🏷️ Basic Information

Make:

Land Rover

Model:

Discovery

Year:

1998

Generation Code:

Series I (LD)

Chassis Code:

LT

👋 Introduction

Segment:

Premium SUV / Off-road Vehicle

Competitors 1998:

Jeep Grand Cherokee, Toyota Land Cruiser, Ford Explorer, Chevrolet Blazer

Key Differentiation:

Exceptional off-road capability, robust construction, iconic British heritage

Vehicle Appeal:

Versatility for both on-road comfort and extreme off-road adventure

Manual Value Proposition:

Empowers owners and technicians with factory-level repair and maintenance knowledge

📋 Manual Details

Primary Coverage:

North America (Likely, given common market for this manual type)

Secondary Coverage:

Global (Specifications may vary by region)

Estimated Page Count:

1000+

Type:

Factory Service Repair Manual

Language:

English

Format Type:

Print

📖 Manual Coverage

Engine Mechanical:

Complete overhaul, diagnosis, repair, and specifications for all engine variants

Engine Management:

Fuel injection, ignition system, emissions control, sensors, actuators, ECU diagnosis

Transmission Manual:

Removal, disassembly, assembly, repair, and adjustment of manual gearbox

Transmission Automatic:

Removal, disassembly, assembly, repair, and adjustment of automatic transmission

Drivetrain And Axles:

Front and rear differentials, prop shafts, CV joints, transfer case (LT230) servicing

Suspension And Steering:

Front and rear suspension components, springs, dampers, steering rack, power steering system

Brakes:

Hydraulic system, ABS, front and rear brake components, parking brake

Electrical System:

Battery, charging system, starter, lighting, horns, power windows, central locking, wiring diagrams

Climate Control:

HVAC system diagnosis and repair, air conditioning components

Body And Frame:

Body panel removal and installation, interior trim, chassis diagnostics

Safety Systems:

Seat belts, airbags (if equipped)

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, inspections

Troubleshooting:

Diagnostic charts, symptom analysis, fault finding procedures

Repair:

Component removal, disassembly, reassembly, installation, and adjustment for all systems

Diagnostics:

On-board diagnostics (OBD-II) information, sensor readings, specific test procedures

Specifications:

Torque values, clearances, fluid capacities, pressures, electrical parameters

Wiring Diagrams:

Detailed electrical schematics for all vehicle systems

Depth:

Comprehensive (Covers from basic fluid checks to full engine and transmission rebuilds)

📊 Manual Specifications

Print Type:

Professionally printed book

Paper Quality:

Durable, high-quality paper designed for workshop environments

Illustration Quality:

Clear, detailed diagrams and illustrations

Binding:

Sturdy binding, likely perfect bound or saddle-stitched for durability

Paper Weight:

Sufficiently thick to withstand repeated use in a garage environment

⚙️ Engine Specifications

Engine Code Common:

300Tdi (for diesel), 4.0L V8 (for gasoline)

Engine Type Diesel:

2.5L (2498cc) 4-cylinder Turbocharged Direct Injection Diesel (300Tdi)

Engine Type Gasoline:

4.0L (3947cc) V8 SOHC (Rover V8)

Horsepower 300Tdi:

Approx. 111 hp @ 4000 rpm

Torque 300Tdi:

Approx. 195 lb-ft @ 1800 rpm

Horsepower 4.0 V8:

Approx. 182 hp @ 4750 rpm

Torque 4.0 V8:

Approx. 235 lb-ft @ 3250 rpm

Fuel System 300Tdi:

Lucas/Bosch Fuel Injection Pump, Turbocharged

Fuel System 4.0 V8:

Multi-point Electronic Fuel Injection (Lucas 14CUX or similar)

Engine Management System:

ECU controlled with extensive sensor network for optimal performance and emissions

🔧 Transmission

Transmission Type Std:

5-speed Manual (R380 gearbox)

Transmission Type Opt:

4-speed Automatic (ZF 4HP22 EH)

Transfer Case:

LT230 2-speed transfer case with center differential lock

Gear Ratios Manual Approx:

First: 3.21:1, Second: 1.77:1, Third: 1.20:1, Fourth: 1.00:1, Fifth: 0.78:1, Reverse: 3.15:1

Gear Ratios Auto Approx:

First: 2.48:1, Second: 1.48:1, Third: 1.00:1, Fourth: 0.73:1, Reverse: 2.09:1

Manual Transmission Fluid:

API GL-4 (e.g., Castrol EPX 80W/90 or equivalent)

Automatic Transmission Fluid:

ZF TE-ML 11A/11B (e.g., Shell Donax TX, Texaco ETL-7045E, or equivalent)

Manual Transmission Capacity Approx:

2.2 Liters (2.3 US Quarts)

Automatic Transmission Capacity Approx:

9.5 Liters (10.0 US Quarts) - dry fill

📐 Dimensions

Wheelbase:

108 inches (2743 mm)

Length:

179.1 inches (4550 mm)

Width:

70.2 inches (1783 mm)

Height:

74.7 inches (1897 mm)

Ground Clearance:

Approx. 8.3 inches (211 mm) depending on tire size and suspension

Curb Weight Approx Diesel:

4,450 lbs (2018 kg)

Curb Weight Approx V8:

4,550 lbs (2064 kg)

Gross Vehicle Weight Rating Gvwr Approx:

6,200 lbs (2812 kg)

🛡️ Safety Features

NHTSA Front Impact Rating:

Not rated or 4-star (1998 model year standards vary)

ABS:

Standard Anti-lock Braking System (4-channel)

Traction Control:

Optional (ETC - Electronic Traction Control) on some models

Airbags:

Driver and Passenger front airbags

Seatbelts:

3-point front seatbelts with pre-tensioners, 3-point rear seatbelts

Frame Type:

Body-on-frame construction

💡 Technology Features

Audio System:

Factory fitted AM/FM stereo radio/cassette player, optional CD player. Speaker configurations varied by trim level.

Cruise Control:

Optional on many models

Hill Descent Control Hdc:

Not standard on this generation, primarily a feature of later models (Series II onwards)

Connectivity Options:

Limited by 1998 standards; primarily focused on integrated audio and optional phone preparation in some higher trims.

🔧 Maintenance

Oil Change Interval Petrol:

Every 6,000 miles or 12 months, whichever comes first

Oil Change Interval Diesel:

Every 5,000 miles or 12 months, whichever comes first

Air Filter Replacement:

Every 12,000 miles or 12 months

Fuel Filter Replacement Diesel:

Every 12,000 miles or 12 months

Spark Plug Replacement Petrol:

Every 30,000 miles

Engine Oil Specification Petrol:

API SJ / ACEA A2-96 or similar, SAE 20W/50 or 10W/40 depending on climate (consult manual for exact)

Engine Oil Specification Diesel:

API CG-4 / ACEA B3-98 or similar, SAE 15W/40 or 10W/40 depending on climate (consult manual for exact)

Coolant Specification:

Ethylene Glycol based antifreeze, meeting Rover Group specification (e.g., OAT type)

Brake Fluid Specification:

DOT 3 or DOT 4

Common Wear Items:

Head gaskets (V8), coolant leaks, drive shaft universal joints, clutch wear (manual), power steering leaks

Diesel Specific:

Injector pump issues, turbocharger wear, glow plug failure

Body Corrosion:

Rust can be an issue on chassis, wheel arches, and door sills depending on climate and maintenance

📚 Vehicle History

Brand Legacy:

Land Rover has a long and storied history of producing rugged, capable off-road vehicles, dating back to the original Land Rover Series I in 1948.

Discovery Series I Launch:

Launched in 1989 as a more affordable and practical alternative to the Range Rover, bridging the gap between the utilitarian Defender and the luxurious Range Rover.

1998 Updates:

The 1998 model year saw refinements within the Series I generation, often including minor interior upgrades and potential introduction of some new features or options ahead of the Series II launch.

Production Years Series I:

1989-1998

Manufacturing Location:

Solihull, West Midlands, United Kingdom

🏆 Awards & Recognition

Off Road Accolades:

Consistently praised in automotive press for its off-road prowess and go-anywhere capability, earning it a strong reputation among adventurers.

Owner Satisfaction Trends:

Generally good owner satisfaction for its core off-road capabilities, though reliability can be a concern if not meticulously maintained.

Vehicle Homologation:

Designed to meet automotive safety and emissions standards for its intended markets.