As you consider purchasing a used Infiniti FX35, it’s essential to know which model years to target and which to avoid. The FX35’s reliability is a mixed bag, with some years plagued by transmission issues, faulty Lane Departure Warning systems, and premature wear on wheel bearings. On the other hand, certain model years received significant updates that refined the driving experience. Want to know which years are the best and worst? Let’s take a closer look at the data to make an informed decision.
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Key Takeaways
- The 2006 model is considered one of the best years, featuring a new grille, standard leather seating, and a RearView Monitor.
- The 2003 model is prone to transmission problems, making it one of the worst years for the FX35.
- The 2005 model is notable for introducing the Lane Departure Warning system in North America, making it a desirable year.
- The 2009 model underwent significant reengineering, resulting in a longer overall length and new front-end styling, making it a good choice.
- The 2012 FX35 AWD Limited Edition model is a good option, featuring 21-inch aluminum-alloy wheels and the INFINITI Hard Drive Navigation System.
Infiniti FX35 Reliability and Common Problems
In regards to owning an Infiniti FX35, you’re likely to experience a mix of reliability and common problems.
With a reliability rating of 3.5 out of 5.0, you’ll encounter some issues, but they’re often manageable.
Prematurely worn-out wheel bearings and fuel leaks due to defective fuel filler hoses are common problems.
Abnormal rattling noises from bad timing chains are also prevalent, especially in 2003-2008 models.
While these issues can be frustrating, they’re not necessarily deal-breakers.
Understanding these potential problems will help you prepare and maintain your FX35, ensuring a more reliable ownership experience.
Is the Infiniti FX35 Reliable?
You’re likely wondering if the Infiniti FX35 is reliable, and the answer is yes, with some caveats.
According to RepairPal, the FX35 scores 3.5 out of 5.0 for reliability, indicating it can last over 200,000 miles with proper maintenance.
However, you should be aware of common issues like prematurely worn-out wheel bearings, fuel leaks, and defective airbags, which can be resolved with replacement and maintenance.
Reliability Scores
The Infiniti FX35’s reliability scores are a tribute to its dependability, earning a respectable 3.5 out of 5.0 rating from RepairPal.
You can expect your FX35 to go over 200,000 miles without major repairs with proper maintenance. In fact, it ranked 4th out of 14 SUVs in its category, with many owners reporting positive experiences with the vehicle’s reliability.
Its reliability scores vary by model year, but overall, the FX35 has above-average reliability. This means you can enjoy a worry-free driving experience, knowing your vehicle is less likely to break down or require costly repairs.
Common Issues Found
While enjoying the Infiniti FX35’s reliability, it’s essential to be aware of potential issues that can arise.
You may encounter prematurely worn-out wheel bearings, which can cause unusual noises and vibrations.
Fuel leaks due to a defective fuel filler hose are also common, and transmission problems can occur, especially in the 2003 model.
Erratic shifting, jerking movements, and failure to respond promptly are all signs of transmission issues.
Be aware of these potential problems to guarantee your FX35 runs smoothly and confirm its reliability.
Maintenance and Repairs
Given its reliability rating of 3.5 out of 5.0, it’s clear that the Infiniti FX35 requires regular maintenance and repairs to guarantee it runs smoothly and efficiently.
To keep your FX35 in top shape, you’ll need to address common issues promptly.
Here’s a breakdown of key maintenance tasks:
| Maintenance Task | Interval |
|---|---|
| Replacing wheel bearings | Every 50,000 miles |
| Replacing fuel filler hose | Every 60,000 miles |
| Changing transmission fluid | Every 30,000 miles |
| Inspecting timing chain | Every 40,000 miles |
Top Infiniti FX35 Problems
Premature wear on wheel bearings, fuel leaks, and transmission issues top the list of common problems plaguing Infiniti FX35 owners.
You’ll want to keep an eye out for these issues, especially if you own a high-mileage 2003 model, which is prone to transmission problems.
Erratic shifting, failure to respond promptly, and jerking movements while shifting are all symptoms of a faulty transmission.
Additionally, fuel leaks due to a defective fuel filler hose and erratic idling caused by the electronic control module’s adaptation are also common issues to watch out for in certain models.
Prematurely Worn-out Wheel Bearings
When you notice an abnormal grinding noise at the front of your Infiniti FX35, it’s likely due to prematurely worn-out wheel bearings.
You’ll want to investigate the cause of this noise, as it can lead to more severe problems if left unaddressed.
Understanding the replacement cost factors, maintenance schedule tips, and underlying causes will help you take control of this common issue in the FX35.
Grinding Noise Causes
Your Infiniti FX35’s front wheels can produce an abnormal grinding noise due to worn-out wheel bearings, which can be a sign of trouble.
This noise is often accompanied by vibrations in the steering wheel, and it’ll worsen over time if left unaddressed.
The premature wear on your wheel bearings can be caused by various factors, including poor road conditions, aggressive driving, and failure to maintain proper tire pressure.
If you’re experiencing this grinding noise, it’s essential to address the issue promptly to prevent further damage to your vehicle.
Replacement Cost Factors
Replacing worn-out wheel bearings in your Infiniti FX35 can be a costly affair, with estimates ranging from $200 to $500 per wheel, depending on the model year and generation. The cost of replacement may vary depending on the location, labor costs, and quality of the replacement parts used. In some cases, the entire wheel hub assembly may need to be replaced, adding to the overall cost of the repair.
| Factor | Impact on Replacement Cost |
|---|---|
| Model Year and Generation | $200 to $500 per wheel |
| Location | Varies depending on labor costs |
| Quality of Replacement Parts | Affects overall cost of repair |
| Wheel Hub Assembly Replacement | Adds to overall cost of repair |
Maintenance Schedule Tips
As you address the issue of worn-out wheel bearings in your Infiniti FX35, it’s essential to prioritize regular maintenance to prevent premature wear and tear.
To avoid costly repairs, follow the recommended maintenance schedule and inspect your wheel bearings every 50,000 to 70,000 miles. Replacing them within this timeframe can save you from more expensive fixes, like replacing the entire front hub assembly.
Fuel Leaks Due to Fuel Filler Hose Defect
A faulty fuel filler hose can lead to fuel leaks in the Infiniti FX35, causing inconvenience and potential safety risks.
You’ll want to inspect the hose regularly to prevent this issue.
Some key points to ponder:
- The fuel filler hose is prone to cracks and damage, especially in high-temperature environments.
- A damaged hose can cause fuel to leak onto the ground, leading to environmental hazards and fire risks.
- Inspect the hose for signs of wear, such as cracks, frays, or brittleness.
- Replace the hose if you notice any damage or corrosion.
- Regular maintenance can help prevent fuel leaks and guarantee your Infiniti FX35 runs smoothly and safely.
Abnormal Rattling Noise Due to Bad Timing Chain
You’ve likely addressed the fuel leaks due to a faulty fuel filler hose, but now it’s time to turn your attention to another critical issue plaguing the Infiniti FX35:
an abnormal rattling noise caused by a bad timing chain. This problem commonly affects 2003-2008 models and can lead to broken timing chain guide fragments falling into the oil pan, resulting in costly repairs if left unchecked.
The rattling noise typically starts at low engine speeds and may disappear at higher speeds, making prompt attention essential.
Replacing the bad timing chain can resolve the issue and prevent catastrophic engine failure.
Premature Dashboard Damage
You may have noticed that your Infiniti FX35’s dashboard is showing signs of premature damage, such as cracks, fading, or warping.
This can be caused by a combination of factors, including exposure to direct sunlight, extreme temperatures, and poor material quality.
Understanding the causes of this damage and exploring your dashboard replacement options can help you restore your vehicle’s interior to its original condition.
Causes of Damage
Direct sunlight exposure is the primary culprit behind premature dashboard damage in the Infiniti FX35.
When you park your vehicle in direct sunlight, the UV rays cause the dashboard materials to deteriorate, leading to cracks and fading. This damage is exacerbated due to bad material quality and poor manufacturing processes.
Other factors contributing to premature dashboard damage include:
- Extreme temperature fluctuations
- Chemical reactions from cleaning products
- Physical stress from wear and tear
- Inadequate dashboard protection
- Poor maintenance habits
Dashboard Replacement Options
Dashboard replacement options are available to address premature dashboard damage in the Infiniti FX35.
If you’re dealing with this issue, you have a few choices. Replacing the dashboard can be costly, ranging from $1,000 to $3,000, depending on the extent of the damage and material quality.
A more affordable option is a dashboard repair kit, starting at around $500, but this may not provide a long-term solution.
It’s essential to consult with a professional mechanic or Infiniti dealership to determine the best course of action for your vehicle’s specific needs.
Defective Airbags
The Infiniti FX35’s defective airbags pose a significant threat to driver and passenger safety, as they can rupture upon deployment, increasing the risk of injury and death.
You should take immediate action to address this issue, especially if you own a 2003-2010 model.
- Defective airbags can rupture if deployed, increasing the risk of injury and death, and you’re eligible for free replacement of the defective airbag inflators.
- The 2003-2010 models are most commonly affected, and you should check with the manufacturer or dealerships for recall notices and repair options.
- The NHTSA has issued recalls due to defective airbags, and you can check their website for recall information and updates.
- The defective airbag issue is linked to the Takata airbag recall, which affects millions of vehicles across various manufacturers.
- Failure to replace the defective airbag inflators can result in serious injury or death in the event of an accident.
Door Lock Problems
Your Infiniti FX35’s door locks can malfunction, leaving you stuck outside or trapped inside.
The keyless entry system, designed for convenience, can be the culprit. Faulty door lock actuators, worn-out switches, or damaged wiring can cause the problem.
You may experience issues like doors securing or releasing randomly, or the system failing to respond to your key fob. In some cases, the doors mightn’t secure at all, compromising your vehicle’s security.
Check your FX35’s electrical system and door lock components to identify the root cause of the issue and have it repaired promptly to avoid further complications.
Malfunctioning Transmission
How prone is your Infiniti FX35 to transmission problems?
If you own a 2003 model, you may experience issues like erratic shifting, failure to respond promptly, and jerking movements while shifting, especially around 90,000 miles or more.
- The seven-speed automatic transmission in the 2nd generation FX is an improvement over the 5-speed automatic in the 1st generation.
- Total transmission replacement may be necessary to fix the issue, which can be pricey.
- Some owners have reported that dealerships were unable to diagnose the problem.
- The 2nd generation FX features a 7-speed automatic transmission (RE7R01A for FX35 and FX37, RE7R01B for FX50).
- Cleaning the throttle body every 12,000 miles without tampering with the flap is recommended to resolve erratic idling issues.
Erratic Idling
You’ll likely encounter erratic idling issues in your Infiniti FX35 if the engine idle air control valve or fuel injectors are clogged, causing high idling.
Cleaning these components often resolves the problem, but you may still experience idling after cleaning due to other underlying causes.
It’s essential to identify and address these root causes to prevent further complications.
High Idling Causes
Faulty oxygen sensors can cause high idling in an Infiniti FX35, as they send incorrect air-fuel mixture data to the engine control module.
This can lead to poor engine performance and decreased fuel efficiency. You may also experience high idling due to:
- Clogged air filters, which restrict airflow and cause the engine to work harder
- Faulty idle air control valves, which fail to regulate air intake
- Ignition system problems, such as worn-out spark plugs or ignition coils
- Vacuum leaks, which disrupt the engine’s air-fuel mixture
- Loose or damaged belts, which can cause engine accessories to malfunction
Idling After Cleaning
After cleaning your Infiniti FX35’s engine, you may notice erratic idling, which can be frustrating and puzzling.
This issue often arises when dirt, grime, or debris is disturbed during cleaning, entering the engine’s air intake or fuel system. As a result, your FX35’s engine computer recalibrates to compensate, leading to irregular idling.
Check your air filter, fuel injectors, and intake manifold for blockages or contamination. Certify all connections are secure, and inspect the idle air control valve for proper function. Guarantee addressing these potential causes should resolve the erratic idling issue.
What Is the Infiniti FX35’s Best Year?
The Infiniti FX35’s best year is a matter of personal preference, as different models offer unique features and improvements.
You’ll find that each FX35 model year has its strengths.
- The 2006 model boasts a new grille, standard leather seating, and RearView Monitor as standard features.
- The 2009 model underwent a complete reengineering, resulting in a longer overall length and more adventurous front-end styling.
- The 2012 FX35 AWD Limited Edition model features 21-inch aluminum-alloy wheels and the INFINITI Hard Drive Navigation System.
- The first-generation FX (2003-2008) is known for its impressive quality and 3.5-liter V6 engine producing 280 horsepower.
- The 2005 model was a pioneer in safety, introducing the Lane Departure Warning system in North America.
Where to Buy Parts for Your Infiniti FX35
You’ll find a wide range of parts available for your Infiniti FX35, and knowing where to buy them can save you time and money. CarParts.com is a reliable online retailer offering high-quality auto parts from trusted manufacturers at competitive prices. They provide 24/7 customer service through toll-free hotlines for any questions or concerns.
| Part Category | Availability | Notes |
|---|---|---|
| Engine parts | Easily available | Includes components for the 3.5-liter V6 engine |
| Brake parts | Readily available | Larger on FX50 model, but still accessible for FX35 |
| Model-specific parts | Depends on model year | Researching the model year guarantees correct parts |
| General maintenance parts | Widely available | Filters, belts, and other routine maintenance items |
Infiniti FX35 Model Years and History
Infiniti’s luxury crossover utility vehicle, the FX35, made its debut in 2003, entering a competitive market already occupied by the Mercedes-Benz M-Class and BMW X5.
You’ll find two generations of the FX35: the first from 2003-2008, featuring a 280-horsepower V6 engine, and the second from 2009-2011, boasting a 303-horsepower V6 engine and a seven-speed automatic transmission.
- The FX35 underwent updates, including a Lane Departure Warning system in 2005 and a hard-drive-based navigation system in 2009.
- The second generation saw significant refinements, including a double wishbone suspension for improved ride and handling.
- Throughout its production run, the FX35 received new grille and wheel designs in 2006.
- The Infiniti FX35 was discontinued in 2012, replaced by the FX37 crossover for the 2013 model year.
- The FX35’s production spanned nearly a decade, from 2003 to 2012.
Infiniti FX35 Used SUV Buyer’s Guide
When shopping for a used Infiniti FX35, it’s essential to prioritize reliability and be aware of potential issues that can affect the vehicle’s performance.
With above-average reliability scores, the FX35 can last over 200,000 miles with proper maintenance. However, be aware of common problems like prematurely worn-out wheel bearings, fuel leaks, and abnormal rattling noise.
Research the model year, as 2003-2008 models have timing chain issues, 2003-2010 models have fuel leak issues, and 2011 models have premature dashboard damage. Regular maintenance can resolve these issues, making the FX35 a reliable choice.
When looking at performance cars, make sure to check out our guides on models like the Infiniti G35, Infiniti G37, Infiniti Q50 and Infiniti QX50. Knowing which model years to target and which to avoid is crucial. Our expert reviews break down these models, providing insights into the years that are celebrated for their engineering excellence and driving satisfaction, as well as those that are best to avoid due to potential issues.
