Sunroof glass separation at highway speed
Glass separates from the vehicle while driving
Check engine light: Off
Sunroof glass separated from the vehicle at highway speed (60-70 mph), becoming a dangerous projectile.
PROBLEM GUIDE
2003–2013 Infiniti FX35/FX37 Common Problems
Here's what owners are experiencing, based on our research of real owner reports and repair data.
Last updated May 2026
2003–2013
Model years affected
$6,500 – $7,500+
Typical repair cost, by problem
Quick Scan: 10 Issues
Click a problem for the full write-up — symptoms, what we found, and typical repair costs where we have them.
PROBLEM
SYMPTOMS
TYPICAL REPAIR COST
- SYMPTOMS
Glass separates from the vehicle while drivingTYPICAL REPAIR COST
— - SYMPTOMS
Locks failing intermittently or completely across all doorsTYPICAL REPAIR COST
— - SYMPTOMS
Adhesive failure causing cosmetic and visibility issuesTYPICAL REPAIR COST
— - SYMPTOMS
Requiring full transmission replacementTYPICAL REPAIR COST
$6,500 - SYMPTOMS
Requiring full engine replacementTYPICAL REPAIR COST
$7,500+ - SYMPTOMS
In certain FX35 models, a wheel bearing goes badTYPICAL REPAIR COST
— - SYMPTOMS
In certain FX35 models, a timing chain rattle and tapping noise developsTYPICAL REPAIR COST
— - SYMPTOMS
In certain FX35 models, the fuel filler hose may crack and leak when refuelingTYPICAL REPAIR COST
— - SYMPTOMS
In certain FX35 models, the radiator cracks and leaks coolantTYPICAL REPAIR COST
— - SYMPTOMS
In certain FX35 models, an erratic or high idle occurs after cleaning the throttle bodyTYPICAL REPAIR COST
—
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Door lock actuator failures framed as a safety risk
Locks failing intermittently or completely across all doors
Check engine light: Off
Over 20 complaints describe power door locks failing intermittently or completely across all doors. Multiple owners explicitly frame this as a carjacking or personal-safety risk, particularly for female drivers.
Dashboard melting or bubbling
Adhesive failure causing cosmetic and visibility issues
Check engine light: Off
Approximately 15 complaints describe dashboard adhesive failure causing cosmetic bubbling and melting, with owners citing glare hazards and concerns about fumes from the deteriorating material.
62,000 mi
The same dashboard deterioration is reported on the Infiniti M35/M37 and on several Lexus models.
Transmission valve body failure
Requiring full transmission replacement
Check engine light: On
Valve body failures reported, requiring transmission replacement across a range of mileages.
$6,50089,000 – 161,000 mi
Engine cylinder compression loss
Requiring full engine replacement
Check engine light: On
Engine replacement required due to cylinder compression loss at 100,000 miles; a separate cylinder cover crack was also documented.
$7,500+100,000 mi
In Certain FX35 Models: Bad Wheel Bearing
In certain FX35 models, a wheel bearing goes bad
Check engine light: Off
In certain FX35 models, a wheel bearing goes bad. This is among the more frequently reported issues on this generation, with 30 owner reports on file.
In Certain FX35 Models: Timing Chain Rattle and Tapping Noise
In certain FX35 models, a timing chain rattle and tapping noise develops
Check engine light: Off
In certain FX35 models, a timing chain rattle and tapping noise develops. This is among the more frequently reported issues on this generation, with 15 owner reports on file.
In Certain FX35 Models: Fuel Filler Hose May Crack and Leak When Refueling
In certain FX35 models, the fuel filler hose may crack and leak when refueling
Check engine light: Off
In certain FX35 models, the fuel filler hose may crack and leak when refueling. This is among the more frequently reported issues on this generation, with 14 owner reports on file.
In Certain FX35 Models: Radiator Cracked and Leaking Coolant
In certain FX35 models, the radiator cracks and leaks coolant
Check engine light: Off
In certain FX35 models, the radiator cracks and leaks coolant. This is among the more frequently reported issues on this generation, with 13 owner reports on file.
In Certain FX35 Models: Erratic or High Idle After Cleaning the Throttle Body
In certain FX35 models, an erratic or high idle occurs after cleaning the throttle body
Check engine light: Off
In certain FX35 models, an erratic or high idle occurs after cleaning the throttle body. This is among the more frequently reported issues on this generation, with 11 owner reports on file.
This generation has a confirmed Takata airbag recall, with 25+ complaints describing parts-unavailability delays of 6+ months. Enter your VIN to get the confirmed, current recall picture for your specific car.
The information on this page is for general educational purposes only and is not a diagnosis. It is compiled from aggregated owner-reported data and publicly available sources, not from an inspection of your vehicle. Symptoms described here can have multiple causes, and the presence of a commonly reported problem does not mean your vehicle has it. Repair cost ranges are estimates that vary by region, shop, vehicle condition, and parts availability. Recall and service campaign information may be incomplete or out of date — verify current recall status with NHTSA or your manufacturer. MyGearGuru is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer; manufacturer and model names are used for identification only. Always consult a qualified technician before making repair decisions.
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The most notable safety problem on this generation is sunroof glass separating from the vehicle at highway speed (60-70 mph), becoming a dangerous projectile. A separate, serious problem: over 20 complaints describe power door locks failing across all doors, with multiple owners explicitly framing this as a personal-safety and carjacking risk. Dashboard melting/bubbling is also reported.