🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 1994 Codes Chassis Code General: GC/GF Platform: Subaru "GF" platform 👋 Introduction Market Position Initial Market: Compact economy car with rally-inspired performance credentials Target Audience: Individuals seeking reliable, all-wheel-drive transportation with sporty potential Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Mitsubishi Lancer Unique Selling Proposition: Standard Symmetrical All-Wheel Drive (AWD) system Key Features Drivetrain: Symmetrical All-Wheel Drive (AWD) Body Styles: Sedan (GC), Coupe (GM - less common in '94 US), Wagon (GF) Performance Orientation: Early adoption of turbocharged variants for performance models (e.g., WRX, though less common in base US '94 Impreza) 📋 Manual Details Coverage Areas Primary Coverage: North American Market Secondary Coverage: Global variants (mechanical similarity) Page Count Estimated Pages: 1000+ Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Printed Book (likely digitized) 📖 Manual Coverage Systems Covered Engine Mechanical: Yes (including EJ18, EJ22 variants) Engine Management: Yes (ECU, sensors, actuators) Fuel System: Yes (injectors, fuel pump, pressure regulator) Cooling System: Yes (radiator, thermostat, water pump) Exhaust System: Yes (catalytic converter, mufflers, emissions) Transmission Manual: Yes (clutch, gears, linkages) Transmission Automatic: Yes (torque converter, valve body, solenoids) Drivetrain AWD: Yes (center differential, driveshaft, rear differential) Suspension Front: Yes (struts, control arms, bushings) Suspension Rear: Yes (struts, trailing arms, bushings) Steering System: Yes (power steering pump, rack and pinion) Brake System: Yes (discs, pads, calipers, ABS diagnostics) Electrical System Lighting: Yes (headlights, taillights, interior) Electrical System Accessories: Yes (wipers, horn, power windows, locks) Body Exterior: Yes (panels, doors, glass, trim) Body Interior: Yes (seats, dashboard, trim) HVAC System: Yes (heating, ventilation, air conditioning) Procedures Included Routine Maintenance: Yes (oil changes, filter replacements, inspections) Major Repairs: Yes (engine overhauls, transmission rebuilds) Troubleshooting Diagnostics: Yes (fault codes, symptom-based diagnosis) Component Replacement: Yes (detailed step-by-step guides) Specifications Data: Yes (torque values, clearances, fluid types) Wiring Diagrams: Yes (comprehensive electrical schematics) Special Tools: Yes (identification of required Subaru-specific tools) Technical Depth Depth: Comprehensive Factory Level Diagnostics Complexity: Advanced (including electronic diagnostics) Rebuild Procedures: Complete (engine, transmission, differentials) 📊 Manual Specifications File Format Format Type: Physical Book Digitized Quality: High-Resolution Scans (if digital) Print Quality Paper Weight: Durable, shop-grade paper Illustration Clarity: High (diagrams, photos, line drawings) Binding Type Binding: Stitched and Glued (typical for factory manuals) Durability: Designed for workshop use Paper Type Paper Quality: Matte finish to reduce glare ⚙️ Engine Specifications Primary Engine Engine Code Common: EJ22 Engine Type: Naturally Aspirated Flat-Four (Boxer) Displacement Cc: 2164 Bore X Stroke Mm: 92.0 x 80.0 Compression Ratio: 9.5:1 Valvetrain: SOHC, 2 valves per cylinder (EJ22), DOHC, 4 valves per cylinder (EJ20 variants) Horsepower Hp: 110-135 hp (depending on specific US market variant) Torque Lb-Ft: 120-130 lb-ft (depending on specific US market variant) Performance Redline Rpm: 6000 RPM Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Octane Rating: 87 (minimum) 🔧 Transmission Standard Type: 5-Speed Manual Optional Type: 4-Speed Automatic Features AWD System: Symmetrical AWD with viscous coupling center differential Manual Fluid Type: API GL-5, SAE 75W-90 (manual transmission) Automatic Fluid Type: Subaru ATF HP (or equivalent Dexron II/III) 📐 Dimensions Exterior Length In: 169.1 (Sedan) Width In: 66.7 Height In: 55.1 (Sedan) Wheelbase In: 97.0 Track Front In: 57.3 Track Rear In: 57.1 Ground Clearance In: 6.1 Weights Curb Weight Lbs Est: 2700-2900 Gross Vehicle Weight Rating Gvwr Lbs: 3800-4000 Towing Capacity Lbs: 1000 (often limited by chassis and cooling) 🛡️ Safety Features Ratings NHTSA Front Impact: Not rated or 3-star (early model, limited testing protocols) IIHS Side Impact: Not rated Active Features ABS: Optional on many trims, standard on some higher trims AWD: Standard, provides enhanced traction and stability Passive Features Airbags: Driver-side airbag standard, passenger airbag optional Seatbelts: 3-point front and rear seatbelts Crumple Zones: Front and rear designed for energy absorption 💡 Technology Features Infotainment Head Unit: Basic AM/FM/Cassette stereo, optional CD player Speakers: 4 or 6 speaker configurations Driver Assistance Cruise Control: Available on most trims Anti Lock Brakes: Optional on many trims Connectivity Bluetooth: N/A (pre-dates widespread adoption) 🔧 Maintenance Service Intervals Oil Change Miles: 3,750 - 7,500 (depending on oil type and driving conditions) Oil Filter Replacement: At every oil change Engine Air Filter Replacement Miles: 15,000 - 30,000 Transmission Fluid Change Miles: 30,000 - 60,000 (depending on usage) Spark Plug Replacement Miles: 30,000 - 60,000 (depending on plug type) Coolant Flush Miles: 30,000 - 60,000 Fluid Specifications Engine Oil Type: API SG or SH, SAE 5W-30 (preferred), 10W-30 Engine Oil Capacity Qt: 4.4 (with filter) Coolant Type: Ethylene Glycol based coolant (50/50 mix with distilled water) Power Steering Fluid Type: Subaru Power Steering Fluid or Dexron II/III ATF Known Issues Head Gaskets: Less common on EJ22 than EJ25, but still a potential failure point over time Radiator: Plastic tanks can degrade and leak Clutch Wear: Normal wear item,...