1999 Discovery Series II (L318) Service And Repair Manual

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🏷️ Basic Information Identification Make: Land Rover Model: Discovery Series II Model Code: L318 Year: 1999 Codes Vin Prefix: SAL 👋 Introduction Market Position Positioning: The Discovery Series II (L318) represented Land Rover's commitment to blending luxury with robust off-road capability. Positioned as a premium, versatile SUV for families and adventurers, competing with vehicles like the Jeep Grand Cherokee, Mercedes-Benz M-Class, and Toyota Land Cruiser Prado of its era. Competitive Analysis Key Competitors: Jeep Grand Cherokee WJ, Mercedes-Benz W163 ML-Class, Toyota Land Cruiser Prado (J120), Lexus RX (XU10), Ford Explorer. Key Features Distinguishing Features: Iconic boxy styling, significant off-road prowess via sophisticated four-wheel-drive systems, advanced suspension technology (SLS, ACE), strong V8 engine option, spacious and versatile interior, robust construction. Manual Value Proposition Value: Provides dealership-level technical information, enabling owners and independent technicians to perform accurate diagnostics, maintenance, and repairs, crucial for maintaining the longevity and performance of this complex vehicle. 📋 Manual Details Coverage Areas Primary Coverage: All models and all repairs A-Z for the 1999 Discovery Series II (L318) Page Count Estimated Page Count: 1000+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Print (typically) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, transmission, transfer case, driveline components (prop shafts, differentials, axles) Chassis: Suspension (including Active Cornering Enhancement and Self-Levelling Suspension), steering, brakes (ABS, EBD, DSC), wheels and tires Body And Frame: Body structure, panels, doors, windows, glass, interior trim, exterior trim, bumpers, lighting systems, wipers and washers Electrical And Electronics: Wiring diagrams, fuse box locations, lighting circuits, power windows, central locking, audio system, climate control, instrument cluster, engine control module (ECM) and related sensors, Body Control Module (BCM), airbag system (SRS), Advanced Traction Control (ATC), Hill Descent Control (HDC) Procedures Included Maintenance: Scheduled maintenance, fluid changes (engine oil, coolant, brake fluid, power steering fluid, differential oil, transfer case oil), filter replacements (oil, air, fuel, cabin), lubrication points, spark plug replacement, belt inspection and replacement Diagnostics And Troubleshooting: Diagnostic trouble codes (DTCs) interpretation, symptom-based troubleshooting guides, electrical system diagnosis, engine performance issues, transmission problems, brake system faults, suspension and steering irregularities Repairs: Engine overhaul (short block, long block, cylinder heads), fuel injector testing and replacement, radiator and cooling system repair, transmission overhaul and component replacement, clutch service (if applicable), driveshaft and CV joint repair, brake caliper and rotor replacement, suspension component replacement (bushings, ball joints, tie rod ends, shock absorbers/struts), steering rack repair/replacement, alternator and starter motor replacement, power steering pump service, HVAC system repair, body panel repair and replacement, lighting fixture replacement Specifications And Data: Torque specifications for critical fasteners, engine timing procedures, valve clearances, electrical component specifications, fluid capacities and types, diagnostic data (e.g., sensor readings) Technical Depth Depth: Comprehensive, covering routine maintenance to major overhaul and diagnostic procedures. Specific to the model and not generic. 📊 Manual Specifications File Format Digital Format: N/A (This description implies a physical printed manual, not a digital file) Print Quality Quality: High quality, designed for workshop use. Includes clear diagrams and illustrations. Binding Type Binding: Durable binding suitable for repeated use in a workshop environment (e.g., spiral bound, perfect bound, or comb bound). Paper Type Paper: Heavy-duty paper stock designed to withstand workshop conditions and frequent handling. ⚙️ Engine Specifications Primary Engine Engine Code: 10A (GEMS) Engine Type: 3.9L V8 (Rover GEMS - Gas Engine Management System) Displacement: 3947 cc Bore X Stroke: 88.9 mm x 78.9 mm Compression Ratio: 8.75:1 Horsepower Hp: 182 hp @ 4750 rpm Torque Lb Ft: 290 lb-ft @ 3250 rpm Engine Variants Diesel Option: 2.5L TD5 (10P/12P) - In later Series II models and in some markets. Diesel Displacement: 2498 cc Diesel Horsepower Hp: 136 hp @ 4200 rpm Diesel Torque Lb Ft: 279 lb-ft @ 1900 rpm Fuel System Fuel Delivery V8: Multi-point Fuel Injection (MPI) with GEMS ECU Fuel Delivery Diesel: Direct Injection, electronically controlled (ACE - Advanced Common-rail Electronic) with EDC ECU Fuel Type Required Octane V8: Premium Unleaded 91 Octane (RON+MON)/96 RON (Minimum recommended for optimal performance) Required Fuel Diesel: Diesel Fuel Ignition System Ignition Type: Electronic ignition with Distributorless Ignition System (DIS) on some models, coil-on-plug on later variants. 🔧 Transmission Standard Transmission Type V8: 4-speed automatic (ZF 4HP22) Optional Transmission Type Diesel: 5-speed manual (R380) Transmission Type Diesel Auto: 4-speed automatic (GFT 4) – often associated with TD5 Features Transfer Case: Permanent four-wheel drive with a 2-speed transfer box (high/low range) and lockable center differential (electronically controlled via SLABS/BCM). Fluid Specification Automatic Transmission Fluid: Dexron III (or equivalent specification for ZF 4HP22) Manual Transmission Fluid: API GL-4 or GL-5, SAE 75W-90 (check specific manual for exact spec) Transfer Case Fluid: API GL-4 or GL-5, SAE 75W-90 (check specific manual for exact spec) 📐 Dimensions Exterior Length: 4706 mm (185.3 in) Width: 1887 mm (74.3 in) Height: 1943 mm...

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Typ: Car

Anbieter:

Art.-Nr: 489489

Sammlungen: ALL Land Rover

Verfügbarkeit: Auf Lager

Stichworte: 1999 Car Discovery Series II (L318) Land Rover

Produktvarianten

Beschreibung

🏷️ Basic Information

Identification

Make:

Land Rover

Model:

Discovery Series II

Model Code:

Year:

Codes

Vin Prefix:

👋 Introduction

Market Position

Positioning:

The Discovery Series II (L318) represented Land Rover's commitment to blending luxury with robust off-road capability. Positioned as a premium, versatile SUV for families and adventurers, competing with vehicles like the Jeep Grand Cherokee, Mercedes-Benz M-Class, and Toyota Land Cruiser Prado of its era.

Competitive Analysis

Key Competitors:

Jeep Grand Cherokee WJ, Mercedes-Benz W163 ML-Class, Toyota Land Cruiser Prado (J120), Lexus RX (XU10), Ford Explorer.

Key Features

Distinguishing Features:

Iconic boxy styling, significant off-road prowess via sophisticated four-wheel-drive systems, advanced suspension technology (SLS, ACE), strong V8 engine option, spacious and versatile interior, robust construction.

Manual Value Proposition

Value:

Provides dealership-level technical information, enabling owners and independent technicians to perform accurate diagnostics, maintenance, and repairs, crucial for maintaining the longevity and performance of this complex vehicle.

📋 Manual Details

Coverage Areas

Primary Coverage:

All models and all repairs A-Z for the 1999 Discovery Series II (L318)

Page Count

Estimated Page Count:

1000+

Manual Type

Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

Print (typically)

📖 Manual Coverage

Systems Covered

Powertrain:

Engine mechanical, fuel system, ignition system, exhaust system, transmission, transfer case, driveline components (prop shafts, differentials, axles)

Chassis:

Suspension (including Active Cornering Enhancement and Self-Levelling Suspension), steering, brakes (ABS, EBD, DSC), wheels and tires

Body And Frame:

Body structure, panels, doors, windows, glass, interior trim, exterior trim, bumpers, lighting systems, wipers and washers

Electrical And Electronics:

Wiring diagrams, fuse box locations, lighting circuits, power windows, central locking, audio system, climate control, instrument cluster, engine control module (ECM) and related sensors, Body Control Module (BCM), airbag system (SRS), Advanced Traction Control (ATC), Hill Descent Control (HDC)

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes (engine oil, coolant, brake fluid, power steering fluid, differential oil, transfer case oil), filter replacements (oil, air, fuel, cabin), lubrication points, spark plug replacement, belt inspection and replacement

Diagnostics And Troubleshooting:

Diagnostic trouble codes (DTCs) interpretation, symptom-based troubleshooting guides, electrical system diagnosis, engine performance issues, transmission problems, brake system faults, suspension and steering irregularities

Repairs:

Engine overhaul (short block, long block, cylinder heads), fuel injector testing and replacement, radiator and cooling system repair, transmission overhaul and component replacement, clutch service (if applicable), driveshaft and CV joint repair, brake caliper and rotor replacement, suspension component replacement (bushings, ball joints, tie rod ends, shock absorbers/struts), steering rack repair/replacement, alternator and starter motor replacement, power steering pump service, HVAC system repair, body panel repair and replacement, lighting fixture replacement

Specifications And Data:

Torque specifications for critical fasteners, engine timing procedures, valve clearances, electrical component specifications, fluid capacities and types, diagnostic data (e.g., sensor readings)

Technical Depth

Depth:

Comprehensive, covering routine maintenance to major overhaul and diagnostic procedures. Specific to the model and not generic.

📊 Manual Specifications

File Format

Digital Format:

N/A (This description implies a physical printed manual, not a digital file)

Print Quality

Quality:

High quality, designed for workshop use. Includes clear diagrams and illustrations.

Binding Type

Binding:

Durable binding suitable for repeated use in a workshop environment (e.g., spiral bound, perfect bound, or comb bound).

Paper Type

Paper:

Heavy-duty paper stock designed to withstand workshop conditions and frequent handling.

⚙️ Engine Specifications

Primary Engine

Engine Code:

10A (GEMS)

Engine Type:

3.9L V8 (Rover GEMS - Gas Engine Management System)

Displacement:

3947 cc

Bore X Stroke:

88.9 mm x 78.9 mm

Compression Ratio:

8.75:1

Horsepower Hp:

182 hp @ 4750 rpm

Torque Lb Ft:

290 lb-ft @ 3250 rpm

Engine Variants

Diesel Option:

2.5L TD5 (10P/12P) - In later Series II models and in some markets.

Diesel Displacement:

2498 cc

Diesel Horsepower Hp:

136 hp @ 4200 rpm

Diesel Torque Lb Ft:

279 lb-ft @ 1900 rpm

Fuel System

Fuel Delivery V8:

Multi-point Fuel Injection (MPI) with GEMS ECU

Fuel Delivery Diesel:

Direct Injection, electronically controlled (ACE - Advanced Common-rail Electronic) with EDC ECU

Fuel Type

Required Octane V8:

Premium Unleaded 91 Octane (RON+MON)/96 RON (Minimum recommended for optimal performance)

Required Fuel Diesel:

Diesel Fuel

Ignition System

Ignition Type:

Electronic ignition with Distributorless Ignition System (DIS) on some models, coil-on-plug on later variants.

🔧 Transmission

Standard

Transmission Type V8:

4-speed automatic (ZF 4HP22)

Optional

Transmission Type Diesel:

5-speed manual (R380)

Transmission Type Diesel Auto:

4-speed automatic (GFT 4) – often associated with TD5

Features

Transfer Case:

Permanent four-wheel drive with a 2-speed transfer box (high/low range) and lockable center differential (electronically controlled via SLABS/BCM).

Fluid Specification

Automatic Transmission Fluid:

Dexron III (or equivalent specification for ZF 4HP22)

Manual Transmission Fluid:

API GL-4 or GL-5, SAE 75W-90 (check specific manual for exact spec)

Transfer Case Fluid:

API GL-4 or GL-5, SAE 75W-90 (check specific manual for exact spec)

📐 Dimensions

Exterior

Length:

4706 mm (185.3 in)

Width:

1887 mm (74.3 in)

Height:

1943 mm (76.5 in)

Wheelbase:

2746 mm (108.1 in)

Weights

Curb Weight Approx:

2100 kg - 2300 kg (4630 lbs - 5070 lbs) depending on engine and specification

Gross Vehicle Weight Rating Gvwr:

Approx. 2900 kg (6390 lbs)

Cargo

Cargo Volume Seats Up:

Approx. 1083 liters (38.2 cu ft)

Cargo Volume Seats Down:

Approx. 2265 liters (80.0 cu ft)

🛡️ Safety Features

Ratings

NHTSA Ratings:

Not readily available for this model year from typical public databases, as testing standards and public reporting were less standardized.

Euro Ncap Ratings:

3 stars (for the initial Discovery II, specific testing for 1999 may vary)

Active Features

Traction Control:

ETC (Electronic Traction Control), also known as ATC (Active Traction Control) – standard on many models.

Stability Control:

DSC (Dynamic Stability Control) – optional or standard on higher trims, aiding in maintaining vehicle control during cornering.

Hill Descent Control:

HDC (Hill Descent Control) – standard on most models, assisting in controlled descents on steep gradients.

Passive Features

Airbags:

Driver and front passenger airbags. Side airbags optional on some models.

Seatbelts:

Three-point seatbelts with pretensioners for front occupants, three-point seatbelts for rear occupants.

Anti Lock Brakes:

ABS (Anti-lock Braking System) – standard on all models.

Electronic Brakeforce Distribution:

EBD (Electronic Brakeforce Distribution) – often integrated with ABS.

💡 Technology Features

Infotainment

Audio System:

Factory-fitted radio/cassette player with CD changer option. Basic speaker configurations, though premium sound systems were available on higher trims.

Navigation:

Optional GPS navigation system, typically a separate unit with a CRT screen integrated into the dashboard.

Climate Control:

Manual or automatic climate control systems (HVAC) with cabin air filtration. Dual-zone climate control available on some models.

Driver Assistance

Cruise Control:

Standard on most models.

Parking Assistance:

Rear parking sensors became available on later models or as aftermarket additions.

Connectivity

Remote Locking:

Key fob with remote central locking and immobilizer system.

Vehicle Diagnostics:

OBD-II (On-Board Diagnostics II) port available for scan tools, allowing access to engine and chassis control module fault codes.

Suspension Technology

Self Levelling Suspension:

SLS (Self-Levelling Suspension) – Rear air springs automatically maintain ride height under load, enhancing comfort and handling.

Active Cornering Enhancement:

ACE (Active Cornering Enhancement) – A hydraulic system that counteracts body roll during cornering, improving on-road handling without compromising off-road articulation.

🔧 Maintenance

Service Intervals

Engine Oil And Filter:

Every 12,000 miles or 12 months, whichever comes first (synthetic oil recommended).

Air Filter:

Every 24,000 miles or 24 months.

Fuel Filter:

Every 24,000 miles or 24 months (diesel models).

Spark Plugs V8:

Every 60,000 miles (check specific plug type, e.g., iridium).

Coolant Change:

Every 36,000 miles or 24 months (or as per manual recommendation, often uses OAT coolant).

Transmission Fluid Change Auto:

Every 60,000 miles (or as per manual, fluid and filter)

Fluid Specifications

Engine Oil V8:

SAE 10W-40 or 10W-30 Synthetic (API SJ or SL, ACEA A3/B3/B4). Consult manual for specific viscosity and API rating.

Engine Oil Diesel:

SAE 5W-40 or 10W-40 Synthetic Diesel (API CF or CG-4, ACEA B3/B4). Consult manual for specific viscosity and API rating.

Coolant:

OAT (Organic Acid Technology) coolant, typically a pink or orange color. Check manual for specific Land Rover specification (e.g., JLM X20062).

Brake Fluid:

DOT 4 (ISO 4925 Class 4)

Power Steering Fluid:

Dexron III (or equivalent)

Known Issues

Engine V8 Gaskets:

Cracking of cylinder head liner seals/gaskets ('slipped liners' or coolant leaks into cylinders) is a known, significant issue. Also, head gasket leaks.

Engine Diesel Td5:

Oil leaks from the injector loom seal, head gasket issues, and turbocharger problems are common. Engine management issues related to the ECU and sensors.

Suspension Sls:

Failure of the Self-Levelling Suspension (SLS) compressor, air springs, or lines. Leaks in the system can cause ride height issues.

Suspension Ace:

Active Cornering Enhancement (ACE) system pump failures, leaks in the hydraulic lines, or sensor/actuator issues can lead to body roll or warning lights.

Drivetrain:

Cracking of the driveshaft universal joints (UJs) or constant velocity (CV) joints. Rear differential pinion seal leaks.

Electronics:

BCM (Body Control Module) and ABS/TC/HDC module failures, door lock actuator issues, window regulator failures, instrument cluster faults.

Cooling System:

Plastic expansion tanks can become brittle and crack. Water pump leaks. Radiator hoses can degrade.

Brake System:

ABS modulator failures. Wear on brake discs and pads due to the vehicle's weight.

📚 Vehicle History

Brand Heritage

Land Rover Heritage:

Land Rover has a long-standing reputation for producing robust, go-anywhere vehicles, originating with the Land Rover Series I in 1948. The brand is synonymous with off-road capability and durability.

Model Evolution

Discovery Lineage:

The Discovery Series II (L318) was the second generation of the Land Rover Discovery, succeeding the original 'Disco I' (Discovery 1 - Type LD). It was introduced in 1998 and produced until 2004. The Series II was an evolution rather than a revolution, featuring a lengthened chassis, updated interior, and significant technological advancements, including the introduction of ACE and SLS.

Production

Production Years Series Ii:

1998-2004

Manufacturing Locations:

Solihull, West Midlands, England.

Parent Company During Production:

BMW (until 2000), then The Rover Group (under Ford ownership).

🏆 Awards & Recognition

Recognitions

Off Road Capability:

Consistently recognized for its robust off-road capabilities, often lauded in enthusiast publications for its ability to tackle challenging terrain.

Utility:

Praised for its versatility as a family vehicle and a serious expedition vehicle, suitable for towing and carrying significant loads.

Ratings

Vehicle Dynamics:

While its on-road dynamics were improved over its predecessor, especially with ACE, it was still primarily engineered for off-road performance, which meant a more compliant rather than sporty on-road ride.