🏷️ Basic Information

Make:

Subaru

Model:

Legacy / Liberty

Generation:

IV

Model Years Covered:

2004-Present

Chassis Codes:

BP (Wagon), BL (Sedan)

Engine Codes:

EJ20X (2.0L Twin-Scroll Turbo), EJ20Y (2.0L Twin-Scroll Turbo - STI Spec), EJ255 (2.5L Turbo)

👋 Introduction

Market Position:

Performance-oriented mid-size sedan and wagon, known for its turbocharged boxer engines and Symmetrical All-Wheel Drive system.

Competitive Analysis:

Competed with vehicles like the Mitsubishi Lancer Evolution, Mitsubishi Galant VR-4, Audi A4 Quattro, and certain BMW 3-Series models in its performance segment.

Key Features:

Turbocharged Boxer engines, Symmetrical All-Wheel Drive, comfortable ride, practical wagon variant, sporty GT trim.

📋 Manual Details

Coverage Areas:

Complete vehicle repair and service

Page Count:

Not Specified (Downloadable Digital Manual)

Manual Type:

Workshop Manual / Repair Manual / Service Manual

Language:

English

Format:

Digital Download

Delivery Method:

Instant download link provided after purchase.

📖 Manual Coverage

Engine:

Engine mechanical, lubrication, cooling, fuel, ignition, emission control, turbocharging systems

Transmission:

Manual and Automatic Transmission, clutch operation, torque converter, gearbox repair

Drivetrain:

All-Wheel Drive (AWD) system, differentials, driveshafts, axles

Suspension Steering:

Front and rear suspension, steering rack, power steering, alignment procedures

Brakes:

Hydraulic system, ABS, EBD, brake pads, rotors, calipers, parking brake

Electrical:

Wiring diagrams, starter, alternator, battery, lighting, power accessories, ECU troubleshooting

Body Chassis:

Body panels, doors, windows, interior trim, structural components, exhaust system

Climate Control:

HVAC system, air conditioning, heating, ventilation

Climate Control Detailed:

AC compressor, evaporator, condenser, refrigerant handling, heater core, blower motor, control modules.

Instrumentation Gauges:

Dashboard assembly, gauge cluster removal and repair, warning lights diagnosis.

Maintenance:

Oil changes, filter replacements, fluid checks, spark plug replacement, belt inspection/replacement

Troubleshooting:

Diagnostic flowcharts, common fault codes, symptom-based repair guidance

Repair:

Engine rebuild, transmission overhaul, brake caliper replacement, suspension component renewal

Diagnostics:

OBD-II diagnostics, sensor testing, ECU parameter checks

Specifications:

Torque values, clearances, fluid capacities, electrical resistance values

Bodywork Repair:

Panel replacement, dent repair, corrosion prevention, trim removal and installation.

Safety System Repair:

Airbag system inspection and replacement, seatbelt repair, ABS sensor replacement.

Wheel Tire Alignment:

Detailed procedures for checking and adjusting wheel alignment angles (camber, caster, toe).

Turbocharger Maintenance:

Inspection, service, and replacement of turbocharger unit and associated plumbing.

Technical Depth:

Comprehensive from basic maintenance to advanced engine and transmission rebuilds, including electrical system diagnostics.

Wiring Diagrams:

Comprehensive, color-coded wiring diagrams for all electrical circuits, including engine management, lighting, and accessories.

Diagnostic Trouble Codes:

Listing of OBD-II DTCs, their meanings, potential causes, and diagnostic steps.

📊 Manual Specifications

File Format:

PDF (typically, for digital downloads)

Print Quality:

High-resolution, suitable for printing individual pages or sections

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Searchability:

Searchable text content for quick information retrieval

Completeness:

Complete coverage of all systems and procedures for the specified vehicle generation and GT models.

⚙️ Engine Specifications

Engine Configuration:

Horizontally opposed ('Boxer'), turbocharged, intercooled

Displacement Ej20X Ej20Y:

2.0 Liters (1994 cc)

Displacement Ej255:

2.5 Liters (2457 cc)

Horsepower Ej20X Ej20Y:

Approx. 260-280 PS (191-206 kW; 256-276 hp) depending on market and tune

Horsepower Ej255:

Approx. 250 hp (184 kW; 253 PS)

Torque Ej20X Ej20Y:

Approx. 343-360 Nm (253-266 lb-ft)

Torque Ej255:

Approx. 338 Nm (250 lb-ft)

Fuel Delivery:

Sequential Multi-Point Fuel Injection (MPI) with Electronic Throttle Control (Drive-by-Wire)

Fuel Type:

Premium Unleaded Gasoline (91 RON or higher)

🔧 Transmission

Transmission Standard:

5-speed Manual Transmission (TY756 or similar)

Transmission Optional:

4-speed Automatic Transmission with Sportshift (4EAT or 5EAT for later models)

AWD System:

Subaru Symmetrical All-Wheel Drive with viscous coupling center differential (Manual) or electronically controlled transfer clutch (Automatic).

📐 Dimensions

Length Sedan:

Approx. 4670-4730 mm (183.9-186.2 in)

Length Wagon:

Approx. 4690-4750 mm (184.6-187.0 in)

Width:

Approx. 1730-1770 mm (68.1-69.7 in)

Height:

Approx. 1425-1445 mm (56.1-56.9 in)

Curb Weight:

Approx. 1450-1550 kg (3197-3417 lb)

🛡️ Safety Features

NHTSA Ratings:

Generally Good ratings in its class for the period, specific ratings vary by year and test protocol.

Active Features:

ABS, EBD (Electronic Brakeforce Distribution), Traction Control System (TCS), Vehicle Dynamics Control (VDC)

Passive Features:

Front airbags, Side airbags, Curtain airbags, 3-point seatbelts with pre-tensioners, Whiplash-protection front seats

💡 Technology Features

Infotainment Features:

Standard CD player with radio, optional premium audio systems (e.g., McIntosh), auxiliary input. Later models may feature navigation and Bluetooth integration.

Driver Assistance:

Limited compared to modern vehicles. Key features included ABS, TCS, and VDC for stability control.

Connectivity:

Basic connectivity, typically through auxiliary audio inputs. Later models might offer USB and Bluetooth for hands-free calling and audio streaming.

🔧 Maintenance

Oil Change Interval:

Every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions and oil type used.

Timing Belt Replacement:

For vehicles equipped with timing belts (earlier non-turbo models), typically at 105,000 miles (168,000 km). Turbocharged models like the GT typically use timing chains which are generally maintenance-free unless issues arise.

Spark Plug Replacement:

Typically around 60,000 miles (96,000 km), depending on plug type (e.g., Iridium).

Engine Oil:

API SG/SH/SJ/SL/SM/SN certified. Viscosity: 0W-30, 5W-30, or 5W-40 (refer to owner's manual for specific turbo requirements, often synthetic). Example: Castrol EDGE 0W-30, Mobil 1 0W-40.

Coolant:

Subaru Super Coolant (Blue) or equivalent long-life antifreeze/coolant. Mixing with conventional green coolant is not recommended. Capacity: Approx. 7.3 Liters (7.7 US Quarts).

Transmission Fluid Manual:

API GL-5, SAE 75W-90 synthetic gear oil. Example: Subaru Extra-S Gear Oil, Motul Gear 300 75W-90.

Transmission Fluid Automatic:

Subaru ATF HP (High Performance) or equivalent Dexron III/Mercon compatible fluid. Example: Idemitsu ATF HP, Valvoline DEXRON III/MERCON.

Differential Fluid:

API GL-5, SAE 75W-90 synthetic gear oil for front and rear differentials.

Known Issues:

Head gasket failures (less common on turbo EJ20/EJ25 compared to NA EJ25), turbocharger wear, clutch wear (manual transmission), piston ring issues in high-mileage EJ255 engines, oil leaks from various seals, differential issues if fluid maintenance is neglected.

📚 Vehicle History

Brand Heritage:

Subaru, a division of Subaru Corporation (formerly Fuji Heavy Industries), has a long history of producing reliable vehicles, particularly known for its boxer engines and all-wheel-drive technology.

Model Evolution Gen Iv:

The fourth generation (BP/BL) marked a significant redesign, offering a more refined driving experience, improved safety, and updated styling. The 'GT' designation typically refers to the turbocharged, performance-oriented models.

Production Locations:

Primarily manufactured in Japan.

🏆 Awards & Recognition

Recognitions:

Subaru consistently ranks high in customer satisfaction and reliability surveys from organizations like Consumer Reports and J.D. Power. The Legacy GT models are often lauded for their performance value in their segment.