cover gaskets, timing cover, or rear main seal. Burning oil smell may also be present.
  • Solution: Replacement of the leaking gaskets or seals. More extensive leaks may require more in-depth repair.
  • Estimated Cost to Fix: $150 - $1000+
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: The most common location for a coolant leak in the engine for this specific model is at the water pump. Coolant can also leak from the reservoir overflow tube when the system is overfilled.
  • Solution: Replacement of the leaking water pump or radiator. For an overflow tube, simply remove the overflowed coolant from the reservoir.
  • Estimated Cost to Fix: $300 - $1000+
  • Recalls: None Found

Transmission

6-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Rough or jerky gear changes, especially between 2nd and 3rd gear. May be more pronounced when the transmission is cold.
  • Solution: Transmission fluid flush and replacement. In severe cases, valve body repair or replacement may be necessary.
  • Estimated Cost to Fix: $150 - $1500+
  • Recalls: None Found

Suspension

• Rear Shock Absorber Leaks
  • Description/Symptoms: The rear shocks are prone to leaking and failure due to the weight of the vehicle. This will be noticed by a clunking sound while driving or when the vehicle is bouncing on the rear suspension.
  • Solution: Replacement of the rear shocks.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Electrical

• Air Conditioning Issues
  • Description/Symptoms: Weak or no cold air from the A/C system. Common causes include a failing compressor, a clogged expansion valve, or refrigerant leaks.
  • Solution: Diagnosis of the A/C system to identify the faulty component. Replacement of the compressor, expansion valve, condenser, or refrigerant leak repair.
  • Estimated Cost to Fix: $200 - $1200+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: The vehicle experiences unexpected battery drain that leads to the battery needing to be jump started or replaced.
  • Solution: Diagnose all electrical components to identify shorts that may be drawing current.
  • Estimated Cost to Fix: $100 - $1000+
  • Recalls: None Found
• Power Door Lock Actuator Failure
  • Description/Symptoms: Intermittent or complete failure of one or more power door locks. The door may not lock or unlock with the remote or door switch.
  • Solution: Replacement of the faulty door lock actuator.
  • Estimated Cost to Fix: $150 - $400+ per door
  • Recalls: None Found

Exterior

• Liftgate Strut Failure
  • Description/Symptoms: The rear liftgate will not stay open on its own and falls down.
  • Solution: Replacement of the liftgate struts.
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof may get stuck or not open/close properly.
  • Solution: Check the sunroof rails for debris and clean the rails.
  • Estimated Cost to Fix: $50 - $500+
  • Recalls: None Found
• Navigation/Radio Screen Failure
  • Description/Symptoms: Display screen may flicker, freeze, or go completely blank.
  • Solution: Replacement of the head unit.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Summary

The 2011 Mazda CX-9, while offering a comfortable and sporty driving experience, has some common issues to be aware of. Engine-related problems like timing chain issues can be costly to repair. Transmission harsh shifting is also a prevalent issue. Electrical problems and some exterior issues are present but less of a concern. Overall, potential buyers should carefully inspect the vehicle’s maintenance history and be prepared for possible repairs to the engine, transmission, or electrical systems. Severity of the issues ranges from minor (sunroof cleaning) to severe (timing chain failure), with repair costs ranging from affordable ($100+) to significant ($3000+).