🏷️ Basic Information Identification Make: Infiniti Model: FX45 Year: 2004 Codes Chassis Code: S50 👋 Introduction Market Position Segment: Luxury Mid-size Crossover SUV Competitive Analysis Competitors: BMW X5, Mercedes-Benz ML-Class, Lexus RX330, Acura MDX Key Features Design Philosophy: Sporty handling and performance combined with SUV utility, inspired by the Nissan GT-R's front-engine, rear-wheel-drive layout. Convenience: Online, always-accessible format, replacing outdated printed manuals. Value Proposition: Cost savings through DIY repairs, licensed OE data. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Scope: Comprehensive diagnostics, maintenance, repair, and specifications Manual Type Type: Digital Service and Repair Manual Software Language Language: English Format Format: Online Access (Web Browser) Access Duration: 1 Year Compatibility: PC, Laptop, Smartphone, Tablet (with internet access) 📖 Manual Coverage Systems Covered Powertrain: Engine, Drivetrain, Transmission, Exhaust System Chassis: Suspension (Front & Rear), Steering System, Brakes (Front & Rear), Wheels & Tires Electrical: Electrical System, Lighting, Instruments, Body Electrical, Powertrain Control Module (PCM), Chassis Control Module (CCM) Body And Interior: Body & Frame, Exterior & Interior Trim, HVAC System, Restraint System (Airbags), Seats, Doors, Glass Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections Repair: Component replacement, system diagnostics, troubleshooting guides, assembly/disassembly Diagnostics: OBD-II diagnostic trouble codes (DTCs), symptom analysis, component testing Technical Depth Depth: Factory-level detail, including torque specifications, clearances, wiring diagrams, and technical service bulletins (TSBs) 📊 Manual Specifications File Format Digital Format: Proprietary web-based platform (RepairSurge) Print Quality Resolution: N/A (Digital) Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: VQ35DE Engine Type: 3.5L V6 DOHC 24-Valve Performance Horsepower: 280 hp @ 6200 rpm (SAE Net) Torque: 279 lb-ft @ 4800 rpm (SAE Net) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Cooling System Coolant Type: Nissan Genuine Long Life Antifreeze (Blue) Lubrication Oil Type: SAE 5W-30 Synthetic Motor Oil Oil Capacity: Approx. 4.9 US quarts (4.6 liters) with filter change 🔧 Transmission Standard Transmission Type: 5-Speed Automatic with Manual Shift Mode (SportShift) Optional Transmission Options: N/A (All FX45 models were equipped with the 5-speed automatic) Features Drivetrain: All-Wheel Drive (ATTESA E-TS) Fluid Specifications Transmission Fluid Type: Nissan Matic J 📐 Dimensions Exterior Length: 188.7 inches (4793 mm) Width: 74.2 inches (1885 mm) Height: 67.3 inches (1709 mm) Wheelbase: 113.5 inches (2883 mm) Weights Curb Weight: Approx. 4300 lbs (1950 kg) Gross Vehicle Weight Rating: Approx. 5536 lbs (2511 kg) Cargo Cargo Volume: Approx. 24.8 cu ft (behind rear seats) 🛡️ Safety Features Ratings NHTSA Front Crash Test Rating: 5 Stars (Driver and Passenger) NHTSA Side Impact Crash Test Rating: 5 Stars (Front and Rear Passengers) Active Features Traction Control: Standard Electronic Stability Control: Standard (Vehicle Dynamic Control - VDC) Braking System: 4-Wheel Vented Disc Brakes with ABS, EBD, and Brake Assist Passive Features Airbags: Driver and Front Passenger Supplemental Airbags, Front Seat-Mounted Side-Impact Airbags, Roof-Mounted Curtain Airbags Seatbelts: 3-point height-adjustable front seat belts with pretensioners and load limiters, 3-point rear seat belts 💡 Technology Features Infotainment Audio System: Bose premium audio system with 8 speakers and subwoofer was standard on FX45. Navigation: Optional DVD-based navigation system. Driver Assistance Cruise Control: Standard adaptive cruise control (Intelligent Cruise Control) was an option. Connectivity Connectivity Features: N/A (Limited connectivity features for the era; primarily audio auxiliary input if equipped). 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles (6,000 km) or 6 months, whichever comes first (under severe driving conditions) OR Every 7,500 miles (12,000 km) or 12 months (under normal driving conditions), using synthetic oil. Engine Air Filter Replacement: Inspect every 15,000 miles (24,000 km), replace as needed. Typically every 30,000 miles (48,000 km). Cabin Air Filter Replacement: Inspect every 15,000 miles (24,000 km), replace as needed. Typically every 15,000-30,000 miles. Transmission Fluid Change: Inspect every 30,000 miles (48,000 km), replace typically at 60,000 miles (96,000 km) or as per severe service schedule. Fluid Specifications Brake Fluid: DOT 3 or DOT 4 brake fluid Power Steering Fluid: Nissan Genuine Power Steering Fluid or equivalent Known Issues Common Concern 1: Oil consumption: Some VQ35DE engines may exhibit higher than expected oil consumption. Regular checks and top-offs are advised. Common Concern 2: Variable Valve Timing (VVT) solenoids/actuators: Potential for rattling noise on startup or check engine lights due to solenoid issues. Common Concern 3: Brake wear: Early models can experience accelerated front brake pad and rotor wear. Common Concern 4: HVAC blower motor resistor: Failure can lead to inoperative or erratic blower fan speeds. Parts Information Oil Filter Part Number Example: Nissan/Infiniti OEM 15208-31U00 (Verify for specific vehicle) Engine Air Filter Part Number Example: Nissan/Infiniti OEM 16546-3J000 (Verify for specific vehicle) 📚 Vehicle History Brand Heritage Brand Origin: Infiniti, Nissan's luxury division, established in 1989. Model Evolution Generation: First Generation (FX Series: S50, 2003-2008) Introduction Year: 2003 (as...