🏷️ Basic Information

Make:

Land Rover

Model:

Discovery 2

Year:

2004

Chassis Code:

L322 (though often referred to as Discovery Series II, it shares platform elements with the later L322 generation)

👋 Introduction

Market Segment:

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

Key Competitors:

Jeep Grand Cherokee, Toyota Land Cruiser, Mercedes-Benz ML-Class, BMW X5.

Distinguishing Features:

Go anywhere capability, sophisticated V8 engines, comfortable interior, advanced electronic aids (e.g., Hill Descent Control, ABS, Traction Control).

📋 Manual Details

Systems Covered Overview:

Comprehensive coverage of all mechanical, electrical, and body systems for the 2004 Land Rover Discovery 2.

Estimated Page Count:

Extensive (actual PDF page count varies by specific version but typically exceeds 1000 pages for a complete factory service manual).

Manual Type:

Factory Service Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine Systems:

V8 engine (4.0L, 4.6L variants), engine management, cooling, exhaust, emissions control.

Powertrain Systems:

Manual gearbox (R380), Transfer box (LT230SE), Automatic gearbox (ZF4HP22-24), clutch, propeller shafts, front and rear axles.

Chassis And Suspension:

Steering, front and rear suspension, brakes, chassis and body dimensions.

Body And Interior:

Doors, exterior fittings, interior trim, screens, seats, sunroof, panel repairs, body sealing, corrosion prevention, painting.

Electrical Systems:

Charging and starting, lighting, body control unit, alarm, horn, windows, infotainment, navigation, instruments, harnesses, driving aids.

HVAC Systems:

Heating and ventilation, air conditioning, wipers and washers.

Maintenance Procedures:

Scheduled maintenance, fluid changes, lubrication, filter replacements, tune-ups.

Repair Procedures:

Detailed step-by-step repair instructions for all major components and systems, including engine, transmission, suspension, brakes, and electrical systems.

Diagnostic Procedures:

Troubleshooting guides, diagnostic charts, and procedures for identifying and resolving common and complex issues.

Specification Data:

Torque wrench settings, fluid capacities, lubricant specifications, sealants, identification numbers, general data.

Body And Paint Repairs:

Detailed guidance on panel repairs, body sealing, corrosion prevention, and painting procedures.

HVAC Repair Procedures:

Instructions for servicing the heating, ventilation, and air conditioning systems, including refrigerant handling and component replacement.

Electrical Diagnostics:

Comprehensive wiring diagrams, component location charts, and diagnostic procedures for electrical issues.

Diagnostic Depth:

Advanced diagnostic procedures, including information on electronic control units (ECUs) and sensor testing.

Rebuild Depth:

Comprehensive rebuild procedures for engine, transmissions, axles, and other major mechanical components.

📊 Manual Specifications

File Quality:

High-resolution PDF, printable. Text is likely searchable.

Printability:

Yes

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

V8 (Rover).

Displacement:

4.0L (3948cc) and 4.6L (4554cc).

Horsepower 4.0L:

Approximately 188 hp @ 4750 rpm.

Torque 4.0L:

Approximately 267 lb-ft @ 2600 rpm.

Horsepower 4.6L:

Approximately 217 hp @ 4750 rpm.

Torque 4.6L:

Approximately 300 lb-ft @ 2600 rpm.

Fuel Injection:

Electronic Fuel Injection (EFI) with multi-point injection (MPI).

ECU Type:

Bosch Motronic or Lucas GEMS engine management systems, depending on specific engine and market.

🔧 Transmission

Transmission Type:

Optional manual or automatic transmissions.

Manual Transmission Model:

R380 (5-speed manual).

Automatic Transmission Model:

ZF 4HP22-24 (4-speed automatic).

Transfer Case:

LT230SE 2-speed transfer case with locking center differential.

Differential Lock:

Center differential lock (manual operation via transfer case lever) for enhanced off-road traction.

📐 Dimensions

Length:

Approximately 190.2 inches (4831 mm).

Width:

Approximately 72.2 inches (1834 mm).

Height:

Approximately 76.1 inches (1933 mm).

Curb Weight:

Approximately 4,600 - 4,800 lbs (2087 - 2177 kg).

Towing Capacity:

Typically rated around 7,700 lbs (3500 kg).

🛡️ Safety Features

NHTSA Crash Test Ratings:

Not consistently rated by NHTSA for this era, but equipped with robust safety structures.

Traction Control:

Advanced Traction Control (ETC) system.

Stability Control:

Optional Electronic Stability Control (ESC) on some models.

Braking Systems:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Hill Descent Control (HDC).

Airbags:

Front airbags for driver and passenger, optional side airbags.

Seatbelts:

Three-point seat belts with pretensioners.

💡 Technology Features

Audio System:

Factory fitted radio/cassette or CD player, with optional premium sound systems.

Navigation:

Optional factory navigation system, often a period-appropriate CRT or LCD screen-based unit.

Cruise Control:

Standard cruise control system.

Bluetooth:

Not typically factory-equipped; aftermarket solutions available.

🔧 Maintenance

Oil Change Interval:

Typically every 6,000 miles or 12 months, whichever comes first, using the correct specification oil.

Major Service Intervals:

Refer to manual for specific mileage/time intervals for spark plug replacement, coolant flush, transmission fluid service, etc. (e.g., spark plugs at 100,000 miles).

Engine Oil:

API SG/SH/SJ or higher, SAE 40 or 5W-30/5W-40 depending on climate. Consult manual for exact specification (e.g., Castrol GTX Magnatec 10W-40 often recommended).

Coolant:

Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Specific Land Rover recommended coolant is preferred.

Automatic Transmission Fluid:

ZF LifeguardFluid 5 or equivalent Dexron III/Mercon. Consult manual for specific part number.

Manual Transmission Fluid:

API GL-4 or GL-5, SAE 75W-90 or 80W-90. Consult manual for R380 specification.

Transfer Case Fluid:

API GL-5, SAE 80W-90.

Brake Fluid:

DOT 3 or DOT 4.

Power Steering Fluid:

Dexron III or equivalent. Consult manual for specific Land Rover part number.

Common Problems:

Slightly oil leaks (e.g., rocker cover gaskets, rear main seal), ABS/ETC warning lights (often due to wheel speed sensors or SLABS unit), head gasket issues (especially on earlier V8s), power steering pump leaks, door seal degradation, sagging headliner.

Suspension Wear:

Air suspension components (air springs, compressor) can wear out, leading to sag or uneven ride height. Bushings and ball joints in the solid axle suspension are also common wear items.

📚 Vehicle History

Manufacturer Legacy:

Land Rover is renowned for its off-road vehicles, established with the original Land Rover Series in 1948.

Discovery Series Evolution:

The Discovery 2 (Series II) built upon the success of the original Discovery, introducing significant updates, including a longer wheelbase, improved engines, and enhanced comfort features.

Production Years:

Discovery Series II produced from 1998 to 2004.

Manufacturing Location:

Solihull, West Midlands, United Kingdom.

🏆 Awards & Recognition

Off Road Accolades:

Consistently recognized for its off-road prowess and capability in various adventure and automotive publications.

Consumer Satisfaction:

Varied consumer satisfaction depending on specific model year and maintenance history, with a strong following among off-road enthusiasts.