Diagnostic Procedures:
Comprehensive diagnostic procedures for all major systems, including OBD-II troubleshooting.
Repair Procedures:
Detailed step-by-step repair instructions for engine, transmission, drivetrain, suspension, steering, brakes, HVAC, and electrical systems.
Maintenance Procedures:
Routine maintenance schedules and procedures for oil changes, fluid checks, filter replacements, and inspections.
Wiring Diagrams:
Full electrical system wiring diagrams for all circuits and components.
Technical Data Tables:
Extensive tables for specifications, torques, capacities, and diagnostic trouble codes (DTCs).
Body And Frame:
Body panel removal/installation, frame straightening data, and interior trim procedures.
Special Tools:
Identification and usage instructions for Subaru-specific special service tools.
Type:
Factory Service Manual (FSM)
Primary Purpose:
Vehicle Service and Repair
Engine Systems:
Engine mechanical, fuel injection (MPI), ignition system, lubrication, cooling, emissions control, turbocharger (if applicable).
Transmission Systems:
Manual transmission (5-speed, 6-speed), automatic transmission (4-speed), clutch system, transfer case, differential components.
Drivetrain Systems:
All-Wheel Drive (AWD) system, drive shafts, CV joints, propeller shafts, wheel hubs.
Suspension And Steering:
Front and rear suspension (struts, control arms, stabilizer bars), power steering system, steering column, wheel alignment specifications.
Braking Systems:
Front and rear disc brakes, ABS (Anti-lock Braking System), brake fluid, parking brake.
Electrical Systems:
Battery, charging system, starter motor, lighting, wipers, horn, power windows, central locking, instrument cluster, audio system, ECUs.
HVAC Systems:
Air conditioning, heating, ventilation, climate control.
Body And Interior:
Doors, hood, trunk, bumpers, fenders, interior trim panels, seats, airbags.
Engine Repair:
Engine overhaul, piston/ring replacement, cylinder head service, valve adjustment, timing belt/chain replacement, turbocharger rebuild.
Transmission Repair:
Manual and automatic transmission overhaul, clutch replacement, differential service, gear ratio changes.
Brake Service:
Brake pad/rotor replacement, caliper service, bleeding procedures, ABS component replacement.
Electrical Diagnostics:
Troubleshooting intermittent electrical faults, sensor testing, actuator testing, ECU diagnostics.
Suspension And Steering Repair:
Strut replacement, ball joint replacement, tie rod end replacement, power steering pump/rack service.
Troubleshooting Guides:
System-specific troubleshooting flowcharts for common drivability and performance issues.
Body Repair:
Panel alignment, door hinge adjustment, weatherstrip replacement, glass replacement.
Depth:
Complete factory-level repair and diagnostic information, suitable for professional technicians and advanced DIY enthusiasts.
Diagnostics:
In-depth diagnostic procedures, including sensor data interpretation, actuator testing, and ECU reprogramming guidance.
Rebuilds:
Detailed instructions for complete engine and transmission rebuilds, including part specifications and assembly clearances.
Engine Code Na:
EJ253 (2.5L SOHC NA)
Engine Code Turbo:
EJ205 (2.0L DOHC Turbo - WRX), EJ255 (2.5L DOHC Turbo - WRX), EJ257 (2.5L DOHC Turbo - STI)
Horsepower Na:
165 hp @ 5600 rpm (approximate, varies by market/spec)
Torque Na:
170 lb-ft @ 4000 rpm (approximate, varies by market/spec)
Horsepower Wrx:
227 hp @ 6000 rpm (EJ205/EJ255)
Torque Wrx:
217-235 lb-ft @ 4000 rpm (EJ205/EJ255)
Horsepower Sti:
300 hp @ 6000 rpm (EJ257)
Torque Sti:
300 lb-ft @ 4000 rpm (EJ257)
Injection Type:
Multi-Point Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline (91+ octane recommended for turbo models)
Layout:
Horizontally-Opposed ('Boxer')
Oil Change Interval:
Every 3,750 miles or 6 months (severe conditions), 7,500 miles or 12 months (normal conditions), consult manual for specifics.
Timing Belt Replace:
105,000 miles or 105 months for EJ253 (NA) models. Turbocharged models (EJ205/EJ255/EJ257) use a timing chain or belt; consult manual for specific engine. This manual covers belt replacement procedure.
Engine Oil Type:
SAE 5W-30 API SG or higher (NA), SAE 5W-30 API SG or higher (Turbo/STI, often synthetic recommended).
Coolant Type:
Subaru Super Coolant (Blue) or equivalent silicate-free, ethylene glycol-based coolant.
Transmission Fluid Mt:
SAE 75W-90 GL-5 gear oil (manual transmission).
Transmission Fluid At:
Subaru ATF-HP or equivalent.
Differential Fluid:
SAE 75W-90 GL-5 gear oil (front and rear differentials).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Head Gaskets:
Early EJ series engines (prior to certain internal revisions) were prone to head gasket leaks. Manual provides inspection and replacement procedures.
Oil Consumption:
Some turbocharged engines may exhibit higher oil consumption; proper monitoring is advised.
Clutch Wear:
Performance variants and aggressive driving can lead to premature clutch wear.
Turbo Failure:
Turbochargers can fail due to lubrication issues or excessive heat. Manual details inspection and replacement.