🏷️ Basic Information Identification Make: Infiniti Model: M45 Year: 2006 Generation Chassis Code: Y50 Codes Engine Code Primary: VK45DE 👋 Introduction Market Position Vehicle Segment: Full-size luxury sedan Competitive Analysis Competitors: Lexus GS, BMW 5 Series, Mercedes-Benz E-Class, Audi A6 Key Features Value Proposition: Powerful V8 engine, refined interior, comfortable ride, advanced technology for its era Manual Advantage: Licensed OE data, digital accessibility, comprehensive coverage, cost-effective alternative to printed manuals 📋 Manual Details Coverage Areas Technical Documentation Source: Licensed OE materials (RepairSurge) Page Count Estimated Pages: Extensive (digital format, covers all systems) Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: Online Software (Web-based) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, component testing, timing, valve adjustments, lubrication Engine Management: Fuel injection, ignition system, emissions control, sensor diagnostics, ECU operations Transmission: Automatic transmission (RE5R05A) service, diagnostics, fluid service, internal repairs Drivetrain: Driveshaft, CV joints, differential, axle service and repair Suspension: Front and rear suspension components, alignment specifications, shock absorber/strut replacement, bushing service Steering: Power steering system, steering rack and linkage, tie rod ends, steering column service Brakes: Brake system diagnostics, ABS system, brake pad and rotor replacement, caliper service, brake fluid service Electrical System: Battery, charging system, starter motor, lighting systems, power windows, power locks HVAC: Heating, ventilation, and air conditioning system service, refrigerant handling, component replacement Body And Frame: Exterior panel removal/installation, interior trim, door mechanisms, glass replacement Wiring Diagrams: Comprehensive electrical schematics for all major systems Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting, fault code explanations Repair: Step-by-step repair instructions for all major components and systems Installation: Instructions for replacing parts and components Diagnostics: Guidance on using diagnostic tools, interpreting scan data, and pinpointing issues Technical Depth Depth: Factory-level detail, suitable for DIY enthusiasts and professional technicians 📊 Manual Specifications File Format Digital Format: Web-based access via browser Print Quality Print Capability: Printable pages available Binding Type Binding: N/A (Digital) Paper Type Paper Quality: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Name: VQ45DE Engine Configuration: 4.5L V8 Bore X Stroke: 93.0 mm x 82.7 mm Compression Ratio: 9.5:1 Performance Horsepower: 335 hp @ 6400 rpm Torque: 340 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (MFI) Fuel Type: Premium Unleaded Gasoline (91 octane recommended) Engine Components Valvetrain: DOHC, 32 valves Engine Control Unit: ECU: Consult manual for specific part numbers based on VIN 🔧 Transmission Standard Type: 5-speed Automatic (RE5R05A) Gear Ratios: Refer to manual for specific ratios (e.g., 3.637 / 2.311 / 1.550 / 1.000 / 0.795) Transmission Fluid Type: NISSAN Matic J (or equivalent DEXRON-III/MERCON compatible fluid) Features Overdrive: Yes (5th Gear) Manual Shift Mode: Yes (Manual Mode) 📐 Dimensions Exterior Length: 199.8 inches (5075 mm) Width: 71.7 inches (1821 mm) Height: 58.3 inches (1481 mm) Wheelbase: 114.2 inches (2900 mm) Weights Curb Weight: Approx. 3800-4000 lbs (1724-1814 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Front Impact: 5 Stars NHTSA Side Impact: 5 Stars IIHS Moderate Overlap Front: Good Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard Traction Control System (TCS) Electronic Stability: Standard Vehicle Dynamic Control (VDC) Passive Features Airbags: Driver, front passenger, front side-impact, front and rear curtain airbags 💡 Technology Features Infotainment Audio System: Bose premium audio system (typically 10 speakers) Navigation: Optional hard-drive based navigation system Driver Assistance Parking Sensors: Optional front and rear parking sensors Rearview Camera: Optional rearview camera integrated with navigation display Connectivity Bluetooth: Optional Bluetooth hands-free phone system 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months, whichever comes first (consult manual for specific conditions) Transmission Fluid Interval: Refer to manual; typically around 60,000 miles or as indicated by vehicle maintenance reminders Coolant Replacement: First change at 105,000 miles (168,000 km), then every 75,000 miles (120,000 km) Fluid Specifications Engine Oil Type: SAE 5W-30 API SM or ILSAC GF-4 certified Engine Oil Capacity: Approx. 5.1 US quarts (4.8 liters) with filter change Coolant Type: NISSAN Genuine Super Long Life Coolant (Blue) or equivalent P-OAT coolant Brake Fluid Type: SAE J1703 or FMVSS No. 116 DOT 3 Known Issues Oil Consumption: Some V8 engines may exhibit oil consumption; manual provides diagnostic steps Transmission Performance: Occasional reports of hard shifting or delayed engagement; manual covers transmission control module (TCM) diagnostics Suspension Components: Wear on bushings and ball joints can occur with mileage; manual details inspection and replacement procedures 📚 Vehicle History Brand Heritage Infiniti Founding: 1989, as Nissan's luxury division Model Evolution M45 Lineage: Part of the M-series sedan lineage, succeeding the Infiniti Q45 in some respects for larger sedan market presence Y50 Generation: First generation of the M-series platform (Y50), introduced for the 2003 model year in Japan (as Nissan Fuga), and 2006 in North America Production Manufacturing Location: Japan...