Segment:
Compact Performance/Sport Compact
Competitors 2001:
Mitsubishi Lancer Evolution, Honda Civic Type R (EK9), Toyota Celica GT-Four
Drivetrain:
Symmetrical All-Wheel Drive (AWD) as standard across most Impreza variants
Engine Type:
Horizontally-opposed (Boxer) engines, known for low center of gravity and smooth operation
Performance Variants:
Impreza WRX and WRX STI offered enhanced performance with turbocharged engines and sport-tuned suspensions
Manual Value Proposition:
Essential for owners of JDM 2001 Impreza models, offering detailed factory-specific repair procedures and specifications not readily available in international manuals.
Primary Focus:
Mechanical, Electrical, Body, and Diagnostics
Specific Models Covered:
All JDM 2001 Subaru Impreza variants (e.g., WRX, STI, naturally aspirated models)
Estimated Page Count:
1500+
Type:
Factory Workshop Service Repair Manual
Language:
Japanese (Primary), potential for English sections or translations not guaranteed
Format:
Digital (likely PDF, potentially scanned)
Powertrain:
Engine mechanical, engine performance, fuel system, lubrication, cooling, exhaust, turbocharger systems
Transmission Drivetrain:
Manual transmission (5-speed/6-speed STI), automatic transmission, clutch, driveshafts, differentials, AWD system (VDC)
Suspension Steering:
Front suspension, rear suspension, steering system, power steering
Brakes:
Front disc brakes, rear disc brakes, ABS, parking brake
Electrical Electronics:
Battery, charging system, ignition system, lighting, instrumentation, ECUs, wiring diagrams, sensors, audio system
Body Chassis:
Body panels, interior trim, exterior trim, doors, windows, locks, HVAC system, safety restraints (airbags, seatbelts)
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication points
Diagnostics Troubleshooting:
Symptom-based diagnostics, DTC (Diagnostic Trouble Code) interpretation, electrical troubleshooting guides
Repair Overhaul:
Engine rebuilds, transmission overhaul, suspension component replacement, brake caliper servicing, electrical component replacement
Special Tools:
Identification and usage of specialized tools required for specific repairs
Depth:
Comprehensive (covering everything from basic maintenance to complete engine and transmission rebuilds)
Detail Level:
Factory level detail with step-by-step instructions and detailed illustrations/diagrams
Engine Type:
EJ-Series Flat-Four (Boxer), Naturally Aspirated and Turbocharged
Displacement Likely:
2.0 Liters (1994cc)
Horsepower Na:
Approx. 125-155 PS (Varies by specific naturally aspirated model)
Horsepower Turbo Wrx:
Approx. 250 PS (EJ205)
Horsepower Turbo Sti:
Approx. 280 PS (EJ207, often advertised as 'gentleman's agreement' power)
Torque Turbo Wrx:
Approx. 330 Nm (EJ205)
Torque Turbo Sti:
Approx. 350 Nm (EJ207)
Fuel Delivery:
Multi-point Fuel Injection (MPI), Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline (High Octane recommended for turbo models)
ECU Type:
Engine Control Unit (ECU) with specific JDM tuning parameters
Transmission Type Base:
5-speed Manual Transmission
Transmission Type Optional:
4-speed Automatic Transmission
Sti Transmission:
Close-ratio 6-speed Manual Transmission (STI models)
AWD System:
Subaru's Symmetrical All-Wheel Drive with Active Torque Split (ATS) or Driver's Control Center Differential (DCCD) on some STI models
Manual Transmission Fluid:
Refer to manual for specific GL-4 or GL-5 gear oil, common spec is 75W-90
Automatic Transmission Fluid:
Subaru ATF-HP or equivalent
Length:
Approx. 4,405-4,415 mm (Varies by body style, e.g., sedan vs. wagon)
Width:
Approx. 1,690-1,740 mm
Height:
Approx. 1,435-1,470 mm
Curb Weight:
Approx. 1,200 - 1,350 kg (Varies by model and equipment)
Wheelbase:
Approx. 2,515 mm
Wheel Bolt Pattern:
5x100 mm
Tire Sizes Common:
205/50R16, 215/40R17 (STI)
Jncsa Ratings:
Refer to JNCAP (Japan New Car Assessment Program) for specific ratings for the 2001 model year.
ABS:
Anti-lock Braking System (ABS) likely standard on higher trims and turbo models.
Vdc:
Vehicle Dynamics Control (VDC) may be available on certain models.
Airbags:
Driver and passenger front airbags standard.
Seatbelts:
Three-point seatbelts with pretensioners.
Oil Change Interval:
Typically 5,000-7,500 km or 6 months (whichever comes first), consult manual for specific JDM recommendations.
Timing Belt Replacement:
Recommended every 96,000 km or 7 years. Crucial for EJ engines.
Engine Oil Viscosity:
Commonly 5W-30 or 10W-30 for naturally aspirated; 5W-40 for turbo models. Refer to manual for precise JDM specs.
Coolant Type:
Subaru Super Coolant (Blue) or equivalent silicate-free, long-life coolant.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Ej Engine Ring Land Failure:
Common concern on high-mileage or heavily modified EJ205/EJ207 engines, especially if not properly maintained or driven hard without warm-up.
Head Gasket Leaks:
While less prevalent in this generation than some later Subaru models, it's still a potential issue to monitor.
Turbocharger Wear:
Oil starvation or poor maintenance can lead to premature turbo failure on WRX/STI models.
Clutch Wear:
Subject to wear based on driving style, especially in performance variants.
Subaru Specialty:
Subaru is renowned for its horizontally-opposed engines and its pioneering use of Symmetrical All-Wheel Drive in passenger cars.
Gc8 Platform:
The 2001 Impreza belongs to the GC8/GF8 generation (first generation), known for its rally heritage.
Jdm Differences:
JDM models often featured unique engine tunes (e.g., EJ207 with AVCS), drivetrain configurations, and styling elements compared to export markets.
Production Period:
1992-2000 for the earlier GC8 phase, with the 2001 model year being a transition or late production run of this generation, often incorporating minor updates before the next generation (GD platform).
Rally Heritage:
The Impreza WRX STI platform is a legend in World Rally Championship (WRC) history, securing numerous manufacturer and driver titles.
Performance Car Acclaim:
The GC8 chassis, particularly in STI guise, is widely regarded as a benchmark for affordable, accessible performance and AWD capability.
