🏷️ Basic Information

Make:

Land Rover

Model:

Discovery 2

Year:

1998

Generation:

Series II

Engine Code:

4.0L V8 (likely model code 40D or similar, often referred to as the 'Thor' engine)

👋 Introduction

Vehicle Segment:

Premium Mid-size SUV / Off-road Vehicle

Key Competitors:

Jeep Grand Cherokee, Toyota Land Cruiser, Mitsubishi Pajero/Montero, Ford Explorer, Chevrolet Blazer

Off Road Capability:

Renowned for its robust construction, sophisticated four-wheel-drive system (including center differential lock and optional rear locking differential on some models), Hill Descent Control (HDC), and ample ground clearance, making it a highly capable off-road vehicle.

Chassis Design:

Body-on-frame construction, providing superior durability and off-road articulation compared to unibody SUVs of the era.

📋 Manual Details

Systems Covered:

Engine (V8), Emission Control, Engine Management System, Cooling System, Manifolds and Exhaust Systems, Clutch, Manual Gearbox (R380), Transfer Box (LT230SE), Automatic Gearbox (ZF4HP22-24), Propeller Shafts, Rear Axle, Front Axle, Steering, Front Suspension, Rear Suspension, Brakes, Restraint Systems, Doors, Exterior Fittings, Interior Trim Components, Screens, Seats, Sunroof, Chassis and Body Dimensions, Panel Repairs, Body Sealing Materials, Corrosion Prevention and Sealing, Painting, Heating and Ventilation, Air Conditioning, Wipers and Washers, Charging and Starting, Lighting, Body Control Unit, Alarm System and Horn, Windows, In Car Entertainment, Harnesses, Driving Aids, Navigation System, Instruments

Estimated Page Count:

Extensive; typical factory service manuals for this era and complexity range from 1500-3000+ pages, but this specific PDF's count is not provided in the product description. It's assumed to be comprehensive.

Manual Type:

Factory Service Repair Manual

Language:

English

File Format:

PDF Download

📖 Manual Coverage

Engine V8 Coverage:

Detailed procedures for the 4.0L V8 engine, including disassembly, assembly, component testing, and overhaul. Covers ignition, fuel delivery, lubrication, and cooling specific to this engine.

Gearbox Coverage:

Includes repair and overhaul procedures for the R380 manual transmission and the ZF4HP22-24 automatic transmission, along with the LT230SE transfer box. Covers fluid changes, seal replacements, and internal component repairs.

Maintenance Procedures:

Comprehensive maintenance schedule, fluid capacities and specifications, lubrication points, filter replacement, brake fluid flush, cooling system service, and tune-up procedures.

Repair Procedures:

Step-by-step repair instructions for all major mechanical and electrical systems, including engine rebuilds, transmission overhauls, suspension and steering component replacement, brake system repairs, and body panel alignment.

Diagnostic Capabilities:

Advanced diagnostic information, troubleshooting guides, wiring diagrams (implied by 'Harnesses' and 'Instruments'), and fault code interpretation for engine management and other electronic systems.

📊 Manual Specifications

Print Quality:

Printable (high resolution PDF, suitable for home or professional printing)

Software Compatibility:

Compatible with WINDOWS and MAC operating systems. Requires Adobe PDF Reader.

⚙️ Engine Specifications

Engine Type:

V8, naturally aspirated

Displacement:

4.0 Liters (244 cubic inches)

Horsepower:

Approximately 182-190 hp (depending on specific engine calibration for 1998 model year)

Torque:

Approximately 235-245 lb-ft (depending on specific engine calibration for 1998 model year)

Fuel Injection:

Multi-point fuel injection (MPI)

ECU:

Lucas GEMS or Bosch Motronic system (specific to the 1998 model year, often referred to as 'Thor' engine management)

🔧 Transmission

Manual Transmission:

R380 5-speed manual

Automatic Transmission:

ZF 4HP22-24 4-speed automatic

Transfer Case:

LT230SE 2-speed transfer case with lockable center differential

📐 Dimensions

Wheelbase:

Approx. 100 inches (2540 mm)

Length:

Approx. 179.9 inches (4570 mm)

Curb Weight:

Approx. 4,500 - 4,800 lbs (2040 - 2180 kg)

🛡️ Safety Features

Airbags:

Driver and front passenger airbags

Braking System:

Four-wheel disc brakes with ABS. Some models may feature Electronic Brake Distribution (EBD).

Hill Descent Control:

Standard on Discovery 2 models, providing controlled descent on steep gradients.

💡 Technology Features

Audio System:

Factory fitted radio/cassette or CD player with speakers, often with steering wheel controls on higher trims. The manual covers the removal and installation of these components.

Electronic Traction Control:

Standard on Discovery 2, utilizing ABS sensors to manage wheelspin. The manual details its operation and troubleshooting.

Wiring Diagrams:

The manual is expected to contain comprehensive wiring diagrams for all electrical systems, crucial for diagnosing and repairing faults in the complex vehicle electronics.

🔧 Maintenance

Oil Change Interval:

Typically every 6,000 miles or 6 months (check manual for exact recommendation for the 1998 model).

Spark Plug Replacement:

Usually around 60,000 - 100,000 miles, depending on spark plug type (platinum or iridium).

Engine Oil Specification:

API SJ/SL, ACEA A2/A3, viscosity grade typically 10W-40 or 15W-40 (refer to manual for exact grade based on climate and engine health).

Coolant Specification:

Antifreeze/coolant conforming to Rover specification R74 or an ethylene glycol-based coolant with a silicate-free additive package (e.g., Dex-Cool compatible, or specific Land Rover coolant).

Transmission Fluid Atf:

ZF TE-ML 04D, ZF TE-ML 14A, or equivalent Dexron III (for automatic). Consult manual for R380 manual gearbox fluid (typically a specific GL-4 80W-90 or 75W-90).

Common Problems:

Head gasket failures (especially on earlier V8s, though improved on later 'Thor' engines), Active Cornering Enhancement (ACE) system leaks or pump failures, Self-Levelling Suspension (SLS) air spring leaks or compressor issues, rust on chassis and body panels, viscous coupling unit (VCU) failure in the transfer case, door seal degradation.

Engine Bolt Torque:

Detailed torque specifications for critical engine components such as cylinder head bolts, main bearing caps, and connecting rod bolts are provided in the manual.

📚 Vehicle History

Land Rover Legacy:

Land Rover has a long-standing reputation for producing rugged, go-anywhere off-road vehicles, dating back to the original Land Rover Series I.

Discovery Series Ii Development:

The Discovery Series II (1998-2004) was an evolution of the original Discovery I, featuring a longer wheelbase, updated styling, significant chassis improvements, and the introduction of Electronic Traction Control (ETC) and Hill Descent Control (HDC).

Manufacturing Location:

Solihull, West Midlands, United Kingdom

🏆 Awards & Recognition

Off Road Accolades:

While specific awards for the 1998 model year are not universally cataloged, the Discovery line has consistently received acclaim for its off-road prowess and durability from automotive publications and off-roading enthusiasts.