🏷️ Basic Information Identification Make: Land Rover Model: Discovery 3 Model Designation: LR3 Production Years Covered: 2004, 2005, 2006, 2007, 2008, 2009 Codes Chassis Code: L320 (initial platform designation) 👋 Introduction Market Position Segment: Luxury Mid-size SUV / Off-road Vehicle Competitive Analysis Key Competitors: BMW X5, Mercedes-Benz M-Class, Lexus RX, Audi Q7 (depending on specific engine/trim) Key Features Platform: Integrated body-frame chassis (derived from Ford's D3 platform), renowned for off-road capability and on-road refinement Suspension Type: Four-corner Independent Air Suspension (Alpine Air Suspension) with Terrain Response 📋 Manual Details Coverage Areas Primary Coverage: Complete factory service and repair All Styles Covered: Yes Page Count Estimated Pages: Hundreds (specific count not provided, but indicated as comprehensive) Manual Type Type: Factory Service Repair Manual / Download PDF Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered General Maintenance: Comprehensive Troubleshooting: Advanced guide included Engine Service Repair: Complete Transmission Service Repair: Complete Brake System: Comprehensive Wiring Diagrams: Included Electrical System: Comprehensive Suspension: Comprehensive Periodic Lubrication: Detailed Steering: Comprehensive Cooling System: Comprehensive Fuel Injection Fuel System: Comprehensive Emission System: Comprehensive Heating Air Conditioning: Comprehensive Engine Control System: Comprehensive Chassis Body: Comprehensive Restraint System: Comprehensive Interior: Comprehensive Differential Drive: Comprehensive Axle: Comprehensive Procedures Included Repair Procedures: Step-by-step, detailed with illustrations Maintenance Procedures: Covered extensively Diagnostic Procedures: Included in troubleshooting Technical Depth Depth: Factory-level, suitable for professional technicians and knowledgeable owners Information Source: Same information used by factory-trained technicians 📊 Manual Specifications File Format Format: PDF Compatibility: All PC-based Windows operating systems and Mac Print Quality Printability: Printable without restriction; individual pages or entire manual Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Delivery Method Delivery: Instant download link post-payment Software Requirements Reader: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Options: 3.0L V6 TDV6 Diesel (2004-2006), 4.4L V8 Naturally Aspirated Gasoline (2004-2005), 4.0L V8 Naturally Aspirated Gasoline (2006-2009), 4.4L V8 Supercharged Gasoline (2006-2009 - sold as Range Rover Sport, but platform share exists) Performance Horsepower Range: Approximately 177 hp (TDV6) to 300 hp (4.4L V8) Torque Range: Approximately 295 lb-ft (TDV6) to 315 lb-ft (4.4L V8) Fuel System Diesel Fuel System: Common Rail Direct Injection (CRDI) for TDV6 Gasoline Fuel System: Multi-point Fuel Injection (MPI) 🔧 Transmission Standard Transmission Type: 6-speed ZF 6HP26 Automatic Transmission Optional Optional Transmissions: N/A (standard across most configurations) Features Transmission Features: CommandShift manual override, electronically controlled, integrated with Terrain Response 📐 Dimensions Exterior Wheelbase: Approximately 113.5 inches (2885 mm) Length: Approximately 191.1 inches (4855 mm) Width: Approximately 78.5 inches (1995 mm) Height: Approximately 74.1 inches (1882 mm) (standard ride height) Weights Curb Weight Range: Approximately 5,200 - 5,700 lbs (2360 - 2585 kg) 🛡️ Safety Features Ratings NHTSA Front Rollover: 4-star rating (for specific configurations) Active Features Terrain Response: Standard, optimizes chassis and drivetrain for various surfaces (e.g., Grass/Gravel/Snow, Mud-Ruts, Sand, Rock Crawl) Hill Descent Control: Standard Passive Features Airbags: Front, side-impact, and curtain airbags 💡 Technology Features Infotainment Infotainment System: Touchscreen navigation system, premium audio options (e.g., Harman Kardon), climate control integration Driver Assistance Driver Assistance Features: Parking sensors, adaptive cruise control (optional), electronic stability control (DSC), roll stability control (RSC) Connectivity Connectivity Options: Bluetooth phone integration (later models/options), auxiliary audio input 🔧 Maintenance Service Intervals Oil Change Interval: Approximately 7,500 to 10,000 miles or 12 months, whichever comes first (refer to manual for exact specification based on engine and driving conditions) Fluid Specifications Engine Oil Type Gasoline: API SL/SM, SAE 5W-30 or 5W-40 (e.g., Castrol Edge Professional OE) Engine Oil Type Diesel: API CF/CG-4 or ACEA B3/B4, SAE 5W-30 or 10W-30 (e.g., Castrol GTX Diesel) Transmission Fluid Type: ZF LifeguardFluid 6 (e.g., Pentosin ATF1) Coolant Type: OAT (Organic Acid Technology) coolant, typically ethylene glycol-based, often specific Land Rover specification (e.g., LR coolant, blue colored) Known Issues Air Suspension: Compressor failure, air spring leaks, height sensor issues are common Timing Chain: Potential wear and stretching on gasoline engines, especially the 4.4L V8, can lead to noise and performance issues Egr System Diesel: Clogging of the Exhaust Gas Recirculation (EGR) valve and cooler on TDV6 engines due to soot buildup Interior Electronics: Various minor electrical glitches and sensor faults can occur 📚 Vehicle History Brand Heritage Heritage Association: Land Rover is renowned for its off-road prowess and luxury SUVs Model Evolution Predecessor: Land Rover Discovery Series II Successor: Land Rover Discovery 4 (LR4) Production Platform Origin: Shared significant platform components with Ford Explorer/Mountaineer (4th Gen) and Volvo XC90, contributing to improved refinement and safety 🏆 Awards & Recognition Recognitions Off Road Capability: Widely recognized for exceptional off-road capability and versatility, a hallmark of the Discovery lineage Ratings Consumer Reports: Mixed reliability ratings historically, but praised for comfort and capability