2005 INFINITI FX35

The 2005 INFINITI FX35 is a mid-size luxury crossover SUV known for its sporty handling and distinctive styling. It was offered with a 3.5-liter V6 engine (VQ35DE) producing 280 horsepower and 270 lb-ft of torque. While some owners appreciate its performance, unique design, and comfortable interior, common complaints revolve around reliability issues, particularly concerning the suspension, electrical system, and higher maintenance costs associated with a luxury vehicle. The FX35 was only offered with one engine option.

Engine

3.5L V6 (VQ35DE)

• Timing Chain Tensioner Failure
  • Description/Symptoms: Rattling noise on startup, especially when cold. The sound may disappear after the engine warms up. This is due to wear on the timing chain tensioner guides, which can cause the timing chain to slack and eventually lead to more serious engine damage.
  • Solution: Replacement of the timing chain tensioner, guides, and potentially the timing chain itself.
  • Estimated Cost to Fix: $800 - $1500+
• Oil Consumption
  • Description/Symptoms: Some owners have reported excessive oil consumption, requiring frequent top-offs between oil changes.
  • Solution: In some cases, addressing PCV valve issues may help. More severe cases may require engine rebuild or replacement of piston rings.
  • Estimated Cost to Fix: $100 (PCV Valve) - $3000+ (Engine Rebuild/Replacement)
  • Recalls: None Found

Transmission

5-Speed Automatic

• Valve Body Issues
  • Description/Symptoms: Harsh shifting, delayed engagement, slipping between gears, or complete failure to shift.
  • Solution: Replacement of the valve body, or transmission rebuild/replacement.
  • Estimated Cost to Fix: $800 - $3000+
  • Recalls: None Found

Suspension

• Front Lower Control Arm Bushings Wear
  • Description/Symptoms: Clunking or rattling noise from the front suspension, particularly over bumps. Uneven tire wear may also occur. The bushings in the front lower control arms are prone to wear and tear, leading to excessive play.
  • Solution: Replacement of the front lower control arms.
  • Estimated Cost to Fix: $300 - $600+ (per side)
• Rear Shock Absorber Failure
  • Description/Symptoms: Bouncy ride, poor handling, and potential leaks from the shock absorbers. The rear shock absorbers are known to wear out prematurely.
  • Solution: Replacement of the rear shock absorbers.
  • Estimated Cost to Fix: $300 - $800+ (for both)

Electrical

• Battery Drain
  • Description/Symptoms: The battery frequently dies, even when new. Several potential causes including parasitic draw from the audio system, navigation system, or other electrical components.
  • Solution: Diagnosing and repairing the source of the parasitic draw. This could involve replacing a faulty component or repairing damaged wiring.
  • Estimated Cost to Fix: $100 - $500+
• Navigation System Failure
  • Description/Symptoms: The navigation screen malfunctions, freezes, or becomes unresponsive. The navigation unit is prone to failure due to age.
  • Solution: Replacement of the navigation unit.
  • Estimated Cost to Fix: $200 - $800+

Exterior

• Automatic Headlight Sensor Failure
  • Description/Symptoms: Headlights may stay on all the time, or not turn on automatically when it’s dark.
  • Solution: Replacement of the automatic headlight sensor.
  • Estimated Cost to Fix: $100 - $300+

Interior

• Seat Heater Malfunction
  • Description/Symptoms: Seat heaters fail to heat properly or stop working altogether. This can be due to a broken heating element or a faulty control module.
  • Solution: Replacement of the heating element or control module.
  • Estimated Cost to Fix: $200 - $500+ (per seat)
  • Recalls: None Found

Summary

The 2005 INFINITI FX35 has several common issues, with the engine timing chain tensioner and valve body issues being potentially expensive repairs. The suspension components are also prone to wear and tear, leading to clunking noises and reduced handling performance. While some electrical issues are relatively minor, others, such as the navigation system failure, can be costly to fix. Overall, prospective buyers should be aware of these potential problems and factor in the cost of maintenance and repairs when considering purchasing a 2005 INFINITI FX35.