2007 INFINITI G35

The 2007 INFINITI G35 is a sporty and luxurious sedan known for its performance and stylish design. It was offered with a 3.5L V6 engine in two different tunes: the standard version producing around 275 horsepower and 268 lb-ft of torque, and a higher-output version (found in the G35 Coupe and Sport models) producing around 306 horsepower and 268 lb-ft of torque. Transmission options included a 5-speed automatic and a 6-speed manual. Owners generally appreciate the G35’s handling, acceleration, and upscale interior. Common dislikes often include higher fuel consumption compared to competitors and some reported reliability concerns as the car ages.

Engine

3.5L VQ35DE V6 (275/306 hp)

• Oil Consumption
  • Description/Symptoms: Excessive oil consumption, requiring frequent top-ups. Blue smoke from the exhaust may be present, particularly during startup or acceleration.
  • Solution: Possible solutions include replacing the valve stem seals, piston rings, or, in severe cases, engine replacement.
  • Estimated Cost to Fix: $500 - $4000+ (depending on the severity and repair needed)
  • Recalls: None Found
• Camshaft Position Sensor Failure
  • Description/Symptoms: Engine stalling, rough idling, difficulty starting, and the check engine light illuminating. Diagnostic codes P0340 and P0345 are commonly associated.
  • Solution: Replacing the faulty camshaft position sensor(s).
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found
• Crankshaft Position Sensor Failure
  • Description/Symptoms: Engine stalling, rough idling, difficulty starting, and the check engine light illuminating. Diagnostic code P0335 is commonly associated.
  • Solution: Replacing the faulty crankshaft position sensor.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found
• Valve Cover Gasket Leaks
  • Description/Symptoms: Oil leaks around the valve cover, potentially dripping onto the exhaust manifold causing a burning smell.
  • Solution: Replacing the valve cover gaskets.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Transmission

5-Speed Automatic Transmission

• Transmission Slipping/Harsh Shifting
  • Description/Symptoms: Slipping between gears, delayed engagement, or harsh and jerky shifts.
  • Solution: Possible solutions include transmission fluid flush, valve body repair/replacement, or complete transmission rebuild/replacement.
  • Estimated Cost to Fix: $150 (fluid flush) - $3500+ (rebuild/replacement)
  • Recalls: None Found

6-Speed Manual Transmission

• Clutch Failure
  • Description/Symptoms: Clutch slipping, difficulty shifting, or complete loss of clutch engagement.
  • Solution: Clutch replacement (pressure plate, disc, and throw-out bearing).
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found

Suspension

• Front Strut/Shock Absorber Failure
  • Description/Symptoms: Bouncy ride, excessive body roll, clunking noises when going over bumps.
  • Solution: Replacing the struts/shock absorbers.
  • Estimated Cost to Fix: $300 - $800+ (per pair)
  • Recalls: None Found
• Control Arm Bushing Wear
  • Description/Symptoms: Clunking noises, vague steering, uneven tire wear.
  • Solution: Replacing the worn control arm bushings or the entire control arm assembly.
  • Estimated Cost to Fix: $200 - $600+ (per arm)
  • Recalls: None Found

Electrical

• Fuel Gauge Inaccuracy
  • Description/Symptoms: Fuel gauge showing inaccurate fuel levels.
  • Solution: Replacing the fuel level sending unit.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: The battery is dead or weak after sitting for a short period of time.
  • Solution: Performing a parasitic draw test to locate the source of the drain.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• Door Handle Failure
  • Description/Symptoms: The door handle breaks or becomes difficult to use.
  • Solution: Replacing the broken door handle.
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Interior

• Navigation System Failure
  • Description/Symptoms: The navigation screen freezes, malfunctions, or stops working completely.
  • Solution: Possible solutions include resetting the system, replacing the navigation unit, or updating the software.
  • Estimated Cost to Fix: $100 - $1000+
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof will not open or close, or get stuck.
  • Solution: Sunroof motor replacement or track adjustment.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Summary

The 2007 INFINITI G35, while a fun and stylish vehicle, can experience some notable issues as it ages. Engine problems like oil consumption and sensor failures are common and can lead to significant repair costs. Transmission issues, particularly in the automatic version, can also be costly. Suspension and electrical problems are also fairly prevalent. The severity of these issues can range from minor inconveniences to major repairs, with costs potentially reaching several thousand dollars for engine or transmission work. Prospective buyers should be aware of these potential problems and factor them into their purchasing decision, along with a thorough pre-purchase inspection.