🏷️ Basic Information Identification Make: Jaguar Model: XJR Year: 2003 Generation Generation Code: X308 (facelift) 👋 Introduction Market Position Positioning: Premium Luxury Performance Sedan Competitive Analysis Competitors: BMW 7 Series, Mercedes-Benz S-Class, Audi A8, Lexus LS Key Features Performance Focus: Supercharged V8 engine delivering significant horsepower and torque, sport-tuned suspension. Luxury Appointments: High-quality interior materials, advanced features for its time, refined ride quality. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Diagnostics, Wiring Diagrams, Specifications Page Count Estimated Pages: Extensive (Digital Format, equivalent to several thousand printed pages) Manual Type Type: Official Factory Service and Repair Manual Software Language Language: English Format Format: Online Software / Web-based Access 📖 Manual Coverage Systems Covered Powertrain: Engine (4.0L Supercharged V8), Transmission (5-speed Automatic), Drivetrain Chassis: Suspension (Adaptive), Steering, Brakes (ABS, Traction Control) Electrical: Wiring Diagrams, Lighting, Instrumentation, Audio System, Body Electrical Control Modules Comfort And Climate: Heating, Ventilation, and Air Conditioning (HVAC), Climate Control Systems Body: Exterior Body Panels, Interior Trim, Doors, Windows, Seats Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replenishments Repair: Engine Overhaul, Transmission Rebuild, Brake System Overhaul, Suspension Component Replacement, Electrical Component Diagnosis and Repair Diagnostics: Troubleshooting Guides, Fault Code Interpretation, Diagnostic Procedures for all Major Systems Engine Repair: Detailed procedures for engine assembly/disassembly, piston and ring replacement, valve train servicing, cylinder head gasket replacement, supercharger belt and pulley replacement, lubrication system overhaul. Transmission Repair: Step-by-step guides for transmission fluid and filter changes, removal and installation of the transmission, torque converter replacement, and internal transmission component servicing. Brake System Service: Procedures for brake pad and rotor replacement, caliper servicing, brake fluid flush, ABS system diagnosis and repair. Suspension Steering Service: Detailed instructions for shock absorber and strut replacement, spring replacement, control arm bushing replacement, steering rack and power steering system service. Electrical Diagnostics: Comprehensive wiring diagrams for all vehicle systems, troubleshooting flowcharts for common electrical faults, testing procedures for sensors, actuators, and control modules. HVAC Service: Procedures for refrigerant system servicing (leak testing, recharging), climate control module diagnosis, blower motor replacement, heater core and A/C evaporator replacement. Body Repair: Information on door panel removal, window regulator repair, seat removal, exterior panel alignment, and minor bodywork procedures. Technical Depth Depth: Comprehensive: From basic fluid changes to complete engine and transmission rebuilds, including advanced electrical diagnostics and ECU information. 📊 Manual Specifications File Format File Type: Proprietary Web-based Software (Access via Browser) Print Quality Quality: High-resolution digital rendering of factory data, featuring clear diagrams and text. Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: 4.0L V8 Supercharged (AJ-V8) Engine Code: Likely variant of AJ27S / AJ27SC Performance Horsepower: 370 hp @ 6100 rpm Torque: 387 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Port Fuel Injection (SFI) Supercharger Type: Roots-type Supercharger 🔧 Transmission Standard Transmission Type: 5-speed ZF Friedrichshafen automatic (5HP24) Optional Optional Transmissions: N/A for XJR Features Transmission Features: Adaptive Shift Control, Sport Mode 📐 Dimensions Exterior Wheelbase: 118.5 inches (3010 mm) Length: 197.6 inches (5019 mm) Width: 72.9 inches (1852 mm) Height: 55.0 inches (1397 mm) Weights Curb Weight: Approximately 4145 lbs (1880 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: Likely 4-star (for driver/passenger, based on typical Jaguar ratings of the era) IIHS Side Impact: Likely Acceptable or Good (for vehicles of this era) Active Features Traction Control: Standard (ASR - Acceleration Slip Regulation) Stability Control: Likely standard or optional (Electronic Stability Control - ESC) ABS: Standard (Anti-lock Braking System) Passive Features Airbags: Front Airbags, Side Airbags (likely standard), Side Curtain Airbags (possibly optional or standard) Seatbelts: 3-point front and rear seatbelts with pre-tensioners 💡 Technology Features Infotainment Audio System: Premium sound system (e.g., Alpine or Harman Kardon), typically with CD player and radio. Navigation system may be optional. Driver Assistance Cruise Control: Adaptive Cruise Control (ACC) may have been an option on some models. Connectivity Phone Integration: Early Bluetooth phone integration or a dedicated phone cradle system may be present. 🔧 Maintenance Service Intervals Oil Change Interval: Recommended every 5,000-7,500 miles or 6-12 months, using synthetic oil. Transmission Fluid Interval: Refer to manual; often around 60,000-100,000 miles for fluid and filter change, depending on driving conditions. Fluid Specifications Engine Oil: API SJ or higher, SAE 5W-30 or 5W-40 Synthetic recommended. Specific Jaguar approval may be required (e.g., Jaguar WSS-M2C200-CD or similar). Coolant: Jaguar specific OAT (Organic Acid Technology) coolant, or equivalent meeting Jaguar STJLR.614.7000 specification. Typically a 50/50 mix with distilled water. Transmission Fluid: ZF TE-ML 04D, TE-ML 14B, or equivalent specified for the ZF 5HP24 transmission. Often Dexron III/VI compatible but specific fluid is best. Known Issues Engine Tensioners: Early 4.0L AJ-V8 engines (pre-2002) had plastic timing chain tensioners prone to failure, leading to catastrophic engine damage. The 2003 XJR likely has updated components, but inspection is critical. Supercharger...