2007 INFINITI FX45

2007 INFINITI FX45

Overview

The 2007 INFINITI FX45, a luxury crossover SUV, is generally considered a reliable vehicle, particularly for its performance-oriented nature. It was equipped with a potent V8 engine and a capable all-wheel-drive system, offering a blend of sportiness and utility. While most owners report a positive ownership experience, like any vehicle, certain components can experience issues over time. This analysis focuses on documented, non-wear-and-tear related problems that have been reported by owners and technicians, providing insights into potential areas of concern for this model year.

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Engine

4.5L V8 (VK45DE)

Oil Leaks (Valve Covers/Gaskets)

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

Timing Chain Tensioner Issues

• Symptoms: Rattling noise from the front of the engine, especially on startup; potential for timing chain jump if ignored.
• Solution: Replacement of timing chain tensioners and guides.
• Cost: $1200 - $2500

Transmission

5-Speed Automatic (RE5R05A)

Harsh Shifting / Delayed Engagement

• Symptoms: Jerking or rough shifts between gears, delayed engagement when shifting into Drive or Reverse.
• Solution: Transmission fluid flush and filter replacement, potential valve body or solenoid repair/replacement.
• Cost: $400 - $1500

Suspension

Standard Chassis

Front Suspension Bushing Wear

• Symptoms: Clunking or rattling noises over bumps, vague steering feel.
• Solution: Replacement of worn control arm bushings.
• Cost: $300 - $700

Electrical

Body Control Module (BCM)

Intermittent Electrical Gremlins

• Symptoms: Various electrical components malfunctioning (e.g., power windows, locks, interior lights), warning lights illuminating without apparent cause.
• Solution: Diagnosis and potential reprogramming or replacement of the BCM.
• Cost: $500 - $1200

Infotainment System

Navigation System Malfunctions

• Symptoms: Screen freezing, unresponsiveness, or failure to load maps.
• Solution: Software update or replacement of the head unit.
• Cost: $400 - $1000

Exterior

Body Panels & Trim

Paint Fading/Peeling (Specific Colors)

• Symptoms: Uneven color, dullness, or peeling of paint, particularly on horizontal surfaces.
• Solution: Repainting affected areas.
• Cost: $500 - $2000+

Interior

Climate Control System

Blend Door Actuator Failure

• Symptoms: Inability to control temperature (stuck on hot or cold), air only coming from certain vents.
• Solution: Replacement of the blend door actuator(s).
• Cost: $200 - $500

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Summary Verdict

The 2007 INFINITI FX45 offers a compelling package for those seeking a sporty luxury SUV. While its V8 engine and AWD system are generally robust, potential owners should be aware of common issues such as oil leaks from valve covers, timing chain tensioner concerns, and occasional transmission harshness. Electrical gremlins related to the BCM and infotainment system can also arise. Addressing these potential problems proactively, especially the engine and transmission, can ensure a more reliable and enjoyable ownership experience. Overall, with proper maintenance and attention to known issues, the FX45 can be a dependable vehicle.