2009 INFINITI G37

Alright, here’s a breakdown of common issues and complaints for the 2009 INFINITI G37, categorized by major components and specific engine/transmission options.

The 2009 INFINITI G37 is a popular luxury sport coupe and sedan known for its performance and stylish design. It comes equipped with a potent 3.7-liter VQ37VHR V6 engine, producing around 330 horsepower and 270 lb-ft of torque. Transmission options include a 6-speed manual and a 5-speed automatic. Owners generally appreciate the G37’s engaging driving experience, responsive engine, and upscale interior. Common complaints include higher than average maintenance costs, some reliability concerns, and relatively poor fuel economy compared to some competitors.

Engine

3.7L VQ37VHR V6

• Oil Consumption
  • Description/Symptoms: Excessive oil consumption, requiring frequent oil top-offs between scheduled oil changes. This is often noticeable by blue smoke coming from the exhaust, especially upon start-up or acceleration.
  • Solution: In some cases, a PCV valve replacement can help. More severe cases may require piston ring replacement or engine rebuild.
  • Estimated Cost to Fix: $50 (PCV Valve) - $3,000+ (Engine Rebuild)
  • Recalls: None Found
• Valve Cover Gasket Leak
  • Description/Symptoms: Oil leaking from the valve cover gaskets, leading to oil drips on the exhaust manifold, resulting in a burning oil smell. Visible oil residue around the valve covers is also a sign.
  • Solution: Replacement of the valve cover gaskets.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found
• Timing Chain Rattle (Potential)
  • Description/Symptoms: A rattling noise, especially on start-up, indicating potential timing chain wear or tensioner issues.
  • Solution: Replacement of the timing chain, tensioners, and guides.
  • Estimated Cost to Fix: $1,000 - $2,000
  • Recalls: None Found

Transmission

5-Speed Automatic Transmission

• Transmission Slipping/Harsh Shifting
  • Description/Symptoms: The transmission may slip between gears, exhibit harsh or delayed shifting, or fail to shift properly. This is more common in higher mileage vehicles.
  • Solution: Transmission fluid flush and replacement, valve body replacement, or complete transmission rebuild or replacement.
  • Estimated Cost to Fix: $150 (Fluid Flush) - $3,000+ (Transmission Replacement)
  • Recalls: None Found

6-Speed Manual Transmission

• Clutch Issues
  • Description/Symptoms: Clutch slippage, difficulty engaging gears, or a noisy clutch during engagement.
  • Solution: Clutch replacement.
  • Estimated Cost to Fix: $1,000 - $2,000
  • Recalls: None Found

Suspension

• Front Lower Control Arm Bushing Failure
  • Description/Symptoms: Clunking noises from the front suspension, especially when going over bumps. Worn or cracked lower control arm bushings.
  • Solution: Replacement of the front lower control arms or just the bushings if possible.
  • Estimated Cost to Fix: $300 - $800 (depending on replacing the entire arm or just bushings)
  • Recalls: None Found
• Rear Shock Absorber Leaks
  • Description/Symptoms: Visible oil leaks on the rear shock absorbers. Bouncier ride and reduced handling performance.
  • Solution: Replacement of the rear shock absorbers.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Electrical

• Window Motor Failure
  • Description/Symptoms: Window not going up or down, or going up or down slowly and erratically.
  • Solution: Window motor replacement.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found
• IPDM (Intelligent Power Distribution Module) Failure
  • Description/Symptoms: Intermittent electrical issues, such as the vehicle not starting, lights not working, or other electrical components malfunctioning.
  • Solution: Replacement of the IPDM.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Exterior

• Automatic Headlight Sensor Issues
  • Description/Symptoms: Headlights not turning on automatically at night or turning on during the day, indicating a faulty sensor.
  • Solution: Replacement of the automatic headlight sensor.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found

Interior

• Navigation System Failure
  • Description/Symptoms: Navigation system malfunctioning, freezing, or displaying incorrect information.
  • Solution: Software update or replacement of the navigation system unit.
  • Estimated Cost to Fix: $100 (Software Update) - $1,000+ (Unit Replacement)
  • Recalls: None Found
• Bluetooth Connectivity Issues
  • Description/Symptoms: Difficulty pairing devices via Bluetooth, dropped connections, or poor sound quality during calls.
  • Solution: Software update or replacement of the Bluetooth module.
  • Estimated Cost to Fix: $0 - $300
  • Recalls: None Found

Summary

The 2009 INFINITI G37, while a desirable vehicle for its performance and styling, does have some potential problem areas. Engine issues like oil consumption can be costly to address, and transmission issues (especially with the automatic) can be significant. Suspension components and electrical gremlins are also relatively common. The severity of these issues varies depending on the vehicle’s maintenance history and mileage. While some repairs are relatively inexpensive, others, such as engine rebuilds or transmission replacements, can be substantial. It’s important to have a pre-purchase inspection performed by a qualified mechanic to identify any potential problems before buying a used 2009 G37.