🏷️ Basic Information

Make:

Infiniti

Model:

FX35 / FX45

Year:

2007

Chassis Code:

S50 Series

👋 Introduction

Segment:

Luxury Crossover SUV

Target Audience:

Performance-oriented buyers seeking a blend of luxury, sportiness, and utility. Technologically advanced and premium segment.

Key Competitors:

BMW X5, Porsche Cayenne, Lexus RX, Mercedes-Benz M-Class, Audi Q7, Acura MDX.

Design Philosophy:

Sporty, coupe-like styling with SUV practicality. Emphasis on driver engagement and performance over traditional SUV utility.

Drivetrain Options:

Available in RWD and AWD configurations (ATTESA E-TS for AWD). Offers a dynamic driving experience.

Powertrain Differentiation:

Distinct performance offerings between the FX35 (3.5L V6) and FX45 (4.5L V8).

📋 Manual Details

General Coverage:

Comprehensive service, repair, maintenance, and troubleshooting for 2007 Infiniti FX35 and FX45 models.

Estimated Page Count:

Varies, potentially up to 5 GB in size, indicating extensive detail. Specific page count not provided but implied to be substantial.

Type:

Factory Service Repair Manual (FSM)

Language:

English

Format:

Digital Download (PDF), potentially compressed in ZIP or RAR archives.

📖 Manual Coverage

Engine:

Detailed diagnostics, repair procedures, component overviews, and specifications for both VQ35DE (FX35) and VK45DE (FX45) engines. Includes fuel system, ignition system, cooling system, lubrication system, exhaust system, and emissions control.

Transmission:

Service and repair of the automatic transmission (likely RE5R05A for FX35 and possibly a different unit or variant for FX45). Covers fluid changes, diagnostics, and component overhaul.

Drivetrain:

Includes front and rear differentials, driveshafts, axles, and AWD system (ATTESA E-TS) if equipped. Covers lubrication, inspection, and repair.

Suspension:

Front and rear suspension systems (independent double wishbone front, multi-link rear). Covers shock absorbers, springs, bushings, control arms, alignment procedures, and specifications.

Steering:

Power steering system, steering column, and steering rack. Covers fluid maintenance, diagnostics, and replacement procedures.

Brakes:

Hydraulic brake system, ABS, EBD, and Brake Assist. Covers brake fluid, calipers, rotors, pads, lines, and bleeding procedures. Includes diagnostics for ABS sensors and modules.

Electrical System:

Comprehensive coverage of the entire electrical system, including battery, charging system (alternator), starting system, lighting, power windows, mirrors, seats, HVAC blower, wipers, horn, and fuses/relays. Detailed wiring diagrams are typically included.

Body And Interior:

Body panel removal and installation, door mechanisms, glass, seals, interior trim, seats, airbags, and body hardware. Includes procedures for collision repair preparation.

HVAC:

Heating, Ventilation, and Air Conditioning system. Covers refrigerant, compressor, condenser, evaporator, blower motor, climate control modules, and troubleshooting.

Safety Systems:

Airbag system, seatbelt pre-tensioners, and associated sensors. Covers diagnostics and replacement of airbag modules and related components.

Routine Maintenance:

Oil and filter changes, fluid checks and top-offs (coolant, brake fluid, power steering fluid, transmission fluid), air filter replacement, spark plug replacement, tire rotation, and battery maintenance.

Troubleshooting:

Systematic diagnostic procedures for identifying and resolving common and complex issues across all vehicle systems. Includes symptom-based troubleshooting charts and electrical diagnostic flowcharts.

Component Replacement:

Step-by-step instructions for removing, installing, and replacing major and minor components such as engine parts, transmission components, suspension parts, brake assemblies, electrical modules, sensors, and body panels.

Diagnostics:

Detailed guidance on using diagnostic tools, interpreting trouble codes (DTCs) from the OBD-II system, and performing system-specific diagnostics.

Rebuilding:

Overhaul procedures for major components like engines and transmissions, including detailed part specifications and assembly instructions.

Depth:

Extremely high. Covers everything from basic maintenance to complete engine and transmission rebuilds, advanced diagnostics, and electrical system troubleshooting. Equivalent to professional technician-level information.

📊 Manual Specifications

Format Details:

PDF (Portable Document Format). Compatible with all standard PDF readers. May be delivered in compressed archives (ZIP, RAR) requiring extraction software.

Printability:

High quality, designed for printing. Allows users to print entire sections or the complete manual on any standard printer.

Binding:

N/A (Digital download only, no physical binding).

Paper Type:

N/A (Digital download only, no physical paper type).

⚙️ Engine Specifications

Engine Code:

VQ35DE

Engine Type:

3.5L Naturally Aspirated V6

Bore X Stroke:

95.5 mm x 81.4 mm

Compression Ratio:

10.3:1

Horsepower:

275 hp @ 6200 rpm

Torque:

268 lb-ft @ 4800 rpm

Fuel Delivery:

Electronic Fuel Injection (EFI) with Sequential Multiport Fuel Injection (SMPI)

Ignition System:

NISSAN IRIDIUM Long Life Spark Plugs (e.g., NGK ITR5A-13) - Gap: 0.051 inches (1.3 mm)

Oil Capacity:

5.1 US Quarts (4.8 Liters) with filter change. Recommended oil: SAE 5W-30 Synthetic.

Coolant Capacity:

Approximately 8.9 US Quarts (8.4 Liters). Recommended coolant: NISSAN Genuine Super Long Life Coolant (or equivalent silicate-free, ethylene glycol-based coolant).

Engine Code:

VK45DE

Engine Type:

4.5L Naturally Aspirated V8

Bore X Stroke:

93.0 mm x 82.7 mm

Compression Ratio:

9.6:1

Horsepower:

320 hp @ 6000 rpm

Torque:

315 lb-ft @ 4000 rpm

Fuel Delivery:

Electronic Fuel Injection (EFI) with Sequential Multiport Fuel Injection (SMPI)

Ignition System:

NISSAN IRIDIUM Long Life Spark Plugs (e.g., NGK ITR5A-13) - Gap: 0.043 inches (1.1 mm)

Oil Capacity:

5.8 US Quarts (5.5 Liters) with filter change. Recommended oil: SAE 5W-30 Synthetic.

Coolant Capacity:

Approximately 9.5 US Quarts (9.0 Liters). Recommended coolant: NISSAN Genuine Super Long Life Coolant (or equivalent silicate-free, ethylene glycol-based coolant).

🔧 Transmission

Transmission Type:

5-Speed Automatic with Manual Shift Mode (RE5R05A)

Gear Ratios:

Provided in manual; typically includes ratios for 1st through 5th gear and reverse.

Transmission Fluid Capacity:

Approximately 10.5 US Quarts (9.9 Liters) for a complete refill. Recommended fluid: NISSAN Matic J Automatic Transmission Fluid (or equivalent ATF meeting Nissan/J-Matic specifications).

Transmission Type:

5-Speed Automatic (likely a variant of RE5R05A or similar robust unit)

Transmission Fluid Capacity:

Approximately 10.5 US Quarts (9.9 Liters) for a complete refill. Recommended fluid: NISSAN Matic J Automatic Transmission Fluid (or equivalent ATF meeting Nissan/J-Matic specifications).

Manual Shift Mode:

Allows driver to manually select gears for enhanced control and sporty driving experience.

Aawd Integration:

Integration with the ATTESA E-TS (Advanced Total Traction Engineering System for All-wheel Drive) system on AWD models for optimized power distribution.

📐 Dimensions

Length:

Approximately 192.5 inches (4890 mm)

Width:

Approximately 72.0 inches (1829 mm)

Height:

Approximately 62.4 inches (1585 mm)

Wheelbase:

Approximately 112.2 inches (2850 mm)

Ground Clearance:

Approximately 7.7 inches (196 mm)

Curb Weight Fx35 Rwd:

Approximately 3,877 lbs (1759 kg)

Curb Weight Fx35 AWD:

Approximately 4,013 lbs (1820 kg)

Curb Weight Fx45 AWD:

Approximately 4,235 lbs (1921 kg)

Gross Vehicle Weight Rating:

Varies by model, typically around 5,300 - 5,500 lbs.

Cargo Volume:

Approximately 24.6 cubic feet (with rear seats up)

Maximum Cargo Volume:

Approximately 64.5 cubic feet (with rear seats folded)

Towing Capacity:

Not typically advertised as a primary feature, usually around 2,000 lbs for light towing when properly equipped, but check specific vehicle configuration and manual.

🛡️ Safety Features

NHTSA Front Impact:

5-Star Driver, 4-Star Passenger (as per NHTSA for similar model years/configurations)

NHTSA Side Impact:

5-Star Driver, 5-Star Rear Passenger (as per NHTSA for similar model years/configurations)

IIHS Front Small Overlap:

Not rated for this specific model year, as the test was introduced later.

ABS:

Anti-lock Braking System

Ebd:

Electronic Brake-force Distribution

Brake Assist:

Brake Assist (BA) - enhances braking force during emergency stops.

Traction Control:

Active traction control system (TCS) that works in conjunction with ABS.

Stability Control:

Vehicle Dynamic Control (VDC) - helps maintain stability during cornering and evasive maneuvers.

Airbags:

Front airbags, front side-impact airbags, and roof-mounted side-impact curtain airbags for front and rear occupants.

Seatbelts:

Three-point front seatbelts with pretensioners and load limiters, three-point rear seatbelts. LATCH (Lower Anchors and Tethers for Children) system.

Crumple Zones:

Designed front and rear crumple zones to absorb impact energy.

💡 Technology Features

Navigation System:

Optional touch-screen navigation system, often with voice recognition capabilities.

Audio System:

Premium Bose audio system available, often with multiple speakers and a subwoofer.

Audio Inputs:

Typically includes AM/FM radio, CD player, and potentially an auxiliary audio input jack.

Rearview Camera:

Available rearview camera for enhanced parking visibility.

Parking Sensors:

Available front and rear parking sensors.

Keyless Entry Start:

Intelligent Key system with push-button ignition.

Bluetooth:

Bluetooth hands-free phone system available on some trims/packages.

Usb Ports:

USB ports typically not standard in 2007 models; may be an aftermarket addition or part of later refreshes.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000 miles or 6 months (whichever comes first) for conventional oil, or 7,500-10,000 miles for synthetic oil, under normal driving conditions. Refer to manual for severe conditions.

Air Filter Replacement:

Approximately every 15,000-30,000 miles, or as per manual recommendations based on driving environment.

Spark Plug Replacement:

Iridium spark plugs typically have a longer service life, often recommended at 100,000 miles. Check manual for exact interval and part numbers (e.g., NGK ITR5A-13).

Cabin Air Filter Replacement:

Annually or every 15,000 miles, depending on driving environment.

Transmission Fluid Change Interval:

Typically every 30,000-60,000 miles, depending on driving conditions. Use NISSAN Matic J fluid.

Brake Fluid Change Interval:

Recommended every 2-3 years or 30,000 miles to prevent moisture absorption and corrosion. Use DOT 3 or DOT 4 fluid.

Engine Oil Viscosity:

SAE 5W-30 (recommended by Infiniti)

Transmission Fluid Type:

NISSAN Matic J ATF

Coolant Type:

NISSAN Genuine Super Long Life Coolant (Blue) or equivalent silicate-free, ethylene glycol-based coolant.

Brake Fluid Type:

DOT 3 or DOT 4

Power Steering Fluid Type:

Consult manual; typically NISSAN Genuine Power Steering Fluid or Dexron III/Mercon compatible ATF.

Oil Consumption:

Some VQ35DE engines can experience oil consumption, especially at higher mileage. Regular checks and top-offs are important.

Throttle Body Issues:

Electronic throttle control (ETC) issues, leading to limp mode or rough idling, can occur. Cleaning the throttle body may resolve some issues.

Power Steering Pump Leaks:

Potential for leaks from the power steering pump or hoses over time.

ABS Speed Sensor Failures:

ABS warning lights and traction control issues can arise from failing ABS wheel speed sensors.

Exhaust Manifold Cracks:

Cracks in the exhaust manifolds (especially on V8 engines) can cause exhaust leaks and ticking noises.

HVAC Blend Door Actuators:

Failure of HVAC blend door actuators can result in improper temperature control or airflow from vents.

📚 Vehicle History

Infiniti Identity:

Infiniti, Nissan's luxury division, was established in 1989 with a focus on performance, luxury, and advanced technology.

Fx Concept:

The FX concept debuted at the 2001 New York Auto Show, showcasing a radical, sporty crossover design. The production FX launched for the 2003 model year.

Fx35 Fx45 Introduction:

The FX35 and FX45 models were introduced for the 2003 model year, offering different engine options and luxury appointments. The S50 chassis code denotes this first generation.

2007 Updates:

For 2007, minor refinements and package updates were typical. The core platform and powertrain options remained largely consistent with earlier first-generation models.

Manufacturing Location:

Assembled in Tochigi, Japan.

Production Period:

First Generation (S50): 2003-2008 model years.

🏆 Awards & Recognition

Model Reputation:

The Infiniti FX series, including the 2007 model, was generally well-regarded for its sporty handling, powerful engines, and distinctive styling in the luxury crossover segment.

Automotive Press:

Often cited by automotive journalists for its engaging driving dynamics, a departure from the more comfort-focused luxury SUVs of the era.