1 0

    Subaru

    2004 Subaru Impreza WRX STI Factory Service Repair Manual

    2004 Subaru Impreza WRX STI Factory Service Repair Manual

    $17.99
    $17.99
    Rea SlutsÄld
    Frakt berÀknas i kassan.
    Vehicle data plateRef 319134
    Brand
    Subaru
    Vehicle
    Home and Garden
    Models covered
    Guns Firearms Weapons, Impreza, Sporting Goods, STI, WRX
    Years
    2004
    Format
    PDF, searchable, print-ready
    Delivery
    Instant download after checkout
    Language
    English

    What happens after you pay

    • Download link opens on the order page immediately
    • The same link is emailed to you — re-download any time
    • Open on phone, tablet or PC; print only the pages you need
    • Not sure it covers your model year? Ask us before you buy
    đŸ·ïž Basic Information
    Identification
    Make:
    Subaru
    Model:
    Impreza WRX STI
    Year:
    2004
    Codes
    Chassis Code:
    GDB-F
    👋 Introduction
    Market Position
    Vehicle Segment:
    Performance compact sedan/wagon
    Target Audience:
    Enthusiast drivers, rally racing fans, DIY mechanics
    Competitive Analysis
    Competitors:
    Mitsubishi Lancer Evolution, Ford Focus RS, Volkswagen Golf GTI/R32
    Key Features
    Performance Attributes:
    Symmetrical All-Wheel Drive, turbocharged Boxer engine, performance suspension tuning
    Manual Benefit:
    Enables owners and technicians to perform all necessary maintenance, diagnostics, and repairs accurately and efficiently.
    📋 Manual Details
    Coverage Areas
    Primary Coverage:
    All repair and service procedures
    Secondary Coverage:
    Diagnostic procedures, electrical system troubleshooting, mechanical repairs
    Page Count
    Estimated Page Count:
    Estimated 2000+ pages (typical for full factory service manuals of this era)
    Manual Type
    Manual Type:
    Factory Service Repair Manual
    Language
    Language:
    English
    Format
    File Format:
    PDF/ZIP
    📖 Manual Coverage
    Systems Covered
    Engine Mechanical:
    Engine assembly, disassembly, inspection, overhaul (EJ257 engine)
    Engine Management:
    Fuel injection, ignition system, emissions control, ECU diagnostics
    Drivetrain Transmission:
    Manual transmission (TY856WL3CA), clutch system, propeller shaft, differentials (front, center, rear)
    Chassis Suspension:
    Front and rear suspension systems, steering system, alignment specifications
    Chassis Brakes:
    Brake system components (Brembo front calipers), hydraulic lines, ABS operation
    Body Exterior:
    Body panel removal/installation, glass, seals, bumpers, trim
    Body Interior:
    Interior trim, seats, dashboard, HVAC system components
    Electrical System:
    Complete wiring diagrams, component locations, diagnostic procedures, lighting, power accessories
    Cooling System:
    Radiator, cooling fan, water pump, thermostat, coolant specifications
    Lubrication System:
    Oil pump, oil filter, oil pressure, lubrication specifications
    Exhaust System:
    Catalytic converter, mufflers, exhaust manifold
    Fuel System:
    Fuel pump, fuel injectors, fuel lines, fuel filter, fuel tank
    Air Intake System:
    Air filter, intercooler, turbocharger (TD04L-13T)
    Procedures Included
    Maintenance Procedures:
    Oil changes, filter replacements, spark plug replacement, fluid checks
    Troubleshooting Procedures:
    Diagnosis of common faults, fault code interpretation, wiring schematic analysis
    Repair Procedures:
    Engine rebuilds, transmission overhaul, suspension component replacement, brake caliper service
    Diagnostic Procedures:
    OBD-II diagnostics, sensor testing, actuator testing
    Installation Procedures:
    Component replacement, accessory installation (e.g., audio systems)
    Technical Depth
    Depth Level:
    Comprehensive factory-level detail suitable for professional technicians and experienced DIY enthusiasts
    Diagnostic Tools:
    Information on necessary diagnostic tools and equipment
    Torque Specifications:
    Detailed torque values for all fasteners
    Clearances Tolerances:
    Specifications for engine component clearances and other critical tolerances
    📊 Manual Specifications
    File Format
    Compatibility:
    WIN/MAC/LINUX
    Opening Requirements:
    Requires unzipper software (e.g., WinRAR)
    Print Quality
    Printability:
    PDF format is generally printable, quality depends on original source and printer capabilities
    Binding Type
    Binding Type:
    Digital (Instant Download)
    Paper Type
    Paper Type:
    N/A (Digital Format)
    ⚙ Engine Specifications
    Primary Engine
    Engine Code:
    EJ257
    Engine Type:
    2.5L DOHC 16-valve turbocharged flat-four Boxer engine
    Performance
    Horsepower:
    280 PS (276 hp) @ 6000 rpm (JDM spec, US spec slightly lower)
    Torque:
    392 Nm (289 lb-ft) @ 4000 rpm (JDM spec, US spec slightly lower)
    Fuel System
    Fuel Delivery:
    Sequential electronic fuel injection (SEFI)
    Forced Induction:
    Mitsuibishi TD04L-13T turbocharger with intercooler
    Ignition System
    Spark Plugs:
    NGK PFR7B (iridium type)
    🔧 Transmission
    Standard
    Transmission Type:
    6-speed manual transmission
    Transmission Model:
    TY856WL3CA
    Features
    Drivetrain:
    Symmetrical All-Wheel Drive (SAWD) with Driver Controlled Center Differential (DCCD)
    Differential Type:
    Helical LSD front, DCCD center, Viscous LSD rear
    📐 Dimensions
    Exterior
    Length:
    4,415 mm (173.8 in)
    Width:
    1,770 mm (69.7 in)
    Height:
    1,410 mm (55.5 in)
    Weights
    Curb Weight:
    Approx. 1,505 kg (3,318 lbs)
    đŸ›Ąïž Safety Features
    Ratings
    NHTSA Front Crash Rating:
    4/5 stars (for sedan body style, specific STI may vary)
    Active Features
    Active Safety:
    ABS, EBD, Symmetrical AWD, Driver Controlled Center Differential
    Passive Features
    Passive Safety:
    Front airbags, side airbags, front seatbelt pretensioners, crumple zones
    💡 Technology Features
    Infotainment
    Audio System:
    Factory radio/CD player, potentially with premium speaker option
    Driver Assistance
    Driver Assistance Features:
    Limited by modern standards; focus on AWD and mechanical grip
    Connectivity
    Connectivity Features:
    Basic; typically CD player and optional cassette
    🔧 Maintenance
    Service Intervals
    Oil Change Interval:
    Every 3,750 miles (6,000 km) or 6 months, whichever comes first, using high-quality synthetic oil
    Timing Belt Replacement:
    Not applicable (Uses a timing chain)
    Fluid Specifications
    Engine Oil Spec:
    SAE 5W-30, API SG/SH/SJ/SL, ACEA A2/A3 or equivalent (refer to manual for specific Subaru recommendations, often synthetic)
    Transmission Fluid Spec:
    API GL-4 SAE 75W-90 (manual transmission, check manual for specific Subaru fluid PN)
    Differential Fluid Spec:
    API GL-5 SAE 75W-90 (front and rear), API GL-5 SAE 75W-90 (center differential, check manual)
    Coolant Spec:
    Subaru Super Coolant (Blue) or equivalent ethylene glycol-based coolant
    Known Issues
    Engine Common Issues:
    Piston ring land failure (ringland failure), head gasket issues (less common than earlier generations), turbocharger wear
    Drivetrain Common Issues:
    Clutch wear, transmission synchro issues (especially 2nd and 3rd gears), DCCD actuator failure
    Suspension Common Issues:
    Worn control arm bushings, strut mounts
    📚 Vehicle History
    Brand Heritage
    Subaru Rally Heritage:
    Strong ties to World Rally Championship (WRC) success with Colin McRae and Richard Burns
    Model Evolution
    Generation:
    Second generation (GDB) facelift model
    Production
    Production Years:
    2000-2007 (This generation)
    🏆 Awards & Recognition
    Recognitions
    Automotive Journal Awards:
    Often praised by automotive publications for its performance and rally-bred capabilities. Specific awards for the 2004 model may include performance car of the year accolades.

    Delivery & file format

    This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

    Check the model year and engine before you buy

    Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

    Visa alla uppgifter
    • Instant download Link on the order page and in your inbox within a minute.
    • Secure checkout Encrypted Shopify payments — card, PayPal, Apple Pay, Google Pay.
    • Print-ready PDF Searchable text; print only the pages you take to the bench.
    • Coverage check Not sure it fits? Send the model and VIN before you buy.