2008 Mazda CX-9

The 2008 Mazda CX-9 is a popular three-row crossover SUV known for its sporty handling, stylish design, and spacious interior. It was only offered with one engine option: a 3.7-liter V6 producing 273 horsepower and 270 lb-ft of torque. This engine was paired with a 6-speed automatic transmission. Owners generally appreciate the CX-9’s driving dynamics and family-friendly features. However, some common complaints include issues with the water pump, catalytic converters, air conditioning, and general electrical problems. Some owners have found that the MPG doesn’t meet their expectations and the turning radius is larger than they’d prefer.

Engine

3.7L V6

• Water Pump Failure
  • Description/Symptoms: Coolant leaks, engine overheating, and a whining noise coming from the front of the engine.
  • Solution: Replace the water pump.
  • Estimated Cost to Fix: $400 - $800+
• Catalytic Converter Failure
  • Description/Symptoms: Check engine light illuminated, reduced engine performance, and failing emissions tests.
  • Solution: Replacement of the faulty catalytic converter(s).
  • Estimated Cost to Fix: $800 - $2000+
  • Recalls: None Found
• Timing Chain Issues
  • Description/Symptoms: Rattling noise upon startup or during engine operation, check engine light may illuminate. Can lead to significant engine damage if left unresolved.
  • Solution: Replace the timing chain, guides, and tensioners.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found

Transmission

6-Speed Automatic

• Transmission Slipping/Harsh Shifting
  • Description/Symptoms: Noticeable slipping between gears, delayed engagement, or rough/jerky shifting.
  • Solution: Requires professional diagnosis. Could be due to low fluid, faulty solenoids, or internal damage requiring a rebuild or replacement.
  • Estimated Cost to Fix: $200 - $500 (fluid/solenoid) to $3000 - $6000+ (rebuild/replace)
  • Recalls: None Found

Suspension

• Worn Suspension Components
  • Description/Symptoms: Clunking or rattling noises when driving over bumps, excessive bouncing, uneven tire wear, and poor handling. Common culprits include worn struts/shocks, sway bar links, and ball joints.
  • Solution: Replacement of the worn suspension components.
  • Estimated Cost to Fix: $200 - $1000+ per corner depending on which parts need to be replaced.

Electrical

• Air Conditioning Issues
  • Description/Symptoms: AC blows warm air, intermittent cooling, or no cooling at all. Common problems include a faulty compressor, refrigerant leaks, or a malfunctioning AC control module.
  • Solution: Diagnosis by an AC specialist to identify the root cause. Repair or replacement of the faulty component(s).
  • Estimated Cost to Fix: $100 - $1500+ depending on the issue
  • Recalls: None Found
• TPMS Sensor Failure * Description/Symptoms: TPMS warning light stays illuminated even with proper tire pressure. * Solution: Replacement of faulty sensors. * Estimated Cost to Fix: $50 - $200+ per sensor

Exterior

• Rust
  • Description/Symptoms: Rust on rocker panels, door sills, and wheel wells.
  • Solution: Repair or replacement of rusted panels
  • Estimated Cost to Fix: $200 - $2000+ depending on severity.
  • Recalls: None Found

Interior

• Power Seat Malfunction
  • Description/Symptoms: Power seats do not adjust properly or stop working entirely.
  • Solution: Diagnose the motor and replace parts as needed.
  • Estimated Cost to Fix: $100 - $500+ depending on the issue.
  • Recalls: None Found

Summary

The 2008 Mazda CX-9 is a generally reliable vehicle but has some common issues to watch out for. Engine-related problems like water pump failure and catalytic converter issues can be costly to repair. Transmission slipping and harsh shifting are also concerns. Suspension components are subject to wear, and electrical issues like AC problems can arise. Overall, be prepared for potential maintenance costs and thoroughly inspect any used 2008 CX-9 before purchasing.