Chassis Codes:
        
        
            BD2, BD3, BD4, BD5, BD9, BG2, BG3, BG4, BG5, BG9, BHC
        
     
    
        
            Engine Codes:
        
        
            EJ22, EJ25D, EJ251, EJ252, EJ20
        
     
 
    
    
    
        
            Vehicle Segment:
        
        
            Mid-size Crossover SUV / Station Wagon, known for its AWD capability and practical utility.
        
     
    
    
        
            Key Competitors:
        
        
            Toyota Camry/Scepter Wagon, Honda Accord Wagon, Mitsubishi Galant Wagon, Mazda 626 Wagon.
        
     
    
    
        
            All Wheel Drive:
        
        
            Standard Symmetrical All-Wheel Drive system provided superior traction and stability in varying weather conditions, a key differentiator.
        
     
    
        
            Practicality:
        
        
            Offered a raised ride height and versatile cargo space, making it a popular choice for families and outdoor enthusiasts.
        
     
    
        
            Safety Emphasis:
        
        
            Subaru's reputation for safety, with a focus on robust construction and Boxer engine design contributing to a low center of gravity.
        
     
 
    
    
    
        
            Engine:
        
        
            Detailed coverage of EJ22, EJ25D, EJ251, EJ252 naturally aspirated and turbocharged engines, including disassembly, assembly, diagnosis, and repair of all components.
        
     
    
        
            Transmission:
        
        
            Comprehensive coverage of 4-speed automatic (4EAT) and 5-speed manual transmissions, including removal, installation, internal component repair, and fluid specifications.
        
     
    
        
            Drivetrain:
        
        
            Detailed information on front-wheel drive and Subaru's legendary Symmetrical All-Wheel Drive system, including differential service, CV joints, driveshafts, and transfer case.
        
     
    
        
            Suspension:
        
        
            In-depth coverage of front and rear suspension systems, including struts, coil springs, control arms, bushings, sway bars, and alignment procedures.
        
     
    
        
            Brakes:
        
        
            Complete brake system diagnosis and repair, including front/rear disc brakes, ABS system components, hydraulic lines, master cylinder, and brake bleeding procedures.
        
     
    
        
            Steering:
        
        
            Power steering system service, including rack and pinion, power steering pump, hoses, and fluid specifications.
        
     
    
        
            Electrical:
        
        
            Extensive electrical system coverage, including wiring diagrams for all major systems, starter, alternator, battery, lighting, ignition system, and fuse/relay locations.
        
     
    
        
            Climate Control:
        
        
            Air conditioning and heating system diagnosis and repair, including refrigerant handling, compressor, evaporator, heater core, and blower motor.
        
     
    
        
            Body And Interior:
        
        
            Body panel removal/installation, door mechanisms, glass replacement, interior trim, seat removal, and basic body repair techniques.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, air filter service, and general inspection procedures.
        
     
    
        
            Troubleshooting:
        
        
            Detailed diagnostic flowcharts and symptom-based troubleshooting guides for engine performance, electrical faults, and mechanical issues.
        
     
    
        
            Major Repairs:
        
        
            Engine rebuild procedures, transmission overhaul, head gasket replacement, clutch replacement, and suspension component replacement.
        
     
    
        
            Component Replacement:
        
        
            Step-by-step instructions for replacing common wear items and major components such as fuel pumps, alternators, radiators, water pumps, and brake calipers.
        
     
    
        
            Specifications And Tolerances:
        
        
            Precise torque specifications for all fasteners, engine clearances, bearing preloads, and other critical dimensional data.
        
     
    
    
        
            Diagnostic Capabilities:
        
        
            Covers on-board diagnostics (OBD-I and early OBD-II), including reading trouble codes and interpreting sensor data.
        
     
    
        
            Repair Complexity:
        
        
            Suitable for both DIY enthusiasts with moderate mechanical skills and professional technicians, providing clear, concise instructions for all levels of repair.
        
     
    
        
            System Diagrams:
        
        
            Includes detailed schematics and diagrams for electrical systems, vacuum routing, and fluid pathways.
        
     
 
    
    
    
        
            Ej22E:
        
        
            2.2L SOHC EJ22E Boxer-4, naturally aspirated. Power: Approx. 110 hp @ 5000 rpm. Torque: Approx. 137 lb-ft @ 4000 rpm.
        
     
    
        
            Ej25D:
        
        
            2.5L DOHC EJ25D Boxer-4, naturally aspirated. Power: Approx. 165 hp @ 5600 rpm. Torque: Approx. 155 lb-ft @ 4000 rpm. (Later models).
        
     
    
    
        
            Compression Ratio:
        
        
            8.5:1 (EJ22E), 9.5:1 (EJ25D)
        
     
    
        
            Bore X Stroke:
        
        
            92.0 mm x 80.0 mm (EJ22E), 99.5 mm x 79.0 mm (EJ25D)
        
     
    
    
        
            Fuel Injection:
        
        
            Multi-point Fuel Injection (MPI)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline (87 octane recommended, 91 octane for turbo models if applicable)
        
     
 
    
    
    
        
            Transmission Options:
        
        
            5-speed manual transmission (standard on most trims) and 4-speed Electronically Controlled Automatic Transmission (4EAT, optional).
        
     
    
    
        
            AWD Coupling:
        
        
            Symmetrical All-Wheel Drive with viscous coupling center differential (manual) or electronically controlled clutch pack (automatic).
        
     
    
    
        
            Gear Ratios Manual:
        
        
            Specific gear ratios vary by model year and engine, typically ranging from ~3.45:1 in first gear to ~0.82:1 in fifth gear.
        
     
    
        
            Gear Ratios Automatic:
        
        
            Typically a 3.6:1 first gear, 2.0:1 second gear, 1.4:1 third gear, and 0.7:1 overdrive.
        
     
    
        
            Transmission Fluid:
        
        
            Manual: Subaru Extra-S Gear Oil API GL-5 75W-90. Automatic: Subaru ATF-HP (High Performance) or Dexron II/III equivalent.
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Approx. 104.3 inches (2649 mm)
        
     
    
        
            Length:
        
        
            Approx. 187.4 inches (4760 mm)
        
     
    
        
            Width:
        
        
            Approx. 69.1 inches (1755 mm)
        
     
    
        
            Height:
        
        
            Approx. 60.2 inches (1529 mm) (non-Outback), Approx. 62.0 inches (1575 mm) (Outback)
        
     
    
    
        
            Cargo Volume:
        
        
            Approx. 30.7 cu ft (with rear seats up), Approx. 68.6 cu ft (with rear seats folded).
        
     
    
    
        
            Curb Weight:
        
        
            Approx. 3,100 - 3,400 lbs (1406 - 1542 kg), varies by trim and drivetrain.
        
     
    
        
            Towing Capacity:
        
        
            Rated for up to 2,000 lbs (907 kg) when properly equipped with trailer brake.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Every 3,000 - 5,000 miles (4,800 - 8,000 km) or 6 months, depending on driving conditions (consult manual for specific recommendation).
        
     
    
        
            Engine Oil Filter:
        
        
            Replace with every oil change. Common part numbers: Subaru 15208AA031, Wix 51500.
        
     
    
        
            Air Filter:
        
        
            Inspect every 15,000 miles (24,000 km), replace as needed or every 30,000 miles (48,000 km). Common part numbers: Subaru 16546AA020, Wix 42315.
        
     
    
        
            Spark Plugs:
        
        
            Replace every 30,000 - 60,000 miles (48,000 - 96,000 km), depending on plug type. Use NGK platinum or iridium plugs.
        
     
    
        
            Timing Belt:
        
        
            Crucial: Replace every 60,000 - 90,000 miles (96,000 - 145,000 km) or 5-7 years. Includes idler pulleys and tensioner. Subaru part number for kit: 13069AA003 (check compatibility).
        
     
    
    
        
            Engine Oil:
        
        
            10W-30 or 5W-30 API SG, SH, or SJ rated. Capacity: 4.8 US quarts (4.5 L) with filter (EJ22E), 4.8 US quarts (4.5 L) with filter (EJ25D).
        
     
    
        
            Coolant:
        
        
            Subaru Super Coolant (blue) or a 50/50 mix of ethylene glycol-based antifreeze and distilled water. Capacity: Approx. 7.0 US quarts (6.6 L).
        
     
    
    
        
            Head Gaskets:
        
        
            A well-documented issue, particularly with the EJ25D engine, prone to coolant leaks. Early detection and repair are critical.
        
     
    
        
            Oil Leaks:
        
        
            Valve cover gaskets and oil pan gaskets can degrade over time, leading to minor to moderate oil leaks.
        
     
    
        
            Suspension Wear:
        
        
            Worn strut mounts, ball joints, and control arm bushings are common due to age and mileage.
        
     
 
    
    
    
        
            Subaru Core Values:
        
        
            Subaru's commitment to AWD, reliability, and safety innovation has been a hallmark since its inception.
        
     
    
    
        
            First Generation Outback:
        
        
            The Outback was introduced in 1995 as a variant of the Subaru Legacy, distinguished by its raised suspension, body cladding, and unique interior accents, creating the crossover SUV segment.
        
     
    
        
            Updates During Generation:
        
        
            Key updates included the introduction of the 2.5L DOHC EJ25D engine in 1996, offering increased power, and minor styling refreshes and feature additions throughout the years.
        
     
    
    
        
            Manufacturing Location:
        
        
            Japan (Gunma Prefecture)
        
     
    
        
            Production Years For This Generation:
        
        
            1990-1999 (Legacy), 1995-1999 (Outback variant)