🏷️ Basic Information Identification Make: Land Rover Model: Discovery Year: 2003 Codes Discovery Series Designation: Series II (L318) 👋 Introduction Market Position Vehicle Segment: Premium Mid-size SUV / Off-Road Vehicle Competitive Analysis Key Competitors 2003: Jeep Grand Cherokee, Toyota 4Runner, Ford Explorer, Chevrolet TrailBlazer, Lexus RX330 Key Features Discovery Series Ii Strengths: Exceptional off-road capability, luxurious interior for its class, distinctive British styling, powerful V8 engine options, advanced air suspension system (optional). Manual Value Proposition: Provides comprehensive, factory-level repair and maintenance data for DIY enthusiasts and professional mechanics, saving significant costs compared to dealership service. 📋 Manual Details Coverage Areas Coverage Regions: Global (primarily North American specifications) Page Count Estimated Page Count: 1000+ Manual Type Manual Classification: Official Service and Repair Manual Language Language Provided: English Format Digital Format: Software / Digital Download (likely PDF or proprietary viewer) 📖 Manual Coverage Systems Covered Powertrain: Engine (4.0L V8, 4.6L V8), Transmission (automatic), Drivetrain (4WD system, differentials) Chassis: Suspension (air suspension, coil springs, shock absorbers), Steering, Brakes (ABS, EBD), Wheels and Tires Electrical: Electrical System, Battery, Charging System, Starting System, Lighting, Instrumentation, Body Control Module (BCM), Engine Control Module (ECM), Transmission Control Module (TCM), SRS (Airbag) System, Audio System, HVAC Control System Body: Body Panels, Doors, Windows, Sunroof, Interior Trim, Seats, Exterior Trim, Bumpers, Paint and Corrosion Protection Procedures Included Maintenance Tasks: Oil change, filter replacement, fluid checks and top-offs, spark plug replacement, belt inspection and replacement, brake pad and rotor replacement, tire rotation and balancing Diagnostic Procedures: Troubleshooting guides for common symptoms, diagnostic trouble code (DTC) interpretation, electrical system diagnostics, fuel system diagnostics, emissions system diagnostics Repair Operations: Engine component replacement (e.g., starter, alternator, water pump), transmission service and repair, brake system repairs, suspension component replacement, exhaust system repair, steering component replacement, HVAC system repair, electrical component repair and replacement Calibration And Adjustment: Wheel alignment, suspension height adjustment (if applicable), steering angle sensor calibration Technical Depth Diagnostic Capabilities: Detailed electrical schematics, diagnostic flowcharts, component testing procedures, wiring diagrams Repair Complexity: Covers basic to advanced repairs, including engine and transmission overhauls, complete brake system overhauls, and complex electrical system diagnostics and repairs. Special Tools: Lists required special tools and equipment for specific repair procedures. 📊 Manual Specifications File Format Software Compatibility: Windows OS (likely XP, Vista, 7, 8, 10) Print Quality Digital Rendering: High-resolution graphics, diagrams, and text for clear visibility Binding Type Digital Format Nature: Non-applicable (digital format) Paper Type Digital Format Nature: Non-applicable (digital format) ⚙️ Engine Specifications Primary Engine Engine Code And Type: Rover GEMS 4.0L V8 (VIN: R, S) and Bosch Motronic 4.6L V8 (VIN: T, W, X) Performance 4.0L V8 Horsepower: 182 hp @ 4750 rpm (approx.) 4.0L V8 Torque: 224 lb-ft @ 3200 rpm (approx.) 4.6L V8 Horsepower: 217 hp @ 4750 rpm (approx.) 4.6L V8 Torque: 277 lb-ft @ 3200 rpm (approx.) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Multi-point Recommended Fuel: Premium Unleaded Gasoline (91 Octane or higher recommended) Cooling System Coolant Type: Ethylene Glycol-based coolant (specific Land Rover specification required) Lubrication System Engine Oil Specification: SAE 5W-30 or 10W-40 (refer to manual for specific climate/usage) Engine Management Ignition System: Distributorless Electronic Ignition (DIS) with Coil-on-Plug (COP) or Coil-Near-Plug (CNP) 🔧 Transmission Standard Transmission Type Standard: ZF 4HP22 (4-speed automatic) Optional Transmission Type Optional: None for 2003 model year in most markets Features Transfer Case: Permanent Four-Wheel Drive with locking center differential and selectable low range. Fluid Specifications Automatic Transmission Fluid: Dexron III or equivalent (refer to manual for precise spec and capacity) 📐 Dimensions Exterior Wheelbase: 100.0 inches (2540 mm) Overall Length: 191.1 inches (4854 mm) Overall Width: 76.1 inches (1933 mm) Overall Height: 75.0 inches (1905 mm) Weights Curb Weight Approx: 4750 - 5000 lbs (2150 - 2268 kg) Gross Vehicle Weight Rating Gvw: 6280 lbs (2848 kg) Cargo Cargo Volume Behind 2Nd Row: Approx. 46.5 cu ft (1317 L) Cargo Volume With 2Nd Row Folded: Approx. 91.5 cu ft (2590 L) 🛡️ Safety Features Ratings NHTSA Rollover Rating: 4-star (Front-wheel drive) / 3-star (4-wheel drive) - as per typical SUV ratings for the era, consult specific test data for definitive figures. Active Features Traction Control: Traction Control System (TCS) Braking Assistance: Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD) Passive Features Airbags: Front driver and passenger airbags, optional front-side airbags. Seat Belts: 3-point height-adjustable seat belts with pretensioners for front occupants. Child Seat Anchors: LATCH (Lower Anchors and Tethers for Children) system 💡 Technology Features Infotainment Audio System Options: Factory AM/FM/CD stereo with optional premium sound system, CD changer, and navigation system (late availability). Driver Assistance Cruise Control: Standard cruise control system Parking Assist: Rear parking sensors available on some trim levels. Connectivity Auxiliary Input: Not typically standard, aftermarket solutions available. Convenience Features Remote Keyless Entry: Standard on most models Power Features: Power windows, power door locks, power mirrors,...