🏷️ Basic Information

Make:

Land Rover

Model:

Discovery 3

Model Alias:

LR3

Year:

2004

Internal Model Code:

L319

👋 Introduction

Positioning:

Essential technical resource for Land Rover Discovery 3 LR3 owners and independent repair facilities

Comparison:

Provides dealership-level information equivalent to official Land Rover service manuals

Accuracy:

Vehicle-specific, not generic information; accurate and concise text

Ease Of Use:

Easy-to-follow, step-by-step instructions with clear illustrations

Value Proposition:

Significant cost savings on maintenance and repairs for owners

📋 Manual Details

Primary Focus:

Service, Repair, and Workshop Procedures

Scope:

Complete vehicle maintenance and repair

Estimated Page Count:

Extensive (specific number not provided, but described as comprehensive)

Type:

Service Workshop Manual / Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Detailed procedures for engine disassembly, inspection, and reassembly

Engine Electrical:

Wiring schematics, diagnostic procedures, component testing

Emission Control:

System operation, diagnostics, and repair

Fuel System:

Fuel pump, injectors, lines, and tank service

Clutch System:

Clutch assembly, hydraulic system, and release bearing service

Manual Transaxle:

Gearbox disassembly, inspection, and repair

Automatic Transaxle:

Transmission service, fluid changes, and component repair

Driveshaft Axle:

Front and rear drive components, CV joints, and differentials

Suspension:

Air suspension, control arms, springs, shocks, and geometry adjustment

Steering:

Power steering system, rack and pinion, and steering column service

Restraint System:

Airbag system, seat belts, and associated diagnostics

Brake System:

Disc and drum brake service, ABS system diagnostics, fluid specifications

Body Interior Exterior:

Panel removal/installation, trim, doors, windows, and seals

Body Electrical:

Lighting, power accessories, sensors, and body control modules

HVAC:

Climate control system diagnosis, repair, and refrigerant handling

Maintenance:

Scheduled maintenance, fluid checks, filter replacements, lubrication

Troubleshooting:

Diagnostic charts, fault code interpretation, symptom-based troubleshooting

Repair:

Step-by-step repair instructions for all major vehicle systems

Diagnostics:

Detailed diagnostic procedures for electrical and mechanical systems

Specifications:

Torque values, clearances, fluid capacities, and tolerances

Electrical Diagnostics:

In-depth guidance on diagnosing and repairing the complex electrical systems, including component testing and wiring harness tracing.

Body Repair:

Procedures for body panel alignment, door and latch adjustment, glass replacement, and interior trim fitting.

HVAC Repair:

Detailed steps for air conditioning system servicing, heater core replacement, blower motor diagnostics, and climate control module troubleshooting.

Depth:

Comprehensive, from basic maintenance to advanced diagnostics and rebuilds

Target Audience:

DIY owners with basic mechanical skills and professional technicians

Content Type:

Step-by-step instructions, diagrams, illustrations, wiring schematics

📊 Manual Specifications

Compatibility:

All versions of Windows and Mac

Reader Requirement:

Adobe PDF Reader

Printability:

Yes, all pages are printable

Binding:

Digital (PDF) - no physical binding

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Options:

Likely 4.4L V8 (for early 2004 models) and 4.0L V6 (in some markets), but the manual covers all 2004 LR3 variants. Specific engine displacement and codes (e.g., 4.4L AJ8) would be detailed within the manual.

Horsepower Torque:

Detailed specifications for each engine variant will be found within the manual.

Fuel Type:

Gasoline (Petrol) - specific octane recommendations will be in the manual.

Injection System:

Electronic Fuel Injection (EFI) - detailed diagnostic and service procedures

🔧 Transmission

Standard Transmission:

Likely 6-speed automatic transmission (ZF 6HP26) as standard for most 2004 LR3 models.

Optional Transmission:

Manual transmission was not generally offered on the LR3/Discovery 3.

Transmission Features:

Detailed service procedures for the automatic transmission, including fluid type, capacity, and filter replacement.

📐 Dimensions

Wheelbase:

Approximately 113.6 inches (2885 mm) for the Discovery 3/LR3.

Length:

Approximately 191.1 inches (4854 mm) for the Discovery 3/LR3.

Curb Weight:

Varies by engine and equipment, generally around 5,100 - 5,500 lbs (2300 - 2500 kg).

🛡️ Safety Features

NHTSA Rating:

Specific NHTSA ratings for the 2004 model year would be detailed in crash test data, but the Discovery 3 was generally well-regarded for safety. Manual covers all related safety systems.

Active Safety:

Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), Electronic Stability Control (ESC), Hill Descent Control (HDC), Terrain Response System.

Passive Safety:

Multiple airbags (front, side, curtain), reinforced chassis, crumple zones. Manual details restraint system servicing.

💡 Technology Features

Infotainment System:

Features may include premium audio systems (e.g., Harman Kardon), navigation systems, and multi-function displays. Manual covers associated electrical systems.

Driver Assistance Features:

Hill Descent Control (HDC), Terrain Response System (adjusts vehicle settings for various terrains), Cruise Control.

Connectivity Features:

While early 2004 models may have limited connectivity, later iterations could include Bluetooth integration. The manual covers the relevant electrical interfaces.

🔧 Maintenance

Oil Change Interval:

Typically 7,500-10,000 miles or 12 months, whichever comes first. Manual will specify exact interval based on driving conditions.

Transmission Fluid Interval:

Often around 60,000-80,000 miles for automatic transmission fluid and filter service. Manual provides precise schedule.

Engine Oil Specification:

Refer to manual for specific viscosity grade (e.g., 5W-30 or 0W-30) and API/ACEA specifications, likely meeting Land Rover's specific requirements.

Coolant Specification:

Long-life antifreeze/coolant, likely a mix of ethylene glycol and deionized water. Manual will specify Land Rover's approved coolant.

Brake Fluid Specification:

DOT 3 or DOT 4 brake fluid. Manual will specify the exact type and bleeding procedures.

Common Issues:

The manual will detail solutions for known issues such as air suspension compressor failures, active cornering enhancement leaks, electronic module glitches, and potential drivetrain wear.

📚 Vehicle History

Brand Heritage:

Land Rover has a long history of producing capable off-road vehicles with a focus on ruggedness and luxury.

Discovery Evolution:

The Discovery 3 (LR3) represented a significant redesign, introducing a unibody construction (integrated body-frame) and advanced electronic systems like Terrain Response, moving from its traditional body-on-frame predecessors.

Production Years:

Discovery 3/LR3 production ran from 2004 to 2009.

🏆 Awards & Recognition

Awards And Recognitions:

The Discovery 3/LR3 received numerous accolades, including 'Best Luxury SUV' awards from various automotive publications for its off-road capability and on-road comfort, though specific awards for the 2004 model year are best researched separately. The manual facilitates maintaining these award-winning capabilities.