Positioning:
The Land Rover Discovery 2 (L318) occupies a strong position in the premium mid-size SUV segment, known for its off-road capability and versatility. This manual caters to owners and independent repair shops seeking in-depth technical information to maintain and repair these vehicles.
Competitors:
Competed against vehicles like the Jeep Grand Cherokee, Mercedes-Benz M-Class (W163), BMW X5 (E53), and Toyota Land Cruiser Prado during its production run.
Manual Benefits:
Empowers owners with knowledge for DIY repairs, preventative maintenance, and understanding vehicle systems, ultimately saving time and money. Crucial for maintaining the specialized features of the Discovery 2, such as its advanced 4WD and optional ACE system.
Engine:
Detailed diagnostics, repair, and overhaul procedures for all engine variants (e.g., 4.0L V8, 4.6L V8, 2.5L TD5 diesel).
Transmission:
Service, repair, and overhaul for automatic (e.g., ZF 4HP22, ZF 5HP24) and manual transmissions.
Drivetrain:
Four-wheel drive system (permanent 4WD), transfer case, differentials, driveshafts, CV joints.
Suspension:
Front and rear suspension systems, including the ACE (Active Cornering Enhancement) system, coil springs, shock absorbers, control arms, Panhard rods.
Steering:
Power steering system, steering rack, steering column.
Brakes:
Front and rear brake systems (disc brakes), ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), brake pad/disc replacement, brake fluid service.
Electrical System:
Comprehensive wiring diagrams, component locations, troubleshooting for starting, charging, lighting, ignition, sensors, ECUs.
Bodywork:
Body panel repairs, door mechanisms, glass replacement, interior trim, body sealing.
Climate Control:
Air conditioning system service, compressor replacement, refrigerant handling, heater matrix.
Safety Systems:
SRS (Supplemental Restraint System) component replacement policy, airbag system precautions.
Exhaust System:
Covers exhaust manifold, catalytic converter, mufflers, and exhaust pipe replacement and repair for both petrol and diesel models.
Fuel System:
Fuel tank, fuel pump, fuel lines, injectors, and fuel filter replacement and servicing for petrol and diesel engines.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, lubrication.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault code interpretation.
Repair:
Step-by-step repair instructions for all major vehicle systems, component replacement, and adjustments.
Installation:
Guidance on installation of various components and accessories.
General Precautions:
Includes essential safety instructions, environmental precautions, and general fitting instructions applicable to all repair work.
Component Identification:
Details on ball and roller bearings, oil seals, screw threads, and bolt/nut identification for proper component selection and assembly.
Fluid Handling:
Specific instructions for fuel handling precautions and electrical precautions to ensure safe operation and repair.
Depth:
Expert-level technical detail covering everything from basic maintenance to complete engine and transmission rebuilds, including diagnostic procedures and specifications.
Diagnostic Tools:
Implies usage of diagnostic tools like the Land Rover TestBook (or equivalent OBD-II scanners) for system diagnostics, with detailed information on interpreting fault codes.
Crash Test Data:
Specific official crash test ratings from major agencies (e.g., NHTSA, Euro NCAP) may vary by year and region; the manual provides information on safety system design.
Active Safety:
ABS, EBD, ACE (Active Cornering Enhancement) – a hydraulic system reducing body roll, DTC (Dynamic Traction Control).
Passive Safety:
Front airbags, optional side airbags, three-point seatbelts with pretensioners, reinforced chassis structure.
Audio System:
Various audio systems, including radio/cassette, radio/CD players, with options for premium sound systems and amplifiers. Manual covers diagnostics and repair of these components.
ABS Ebd:
Anti-lock Braking System (ABS) and Electronic Brakeforce Distribution (EBD) are standard, enhancing braking performance and stability.
Traction Control:
Dynamic Traction Control (DTC) is often present, working in conjunction with ABS sensors to improve traction on slippery surfaces.
Remote Keyless Entry:
Remote central locking and keyless entry systems are covered for diagnostics and repair.
Ace System:
Active Cornering Enhancement (ACE) is a significant technological feature, a hydraulically controlled anti-roll bar system that dramatically reduces body roll during cornering. The manual provides detailed schematics and repair procedures for this system.
Haldex Coupling:
Later models or specific configurations might feature a center differential with a Haldex coupling, providing enhanced torque-biased all-wheel drive. Manual covers its service.
Oil Change Interval:
Petrol V8: Every 7,500 miles (12,000 km) or 12 months. TD5 Diesel: Every 6,000 miles (10,000 km) or 12 months. Manual provides specific guidance based on operating conditions.
Other Intervals:
Coolant: Every 2 years. Brake fluid: Every 2 years. Gearbox oil: Every 60,000 miles (96,000 km). Transfer box/differentials: Every 30,000 miles (48,000 km).
Engine Oil:
V8 Petrol: Castrol GTX 20W-50 or equivalent API SG/SH/SJ rated. TD5 Diesel: Castrol GTX DIESEL 15W-40 or equivalent API CF-4/CG-4 rated. Specific viscosity and API ratings are critical and detailed in the manual.
Coolant:
Paraflu UP or equivalent ethylene glycol-based coolant, mixed 50/50 with distilled water. Specific antifreeze/anti-corrosion properties are crucial.
Transmission Fluid Auto:
ZF 4HP22/5HP24: Esso LT 71141 or equivalent approved automatic transmission fluid (ATF).
Transmission Fluid Manual:
Specific manual transmission fluid (MTF) as per Land Rover specifications (e.g., SAE 75W-90 GL-4 or GL-5 depending on gearbox).
Common Problems:
Head gasket failure (V8 engines), rear main oil seal leaks, viscous fan coupling failure, TD5 engine injector seal leaks, ACE system hydraulic leaks, SLABS (Simultaneous শোষণ ABS) modulator issues, door lock actuator failures, rust on chassis and bodywork.
Diesel Specific Issues:
TD5 engine: Crankshaft position sensor failure, oil in engine harness connector, turbocharger issues, head gasket problems.
