1998-2003 Subaru Liberty Workshop Service Repair Manual
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🏷️ Basic Information Identification Make: Subaru Model: Liberty Generation: BH/BG Model Years Covered: 1998-2003 Market Designation: Australia, New Zealand, and other right-hand drive markets (known as Legacy in left-hand drive markets) 👋 Introduction Market Position Segment: Mid-size family sedan/wagon, known for its All-Wheel Drive (AWD) system and practicality. Usp: Symmetrical All-Wheel Drive system as standard, boxer engine layout contributing to a low center of gravity, robust build quality. Competitive Analysis Key Competitors: Toyota Camry, Holden Commodore, Ford Falcon, Mitsubishi Magna, Mazda 626/Mazda Atenza (Mazda 6). Key Features Drivetrain: Standard Symmetrical All-Wheel Drive (AWD) system, offering superior traction and stability. Engine Layout: Horizontally opposed 'boxer' engines, contributing to a lower center of gravity and improved handling. Body Styles: Offered in sedan and station wagon (Liberty Outback for higher ground clearance variant) body styles. Manual Value Proposition Target User: DIY enthusiasts, independent mechanics, and Subaru owners seeking detailed repair and maintenance information. 📋 Manual Details Coverage Areas Engine Systems: 2.0L EJ20, 2.5L EJ25 SOHC and DOHC naturally aspirated and turbocharged variants Transmission Systems: 5-speed Manual, 4-speed Automatic Chassis Systems: Suspension (front & rear), Steering, Brakes (front disc, rear disc/drum), Wheels & Tires Electrical Systems: ECU, Engine Control, Ignition, Fuel Injection, Lighting, Instruments, Audio, HVAC, Power Windows, Central Locking, SRS Airbag System Body And Interior: Body panels, Doors, Bumpers, Seats, Trim, HVAC components Technical Information: Specifications, Diagrams, Troubleshooting charts, Torque values, Component identification Page Count Estimated Page Count: Over 1500 pages (estimated, typical for comprehensive factory manuals of this era) Manual Type Type: Factory Workshop Service Repair Manual Language Language: English Format Format: Digital (likely PDF, though older print formats are possible) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, Cylinder heads, Pistons, Crankshaft, Camshafts, Timing belts/chains, Cooling system, Lubrication system Engine Management: Fuel injection systems (MPI), Ignition systems, Emission control systems (EVAP, EGR), Sensor testing and replacement, ECU diagnostics Transmission Drivetrain: Clutch operation, Gearbox overhaul (manual), Automatic transmission service and repair, Differentials, Driveshafts, AWD system Braking System: Brake hydraulics, ABS system (if equipped), Disc brake service, Drum brake service, Parking brake Suspension Steering: Front MacPherson struts, Rear multi-link suspension, Power steering system, Steering rack and pump Electrical Components: Wiring diagrams, Fuses and relays, Starter motor, Alternator, Battery, Lighting systems, Wiper/washer system Procedures Included Diagnostic Procedures: On-board diagnostics (OBD-I/OBD-II depending on specific variant), DTC reading and clearing, Symptom-based troubleshooting guides Repair Procedures: Component removal and installation, Overhaul instructions for major components, Body panel repair, Interior trim replacement Maintenance Procedures: Oil changes, Filter replacements, Spark plug service, Fluid level checks and top-ups, Belt inspections and replacement Special Tools: Identification and usage of specialized Subaru tools required for specific repairs Technical Depth Depth: Comprehensive; covers basic maintenance, routine servicing, component repair, diagnostics, and complete engine/transmission rebuilds. 📊 Manual Specifications File Format Format: PDF (most likely), High-resolution scans for clarity Searchability: Likely text-searchable PDF for quick information retrieval Print Quality Quality: Designed for clarity with detailed illustrations and diagrams, ensuring easy following of instructions. Binding Type Binding: N/A (for digital format), but original print manuals typically had sturdy bound formats. Paper Type Paper: N/A (for digital format), original manuals used durable paper stock suitable for workshop environments. ⚙️ Engine Specifications Primary Engine Engine Code 1: EJ20 Engine Displacement 1: 2.0 Liters (1994 cc) Engine Configuration 1: Flat-4 (Horizontally opposed Boxer), DOHC or SOHC Horsepower Range 1: Approx. 125 hp (SOHC) to 165 hp (DOHC Naturally Aspirated) Torque Range 1: Approx. 176 Nm (SOHC) to 191 Nm (DOHC Naturally Aspirated) Turbocharged Variant 1: GT/GT-B variants featured turbocharged EJ20 engines (e.g., EJ205/EJ20G) with higher power outputs (190-250 hp). Engine Code 2: EJ25 Engine Displacement 2: 2.5 Liters (2457 cc) Engine Configuration 2: Flat-4 (Horizontally opposed Boxer), SOHC Horsepower Range 2: Approx. 165 hp Torque Range 2: Approx. 225 Nm Performance Engine Position: Front, longitudinally mounted Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded Petrol (Octane rating dependent on market and specific engine tune) Emissions Control: Catalytic converter, Oxygen sensors, EGR system, EVAP system 🔧 Transmission Standard Transmission Type Standard: 5-speed Manual Optional Transmission Type Optional: 4-speed Automatic (with overdrive) Features Drivetrain Coupling: Symmetrical All-Wheel Drive (AWD) system standard on most variants, with viscous coupling center differential for manual and electronically controlled clutch for automatic. Gear Ratios: Specific gear ratios for each transmission and engine combination are detailed in the manual. Transmission Fluid Type Manual: API GL-5 SAE 75W-90 Gear Oil (manual transmission) Transmission Fluid Type Auto: Subaru ATF-HP or equivalent (automatic transmission) 📐 Dimensions Exterior Body Styles: 4-door Sedan, 5-door Station Wagon Wheelbase: Approx. 2650 mm (104.3 inches) Length: Sedan: Approx. 4720 mm (185.8 inches), Wagon: Approx. 4755 mm (187.2 inches) Width: Approx. 1770 mm (69.7 inches) Height: Sedan: Approx. 1435 mm (56.5 inches), Wagon: Approx. 1485 mm (58.5 inches) Ground Clearance: Standard: Approx. 150 mm (5.9 inches), Outback variants higher. Weights Curb Weight:...
PDF (most likely), High-resolution scans for clarity
Searchability:
Likely text-searchable PDF for quick information retrieval
Print Quality
Quality:
Designed for clarity with detailed illustrations and diagrams, ensuring easy following of instructions.
Binding Type
Binding:
N/A (for digital format), but original print manuals typically had sturdy bound formats.
Paper Type
Paper:
N/A (for digital format), original manuals used durable paper stock suitable for workshop environments.
⚙️ Engine Specifications
Primary Engine
Engine Code 1:
EJ20
Engine Displacement 1:
2.0 Liters (1994 cc)
Engine Configuration 1:
Flat-4 (Horizontally opposed Boxer), DOHC or SOHC
Horsepower Range 1:
Approx. 125 hp (SOHC) to 165 hp (DOHC Naturally Aspirated)
Torque Range 1:
Approx. 176 Nm (SOHC) to 191 Nm (DOHC Naturally Aspirated)
Turbocharged Variant 1:
GT/GT-B variants featured turbocharged EJ20 engines (e.g., EJ205/EJ20G) with higher power outputs (190-250 hp).
Engine Code 2:
EJ25
Engine Displacement 2:
2.5 Liters (2457 cc)
Engine Configuration 2:
Flat-4 (Horizontally opposed Boxer), SOHC
Horsepower Range 2:
Approx. 165 hp
Torque Range 2:
Approx. 225 Nm
Performance
Engine Position:
Front, longitudinally mounted
Fuel System
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded Petrol (Octane rating dependent on market and specific engine tune)
Emissions Control:
Catalytic converter, Oxygen sensors, EGR system, EVAP system
🔧 Transmission
Standard
Transmission Type Standard:
5-speed Manual
Optional
Transmission Type Optional:
4-speed Automatic (with overdrive)
Features
Drivetrain Coupling:
Symmetrical All-Wheel Drive (AWD) system standard on most variants, with viscous coupling center differential for manual and electronically controlled clutch for automatic.
Gear Ratios:
Specific gear ratios for each transmission and engine combination are detailed in the manual.
Transmission Fluid Type Manual:
API GL-5 SAE 75W-90 Gear Oil (manual transmission)
Transmission Fluid Type Auto:
Subaru ATF-HP or equivalent (automatic transmission)
📐 Dimensions
Exterior
Body Styles:
4-door Sedan, 5-door Station Wagon
Wheelbase:
Approx. 2650 mm (104.3 inches)
Length:
Sedan: Approx. 4720 mm (185.8 inches), Wagon: Approx. 4755 mm (187.2 inches)
Width:
Approx. 1770 mm (69.7 inches)
Height:
Sedan: Approx. 1435 mm (56.5 inches), Wagon: Approx. 1485 mm (58.5 inches)
Ground Clearance:
Standard: Approx. 150 mm (5.9 inches), Outback variants higher.
Weights
Curb Weight:
Approx. 1350 kg - 1550 kg (depending on engine, transmission, and body style)
Gross Vehicle Weight Rating:
Varies by model, specified in vehicle documentation.
Cargo
Trunk Volume Sedan:
Approx. 440 liters (15.5 cubic feet)
Cargo Volume Wagon:
Approx. 460 liters (16.2 cubic feet) with rear seats up, expandable to over 1500 liters with seats folded.
🛡️ Safety Features
Ratings
Crash Test Ratings:
Vehicle safety ratings from this era vary by region and testing authority. Specific ratings for Australian NCAP or equivalent are not readily available but generally performed well for their time.
Active Features
AWD:
Standard Symmetrical All-Wheel Drive (AWD) for enhanced traction and stability in various conditions.
ABS:
Anti-lock Braking System (ABS) available on many models, standard on higher trims.
Traction Control:
Traction control systems were optional or standard on certain higher-performance or later models.
Passive Features
Airbags:
Driver and front passenger airbags standard. Side airbags were optional on some later models.
Seatbelts:
Three-point seatbelts with pretensioners for front occupants.
Crumple Zones:
Reinforced safety cage and engineered crumple zones for improved impact absorption.
💡 Technology Features
Infotainment
Audio System:
Factory-installed AM/FM/CD players, often with cassette tape decks. Speaker configurations varied by trim level. Manual covers removal, installation, and basic wiring.
Driver Assistance
Cruise Control:
Electronic cruise control system standard on most models.
Instrument Cluster:
Includes tachometer, speedometer, fuel gauge, temperature gauge, and warning lights. Manual provides diagnostic information for gauge failures.
Connectivity
Power Features:
Power windows, power door locks, power mirrors standard or optional depending on trim. Manual details operation and troubleshooting.
Climate Control
HVAC System:
Manual or automatic climate control systems. Manual covers component replacement (blower motor, heater core, A/C compressor) and refrigerant handling procedures.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 5,000 km or 6 months, whichever comes first, or 10,000 km/12 months with synthetic oil (refer to manual for exact recommendations).
Air Filter Replacement:
Recommended every 15,000-30,000 km or as needed based on driving conditions.
Spark Plug Replacement:
Platinum or Iridium spark plugs typically last longer, e.g., 90,000-100,000 km. Refer to manual for specific plug type and interval.
Timing Belt Replacement:
Crucial for non-interference EJ engines (though some interference versions exist). Typically 100,000 km or 5 years. The manual details specific replacement procedures and related components (tensioners, idlers).
Coolant Replacement:
Typically every 30,000-50,000 km or 2-3 years. Subaru Super Coolant (blue) or equivalent is recommended.
Fluid Specifications
Engine Oil Viscosity:
0W-20, 5W-30, or 10W-30 (depending on climate and engine variant, refer to manual for exact specs).
Engine Oil Capacity:
Approx. 4.5-5.0 liters (4.7-5.3 US quarts) for EJ25, slightly less for EJ20.
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid:
Subaru specific power steering fluid or Dexron III ATF
Known Issues
Head Gaskets:
While less prevalent on this generation compared to earlier EJ25s, some instances of head gasket failure can occur. Manual covers inspection and replacement.
Timing Belt Wear:
Importance of timely timing belt replacement due to potential for engine damage if it breaks. Manual details correct tensioner and idler pulley replacement as well.
Automatic Transmission Behavior:
Some reports of delayed engagement or harsher shifts can be addressed through fluid changes and diagnostic checks outlined in the manual.
Suspension Bushings:
Wear and tear on suspension bushings can lead to noise and reduced handling. Manual provides part numbers and replacement procedures.
📚 Vehicle History
Brand Heritage
Brand Focus:
Subaru, a division of Subaru Corporation (formerly Fuji Heavy Industries), is known for its distinctive boxer engines and Symmetrical All-Wheel Drive systems, often associated with ruggedness and outdoor lifestyles.
Model Evolution
Generation Designation:
BH/BG generation, succeeding the BG/BK generation (1993-1998) and preceding the BP/BL generation (2003-2009).
Design Changes:
This generation saw a significant redesign with more rounded styling, improved aerodynamics, and a refined interior compared to its predecessor. Introduction of the more upscale Outback variant.
Key Variants:
Liberty, Liberty Outback (raised suspension, body cladding), GT and GT-B (turbocharged performance variants).
Production
Production Years:
1998-2003
Manufacturing Locations:
Primarily manufactured in Japan (Gunma Prefecture).
🏆 Awards & Recognition
Recognitions
Market Awards:
The Subaru Liberty (Legacy) consistently received praise for its AWD system, handling, and practicality. Specific awards for this generation include 'Australia's Best Car' in its class from various publications in its launch year.
Ratings
Consumer Reviews:
Generally well-regarded for reliability and capability, particularly in adverse weather conditions, though maintenance can be more involved than some front-wheel-drive competitors.
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