The Subaru Forester, specifically the SF chassis models produced for the 2003 and 2004 model years, is a compact SUV celebrated for its standard Symmetrical All-Wheel Drive system and practical, go-anywhere capability. Built with Subaru's reputation for engineering quality and reliability, this vehicle offers a versatile platform for various driving needs, from daily commuting to adventurous outings. Its design emphasizes good ground clearance and a practical interior, making it a compelling choice for those seeking dependable all-weather transportation and a connection to the outdoors, differentiating itself from contemporaries with its robust drivetrain and horizontally-opposed 'boxer' engine configurations. This comprehensive service and repair manual provides detailed information for the maintenance, diagnostics, and repair of your Subaru Forester. Covering a wide array of systems including engine mechanicals, transmissions, brakes, suspension, steering, and electrical components, this guide offers step-by-step procedures, wiring diagrams, and troubleshooting guidance. It is an essential resource for owners, mechanics, and technicians aiming to preserve the performance, safety, and longevity of their 2003-2004 Subaru Forester through accurate and thorough technical information. 🏷️ Basic Information Identification Make: Subaru Model: Forester Model Years Covered: 2003, 2004 Codes Chassis Code: SF Body Style: Compact SUV / Crossover 👋 Introduction Market Position Positioning: The Subaru Forester is a compact crossover SUV renowned for its standard Symmetrical All-Wheel Drive system, practicality, and go-anywhere capability, appealing to outdoor enthusiasts and those seeking reliable all-weather transportation. Competitive Analysis Competitors: Competes with vehicles like the Toyota RAV4, Honda CR-V, Nissan Xterra, and Ford Escape of the same era, differentiating itself through its AWD system and Subaru's reputation for durability. Key Features Distinguishing Features: Standard Symmetrical All-Wheel Drive, horizontally-opposed 'boxer' engines, good ground clearance, practical interior space, excellent visibility. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Wiring Diagrams, Component Overhaul Page Count Estimated Page Count: Approximately 2000+ pages (typical for OEM service manuals of this era) Manual Type Type: Factory Service Manual (FSM) / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine mechanical, fuel system, ignition system, emission control systems, cooling system, lubrication system, engine management, turbocharging (if applicable) Transmission: Manual transmission, automatic transmission (including AWD system integration), clutch system, driveline components Brakes: Hydraulic system, ABS, brake component overhaul, parking brake Suspension Steering: Front and rear suspension, steering system, power steering, wheel alignment specifications Electrical: Battery, charging system, starting system, lighting, instrument cluster, body electrical, infotainment, power accessories, multiplex communication systems, detailed wiring diagrams Body: Body construction, exterior panels, interior trim, doors, windows, seats, climate control system, HVAC Diagnostics: Diagnostic trouble codes (DTCs), troubleshooting procedures, symptom-based diagnostics, scan tool usage Procedures Included Maintenance: Recommended service intervals, fluid changes, filter replacements, tune-ups, lubrication Repair: Engine component replacement, transmission overhaul, brake service, suspension repair, electrical component diagnosis and replacement, body panel repair Troubleshooting: System-specific troubleshooting guides, common fault isolation Special Tools: Identification and usage of Subaru-specific special tools Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and wiring schematics. 📊 Manual Specifications File Format File Format: PDF Print Quality: High-resolution, clear text and diagrams, suitable for printing. Searchability: Searchable text for quick information retrieval. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code And Type: EJ253 (Naturally Aspirated), EJ255 (Turbocharged - XT models) Displacement: 2.5 Liters (2457 cc) Performance Horsepower Na: Approximately 165-170 hp @ 5600-5800 rpm (EJ253) Torque Na: Approximately 166-170 lb-ft @ 3600-4000 rpm (EJ253) Horsepower Turbo: Approximately 210-230 hp @ 5600 rpm (EJ255 - XT models) Torque Turbo: Approximately 235-250 lb-ft @ 3600 rpm (EJ255 - XT models) Fuel System Induction: Sequential multi-port fuel injection (MPI) Fuel Type: Unleaded gasoline (87 octane recommended for NA, 91 octane recommended for Turbocharged XT models) 🔧 Transmission Standard Transmission Type Na: 5-Speed Manual Optional Transmission Type Auto: 4-Speed Automatic (with Sportshift on some models) Features AWD System: Symmetrical All-Wheel Drive with viscous coupling center differential (manual) or electronically controlled multi-plate transfer clutch (automatic) Fluid Specifications Automatic Transmission Fluid: Subaru ATF-HP (or equivalent Dexron III/Mercon) Manual Transmission Fluid: Subaru 75W-90 GL-5 Gear Oil 📐 Dimensions Exterior Length: Approximately 175.0 inches Width: Approximately 69.7 inches Height: Approximately 63.0 inches Wheelbase: Approximately 101.4 inches Ground Clearance: Approximately 7.5 inches Cargo Cargo Volume Seats Up: Approximately 30.3 cubic feet Cargo Volume Seats Down: Approximately 63.0 cubic feet Weights Curb Weight: Approximately 3,100 - 3,300 lbs (depending on configuration) Towing Capacity: Approximately 2,400 lbs (with proper towing equipment) 🛡️ Safety Features Ratings NHTSA Frontal Driver: 5-Star (2003 Models) NHTSA Frontal Passenger: 5-Star (2003 Models) IIHS Frontal Offset: Good (Top Safety Pick for 2003 Models) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available Traction Control System (TCS) Electronic Stability Control: Available Subaru Vehicle Dynamics Control (VDC)...