Segment:
Compact Sedan/Wagon, often positioned as an affordable performance and rally-inspired vehicle
Key Selling Points:
Symmetrical All-Wheel Drive (AWD), boxer engine, rally heritage, practical design
Primary Competitors:
Mitsubishi Lancer, Honda Civic, Toyota Corolla, Ford Escort
AWD System:
Standard Symmetrical All-Wheel Drive providing enhanced traction and stability
Engine Layout:
Horizontally-opposed ('boxer') engine for lower center of gravity and balanced weight distribution
Body Styles:
Sedan (GC) and Wagon (GF)
Engine Mechanical:
Complete overhaul, diagnosis, repair procedures for EJ22, EJ25, EJ20 Turbo engines
Engine Performance:
Fuel injection system, ignition system, emissions control systems, turbocharger systems (where applicable)
Transmission Manual:
Overhaul, repair, diagnosis of 5-speed manual transmissions (e.g., TY754) including clutch system
Transmission Automatic:
Overhaul, repair, diagnosis of 4-speed automatic transmissions (e.g., 4EAT) including torque converter
Drivetrain:
All-Wheel Drive (AWD) system, differentials (front, rear, center), driveshafts, CV joints, wheel bearings
Suspension:
Front and rear suspension components, struts, springs, control arms, sway bars, alignment specifications
Brakes:
Front and rear brake systems (disc brakes), ABS system components, brake fluid specifications, hydraulic system repair
Steering:
Power steering system, steering rack, tie rods, steering column, alignment
Body:
Body panels, doors, hoods, trunk, glass, interior trim, body sealing, chassis repair
Electrical System:
Wiring diagrams, component locations, battery, charging system, starting system, lighting, horn, wipers
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair, refrigerant handling
Comfort Convenience:
Power windows, power locks, mirrors, seats, cruise control, remote keyless entry
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotations, spark plug replacement
Diagnostic Procedures:
Troubleshooting guides for common drivability issues, electrical faults, HVAC problems, engine codes
Repair Procedures:
Step-by-step instructions for component removal, replacement, and reinstallation across all major systems
Rebuild Procedures:
Detailed instructions for engine and transmission overhauls, including torque specifications and clearances
Torque Specifications:
Comprehensive list of all critical torque values for engine, chassis, and drivetrain components
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems, including component identification and pinouts
Special Tools:
Identification and usage of Subaru-specific or specialized tools required for certain repairs
Depth:
Factory-level detail for professional technicians and advanced DIY enthusiasts
Diagnostic Tools:
Information on using diagnostic trouble codes (DTCs) and basic OBD-I/OBD-II principles applicable to the era
Specification Detail:
Precise tolerances, clearances, fluid capacities, and electrical specifications
Engine Code Na:
EJ22 (2.2L SOHC) and EJ25 (2.5L DOHC)
Engine Code Turbo:
EJ20G/EJ205 (2.0L Turbocharged DOHC - WRX/STI variants, common in some markets)
Hp Ej22:
Approx. 135-137 hp @ 5600 rpm
Torque Ej22:
Approx. 135-138 lb-ft @ 4400 rpm
Hp Ej25:
Approx. 165 hp @ 5600 rpm (non-turbo)
Torque Ej25:
Approx. 166 lb-ft @ 4000 rpm (non-turbo)
Hp Ej20 Turbo:
Approx. 210-250 hp (market dependent for WRX/STI)
Torque Ej20 Turbo:
Approx. 200-250 lb-ft (market dependent for WRX/STI)
Fuel Delivery:
Electronic Fuel Injection (EFI) with multi-point injection (MPI)
Fuel Type:
Unleaded gasoline (87 octane minimum, higher recommended for turbo models)
Ignition System:
Distributorless ignition system (DIDS) or distributor with coil-on-plug on some models
Transmission Type Na:
5-speed Manual Transmission (TY754, TY755 variants)
Transmission Type Auto:
4-speed Automatic Transmission (4EAT)
AWD Coupling:
Center differential with viscous coupling (manual) or electronically controlled clutch pack (automatic)
Gear Ratios:
Specific gear ratios provided in manual for each transmission type and variant
Transmission Fluid Spec Manual:
API GL-5, SAE 75W-90 Gear Oil (Subaru Extra-S or equivalent recommended)
Transmission Fluid Spec Auto:
Subaru ATF HP (or compatible ATF as specified by Subaru)
Oil Change Interval:
Every 3,750 miles or 3 months (whichever comes first) under normal driving conditions; 1,875 miles or 3 months under severe driving conditions (refer to manual for exact definition of severe)
Air Filter Replacement:
Every 15,000 miles or 12 months
Spark Plug Replacement:
Every 30,000-60,000 miles depending on plug type (refer to manual)
Timing Belt Replacement:
Every 90,000 miles or 6-7 years (crucial for EJ engines)
Engine Oil Spec:
SAE 5W-30 or 10W-30 API SG/SH rated (check manual for specific temperature ranges)
Coolant Spec:
Subaru Super Coolant (blue) or equivalent ethylene glycol-based antifreeze with corrosion inhibitors
Brake Fluid Spec:
DOT 3 or DOT 4
Head Gaskets:
Premature head gasket failure, particularly on EJ25 DOHC engines, due to coolant leaks and potential internal damage
Oil Leaks:
Common oil leaks from front and rear main seals, valve cover gaskets
Engine Oil Consumption:
Some EJ25 engines can consume oil due to piston ring design
Suspension Wear:
Wear in ball joints, control arm bushings, and struts common with age and mileage
Catalytic Converter:
Failure due to age, oil burning, or coolant contamination
Transmission Mounts:
Degradation of rubber mounts leading to clunking under acceleration/deceleration
Subaru Focus:
Engineering excellence, AWD expertise, boxer engines, safety, durability
First Generation Introduction:
Introduced in 1992 (Japan), 1995 (North America), with significant updates for the 1997 model year (GC8/GF8 redesign)
Rally Heritage:
Foundation for World Rally Championship (WRC) success, particularly the WRX and STI variants
Manufacturing Location:
Japan (Gunma Prefecture)
Production Years First Gen:
1992-2000