2009 INFINITI G37

2009 INFINITI G37

Overview

The 2009 INFINITI G37 is a well-regarded luxury sport sedan known for its potent V6 engine and engaging driving dynamics. Generally, it offers a solid reliability record, reflecting INFINITI’s commitment to quality engineering. Owners often praise its performance and upscale interior. While most owners report a positive ownership experience with minimal unexpected repairs, like any vehicle, certain components can experience issues over time. This analysis focuses on documented, non-wear-and-tear related problems that may arise, providing insights into potential repair areas and associated costs for the specific engine and transmission configurations available for this model year.

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Engine

3.7L V6 (VQ37VHR)

Oil Leaks (Valve Covers/Gaskets)

• Symptoms: Visible oil on the engine block, burning oil smell, low oil level.
• Solution: Replacement of valve cover gaskets or seals.
• Cost: $300 - $600

Variable Valve Timing (VVT) Actuator Issues

• Symptoms: Check engine light, rough idle, rattling noise from the engine, reduced engine power.
• Solution: Replacement of VVT actuators and potentially related sensors.
• Cost: $800 - $1500

Transmission

5-Speed Automatic (RE5R05A)

Harsh Shifting / Delayed Engagement

• Symptoms: Jerky gear changes, difficulty shifting into gear, transmission slipping.
• Solution: Transmission fluid flush and filter replacement, or internal transmission repair/rebuild.
• Cost: $400 - $1200 (for flush/filter), $2000 - $4000 (for rebuild)

6-Speed Manual

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Suspension

Standard Chassis

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Electrical

Standard System

Infotainment System Glitches

• Symptoms: Screen freezing, unresponsive touch controls, Bluetooth connectivity issues.
• Solution: Software updates, or replacement of the infotainment unit.
• Cost: $100 - $300 (for software), $1000 - $2500 (for unit replacement)

Keyless Entry/Start System Malfunctions

• Symptoms: Difficulty starting the car, key fob not recognized, door locks not functioning.
• Solution: Reprogramming of key fobs, replacement of intelligent key module or related sensors.
• Cost: $200 - $500

Exterior

Standard Body and Trim

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Interior

Standard Cabin Materials

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

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Summary Verdict

The 2009 INFINITI G37 generally exhibits good reliability, particularly with its robust 3.7L V6 engine and manual transmission. The automatic transmission, while functional, has seen some reports of harsh shifting that may require attention. Electrical components, such as the infotainment and keyless entry systems, can occasionally present glitches or malfunctions that necessitate repair or reprogramming. Engine oil leaks from valve covers are a common, though typically not critical, issue that arises with age and mileage. Overall, the G37 is a dependable vehicle, with most potential issues being manageable and not indicative of systemic failure. Regular maintenance and addressing minor concerns promptly can ensure continued reliable performance.