🏷️ Basic Information Identification Make: Subaru Model: Legacy Year: 2003 Codes Chassis Codes: BP (Wagon), BL (Sedan) 👋 Introduction Market Position Segment: Mid-size sedan and wagon. Target Audience: DIY enthusiasts, independent repair shops, professional mechanics. Competitive Analysis Competitors: Toyota Camry, Honda Accord, Mazda Mazda6, Nissan Altima. Key Features Standard AWD: Subaru's signature Symmetrical All-Wheel Drive system offered on most variants. Engine Options: Horizontally opposed ('boxer') engines for a lower center of gravity. Body Styles: Available in both sedan (BL) and wagon (BP) body styles. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive factory service and repair for all systems of the 2003 Subaru Legacy. Page Count Estimated Page Count: ~2000+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital (PDF, likely) 📖 Manual Coverage Systems Covered Engine: 2.5L Naturally Aspirated EJ25, 2.5L Turbocharged EJ255 (GT models) Transmission: 4-Speed Automatic (4EAT), 5-Speed Manual Drivetrain: Symmetrical All-Wheel Drive (AWD) system, differentials, axles, driveshafts. Suspension: Front MacPherson struts, Rear multi-link independent suspension, sway bars, bushings. Brakes: Front ventilated discs, Rear solid discs (standard), ABS system. Steering: Hydraulic power steering system. Fuel System: Fuel injection, fuel pump, injectors, fuel lines, fuel tank. Cooling System: Radiator, thermostat, water pump, coolant hoses, fan system. Exhaust System: Catalytic converter, mufflers, exhaust pipes, oxygen sensors. Electrical System: Battery, alternator, starter, ignition system, lighting, wiring diagrams, fuses, relays. Climate Control: HVAC system, A/C compressor, refrigerant, heater core, blower motor. Body And Interior: Exterior lighting, interior lighting, power accessories (windows, locks, mirrors). Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement. Diagnostics: Troubleshooting guides, symptom-based diagnostics, OBD-II diagnostic codes, specific system diagnostics. Repair: Engine mechanical repair, transmission overhaul, brake system repair, suspension component replacement, electrical component repair. Adjustments: Wheel alignment procedures, parking brake adjustment, throttle cable adjustment. Disassembly Assembly: Step-by-step instructions for removing and installing major components and sub-assemblies. Technical Depth Depth: In-depth technical specifications, repair procedures, diagnostic information, torque values, tolerances, and wiring diagrams. 📊 Manual Specifications File Format Searchable Text: Likely Yes (for PDF format), allowing for quick information retrieval. Print Quality Illustration Quality: High-quality, clear diagrams and illustrations. Binding Type Binding: N/A (Digital format) Paper Type Paper Quality: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Code 1: EJ253 (2.5i, 2.5i AWD) Displacement 1: 2.5 Liters (2498 cc) Configuration 1: Naturally Aspirated, Horizontally Opposed 4-Cylinder (Boxer) Horsepower 1: 165 hp @ 5600 rpm Torque 1: 166 lb-ft @ 4000 rpm Fuel System 1: Sequential Multi-port Fuel Injection (MPI) Optional Engine Engine Code 2: EJ255 (GT, GT Limited) Displacement 2: 2.5 Liters (2457 cc) Configuration 2: Turbocharged, Horizontally Opposed 4-Cylinder (Boxer) Horsepower 2: 210 hp @ 5600 rpm Torque 2: 235 lb-ft @ 3600 rpm Fuel System 2: Sequential Multi-port Fuel Injection (MPI) with Turbocharger Engine Management ECU: Engine Control Unit (ECU) with diagnostic capabilities. Emissions: California Emission Standards (LEV), Federal Emission Standards (ULEV/PZEV). 🔧 Transmission Standard Transmission Type: 5-Speed Manual Transmission (Part-time AWD on some models, Full-time AWD on others). Optional Transmission Type: 4-Speed Automatic Transmission with Electronic Control (4EAT) and Subaru's All-Wheel Drive System (Active AWD). Features AWD System: Symmetrical All-Wheel Drive with viscous coupling center differential (manual) or electronically controlled multi-plate transfer clutch (automatic). 📐 Dimensions Exterior Sedan Length: 187.2 inches Width: 69.7 inches Height: 56.1 inches Wheelbase: 104.0 inches Exterior Wagon Length: 189.0 inches Width: 69.7 inches Height: 57.5 inches Wheelbase: 104.0 inches Weights Curb Weight Base: Approx. 3200 lbs (depending on trim and transmission) Gross Vehicle Weight Rating: Approx. 4500 lbs Towing Capacity: 1000 lbs (check owner's manual for specific limitations) Wheels And Tires Standard Wheel Size: 16-inch alloy wheels Optional Wheel Size: 17-inch alloy wheels (GT models) Standard Tire Size: 205/55R16 Optional Tire Size: 215/45R17 (GT models) Bolt Pattern: 5x100mm 🛡️ Safety Features Ratings NHTSA Front Impact: 4-star driver, 4-star passenger IIHS Side Impact: Good Active Features ABS: Anti-lock Braking System (ABS) standard. Traction Control: Traction Control System (TCS) available on some models. Electronic Stability: Vehicle Stability Control (VSC) available on some models. Passive Features Airbags: Front dual-stage airbags, front side-impact airbags (optional). Seatbelts: Pretensioner seatbelts with force limiters. Child Anchors: LATCH (Lower Anchors and Tethers for CHildren) system. 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD player with 4 or 6 speakers. Optional premium audio with subwoofer. Navigation: Optional factory navigation system. Driver Assistance Cruise Control: Standard cruise control. Connectivity Auxiliary Input: Not typically equipped from the factory; aftermarket solutions available. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 6 months (whichever comes first) under normal driving conditions; consult manual for severe conditions. Air Filter Replacement: Every 15,000 miles or 12 months. Spark Plug Replacement: Platinum-tipped: 100,000 miles. Iridium-tipped: 105,000 miles (check specific engine and plug type). Coolant Flush: Initial: 30,000 miles or 24 months. Subsequent: 15,000 miles or 12 months. Transmission Fluid Change: Automatic: 30,000...