🏷️ Basic Information

Make:

Land Rover

Model:

Discovery 3

Model Alias:

LR3

Year:

2006

Chassis Code:

L319

👋 Introduction

Target Audience:

Land Rover Discovery 3 (LR3) owners with basic mechanical skills, independent auto service professionals, and enthusiast DIY mechanics.

Vehicle Segment:

Mid-size Luxury SUV, known for its off-road capability and versatility.

Value Proposition:

Provides dealership-level technical information at a fraction of the cost of professional service, empowering owners to perform maintenance and repairs, saving significant money on labor costs.

Content Highlight:

Includes diagrams, illustrations, and detailed wiring schematics crucial for accurate diagnosis and repair.

Information Source:

Written by the manufacturer (Land Rover), ensuring accuracy and completeness.

📋 Manual Details

Coverage Overview:

Comprehensive service, repair, and diagnostic information for the Land Rover Discovery 3 (LR3) 2006 model.

Estimated Page Count:

Extensive, likely exceeding 2000 pages given the depth of coverage and inclusion of wiring schematics.

Manual Type:

Factory Authorized Service Workshop Manual / Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Powertrain:

Engine Mechanical System, Engine Electrical System, Emission Control System, Fuel System, Clutch System, Manual Transaxle System, Automatic Transaxle System, Driveshaft and Axle.

Chassis And Suspension:

Suspension System, Steering System, Brake System.

Body And Interior:

Body (Interior and Exterior), Restraint System, Heating, Ventilation, Air Conditioning (HVAC).

Electrical And Diagnostics:

Body Electrical System, Wiring Schematics.

Emission Control:

Engine emission control systems, including catalytic converters, oxygen sensors, EGR systems (if applicable), and diagnostic procedures for emission-related faults.

HVAC:

Detailed information on the heating, ventilation, and air conditioning system, including refrigerant, compressor, evaporator, condenser, and blower motor servicing.

Body Electrical:

Comprehensive coverage of all body electrical components, including lighting (headlights, taillights, interior lights), power windows, mirrors, locks, and comfort features.

Repair Procedures:

Step-by-step repair instructions for all covered systems, including disassembly, component replacement, and reassembly.

Diagnostic Procedures:

Troubleshooting guides and diagnostic strategies for identifying and resolving common and complex issues.

Maintenance Procedures:

Routine maintenance tasks, fluid changes, filter replacements, and inspections.

Specification Data:

Detailed technical specifications, torque values, clearances, fluid capacities, and electrical data.

Troubleshooting Guide:

A dedicated section or integrated troubleshooting steps for diagnosing a wide range of vehicle problems, often organized by symptom.

Alignment Specifications:

Wheel alignment specifications for front and rear suspension systems.

Component Replacement Guides:

Specific guides for replacing common wear items and major components such as brake pads, discs, suspension arms, radiators, and alternators.

Depth Of Information:

Comprehensive, covering basic maintenance to advanced diagnostics and major component overhauls, equivalent to dealership-level repair information.

Wiring Diagrams:

Detailed electrical circuit diagrams and wiring schematics for all vehicle systems, crucial for diagnosing electrical faults.

📊 Manual Specifications

Compatibility:

All Versions of Windows and Mac OS.

Reader Requirements:

Adobe PDF Reader.

Printability:

Fully printable, allowing users to print individual pages or sections as needed.

Binding:

N/A (Digital PDF Format)

Paper Type:

N/A (Digital PDF Format)

⚙️ Engine Specifications

Engine Options Covered:

Likely covers the primary engine options for the 2006 Discovery 3/LR3, which typically included the 4.0L V8 (217 hp) and the 4.4L V8 (295 hp) from Jaguar, as well as the 2.7L TDV6 Diesel engine (190 hp).

Engine Performance Data:

Detailed specifications for horsepower, torque, engine codes, and performance characteristics for all covered engine variants.

Fuel System Details:

Covers fuel injection systems, fuel pumps, injectors, fuel lines, and associated diagnostic procedures.

Engine Component Overhaul:

Detailed procedures for engine rebuilding, including cylinder head removal/installation, piston and connecting rod replacement, crankshaft servicing, and timing component replacement.

🔧 Transmission

Transmission Types:

Covers both manual and automatic transmission systems.

Transmission Details:

Includes details on transmission fluid types, capacities, service intervals, and repair procedures for automatic (e.g., ZF 6HP26) and manual gearboxes.

Drivetrain:

Details on driveshafts, axles, differentials, and their maintenance and repair.

Drivetrain Component Repair:

Repair procedures for CV joints, driveshafts, propeller shafts, differential units, and axle components.

📐 Dimensions

Dimensions Overview:

While the manual itself may not list all exterior dimensions, it provides specifications for suspension, wheels, and tires necessary for alignment and tire changes.

Wheel Bolt Pattern:

While not explicitly stated for the manual, this is a critical specification often found within wheel and tire sections (e.g., 5x120 mm).

Tire Sizes:

Recommended and optional tire sizes for various trim levels and engine configurations.

Weight Specifications:

Likely includes curb weight, gross vehicle weight rating (GVWR), and axle weight limits where relevant for service procedures.

🛡️ Safety Features

Safety Features Overview:

Detailed information on the Restraint System, including airbags, seatbelts, and related control modules.

Active Safety Systems:

Information on braking systems, steering systems, and potentially electronic stability control (ESC) or terrain response system diagnostics if covered.

Passive Safety Components:

Components related to occupant protection such as airbag deployment strategies and sensor locations.

💡 Technology Features

Infotainment Systems:

Covers the electrical system for the infotainment and audio systems, including head units, speakers, and navigation if applicable.

Driver Assistance Systems:

Information on systems such as ABS, Traction Control, and potentially Electronic Stability Control (ESC) and Terrain Response settings.

Body Electrical Components:

Covers various electronic modules, sensors, lighting systems, and body control units, essential for diagnosing and repairing connectivity issues.

🔧 Maintenance

Scheduled Maintenance:

Provides detailed service schedules and recommended intervals for oil changes, filter replacements, fluid checks, and component inspections.

Timing Belt Chain Replacement:

If applicable, service intervals for timing belt or timing chain inspection and replacement for gasoline engines.

Transmission Fluid Change Interval:

Recommended mileage or time intervals for changing transmission fluid and filters.

Engine Oil Specification:

Specifies the correct engine oil viscosity grade and API/ACEA specifications (e.g., SAE 5W-30, meeting specific Land Rover approvals like WSS-M2C913-B for diesel engines).

Coolant Specification:

Details on the required coolant type and mixture ratio, likely a long-life OAT coolant approved by Land Rover.

Brake Fluid Specification:

Specifies the correct DOT brake fluid (e.g., DOT 4) required for the braking system.

Transmission Fluid Specification:

Details on the specific automatic transmission fluid (e.g., Land Rover LR002246 or equivalent ZF Lifeguardfluid8) or manual transmission oil required.

Power Steering Fluid Specification:

Details on the correct power steering fluid type and capacity.

Differential Fluid Specification:

Specifications for front, center, and rear differential fluids, including GL rating.

Common Faults:

While the manual primarily provides repair procedures, its comprehensive nature allows users to address common known issues such as air suspension problems, fuel injector issues (especially in diesel variants), and electronic module failures.

Air Filter Part Number:

Specific part numbers for genuine and aftermarket air filters, oil filters, and fuel filters are typically provided.

Oil Filter Part Number:

Specific part numbers for genuine and aftermarket oil filters.

Spark Plug Specification:

Details on the correct spark plug type, gap, and replacement intervals for gasoline engines.

📚 Vehicle History

Brand Legacy:

Land Rover has a long heritage of producing capable off-road vehicles, with the Discovery line representing a blend of luxury, utility, and off-road prowess.

Discovery Series Context:

The Discovery 3 (LR3) marked a significant evolution from previous generations, introducing monocoque chassis construction and advanced electronic systems like Terrain Response.

Production Period:

The Discovery 3 (L319) was produced from 2004 to 2009.

🏆 Awards & Recognition

Vehicle Recognitions:

The Discovery 3/LR3 was generally well-received for its off-road capability and comfortable ride, often praised in automotive reviews for its go-anywhere attitude. Specific awards may not be directly listed in the service manual but reflect the model's market standing.