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2009 INFINITI M35

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By Research the Car 1 min read

Introduction to the 2009 INFINITI M35

The 2009 INFINITI M35 is a midsize luxury sedan that delivers a blend of performance and comfort. It comes equipped with a 3.5L V6 engine producing 303 horsepower and 260 lb-ft of torque, paired with a 7-speed automatic transmission. Other engine and transmission configurations include the M35h hybrid with a 3.5L V6 engine paired with an electric motor and a continuously variable transmission (CVT).

Owners appreciate the M35’s powerful engine, smooth ride, and well-equipped interior. However, some have reported certain issues with the vehicle, which are outlined below.

Engine

3.5L V6

  • Intake Valve Deposit Buildup
    • Description/Symptoms: Reduced engine power, hesitation during acceleration, rough idling
    • Solution: Clean intake valves
    • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found
  • Timing Chain Noise
    • Description/Symptoms: Excessive rattling noise from the engine, particularly on cold starts
    • Solution: Replace timing chain and related components
    • Estimated Cost to Fix: $2,000 - $4,000
    • Recalls: None Found

Transmission

7-Speed Automatic

  • Delayed or Rough Shifting
    • Description/Symptoms: Transmission hesitates or stumbles during gear changes
    • Solution: Update transmission control module (TCM) software, may require transmission rebuild if severe
    • Estimated Cost to Fix: $300 - $2,000
    • Recalls: None Found

Suspension

No Issues Found

Electrical

  • Sunroof Drain Clogging
    • Description/Symptoms: Water leaks into the cabin from the sunroof area
    • Solution: Clean sunroof drains
    • Estimated Cost to Fix: $100 - $300
    • Recalls: None Found

Exterior

No Issues Found

Interior

  • Instrument Cluster Malfunction
    • Description/Symptoms: Gauges and indicators in the instrument cluster stop functioning or display incorrect information
    • Solution: Replace instrument cluster
    • Estimated Cost to Fix: $700 - $1,500
    • Recalls: None Found

Summary

The 2009 INFINITI M35 is a generally reliable vehicle with a few potential issues to be aware of. The engine and transmission issues, if not addressed promptly, can be costly to repair. The electrical issue with the sunroof drain is a minor inconvenience but can lead to more serious problems if not resolved. Overall, the M35’s driving experience and comfort are valued by many owners, but potential buyers should be aware of these possible issues before purchasing.

INFINITI, M35
INFINITI M35 2009
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