🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2001 Generation Generation Designation: Second Generation (GD/GG) Generation Introduction Year: 2000 (Japan), 2001 (North America) Codes Chassis Code: GD (Sedan), GG (Wagon) 👋 Introduction Market Position Market Position: Subaru's compact car offering, known for its standard All-Wheel Drive system, rally heritage, and practical design. The 2001 model represents the first year of the second generation, featuring a significant redesign. Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Mazda Protegé, Mitsubishi Lancer, Nissan Sentra Key Features Distinguishing Features: Standard Symmetrical All-Wheel Drive (AWD), boxer engine configuration, excellent handling characteristics, practical interior space (especially the wagon variant) 📋 Manual Details Coverage Areas Systems Covered: Engine, Transmission (Manual & Automatic), Drivetrain (AWD), Suspension, Steering, Brakes, Electrical System, HVAC, Fuel System, Cooling System, Exhaust System, Body & Chassis, Interior Trim, Safety Restraints, Diagnostic Procedures, Troubleshooting Page Count Estimated Page Count: 1500+ Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed disassembly, assembly, inspection, and repair of EJ20, EJ202, EJ204, EJ251, EJ253 engines (including piston, connecting rod, crankshaft, cylinder head, valves, timing belt/chain systems) Engine Management: ECU operation, sensor diagnostics (MAP, MAF, TPS, O2, CKP, CMP), fuel injection, ignition system, emissions control systems (catalytic converter, EGR, PCV), EVAP Transmission Manual: Disassembly, inspection, repair, and overhaul of 5-speed and 6-speed (WRX) manual transmissions, clutch system, shift linkages Transmission Automatic: Operation, diagnosis, and repair of 4-speed automatic transmissions (e.g., 4EAT/TZ1A), hydraulic control systems, torque converter Drivetrain: Subaru Symmetrical All-Wheel Drive (AWD) system operation, center differential, rear differential, driveshafts, CV joints, wheel bearings Suspension: Front MacPherson strut and rear multi-link suspension, springs, dampers, control arms, bushings, alignment specifications Steering: Rack and pinion steering system, power steering pump, fluid, steering column, intermediate shaft Brakes: Front ventilated discs, rear discs, ABS system (operation and diagnosis), brake lines, master cylinder, calipers, pads, rotors, parking brake Electrical System: Wiring diagrams, fuse box locations, relay functions, battery, charging system (alternator, starter), lighting system (headlights, taillights, interior), power windows, mirrors, locks, wipers, horn HVAC: Air conditioning system (refrigerant, compressor, condenser, evaporator), heater core, blower motor, climate controls, cabin air filter replacement Body Chassis: Body panel removal and installation, door mechanisms, glass replacement, bumper systems, frame structure, corrosion protection Interior Trim: Dashboard removal, seat removal and installation, headliner, door panels, center console Safety Restraints: Airbag system components and diagnosis, seatbelt operation and replacement Procedures Included Maintenance Procedures: Oil and filter changes, fluid level checks and top-offs, spark plug replacement, air filter replacement, fuel filter replacement, coolant flush and replacement, brake fluid flush, timing belt replacement, cabin air filter replacement Repair Procedures: Engine rebuilds, head gasket replacement, clutch replacement, transmission overhaul, brake caliper/rotor replacement, suspension component replacement, electrical component diagnosis and replacement, A/C system servicing Diagnostic Procedures: Troubleshooting charts, OBD-II diagnostic trouble codes (DTCs), sensor testing, circuit testing, common fault diagnosis Technical Depth Technical Depth: Comprehensive, covering basic maintenance to complete engine and transmission overhauls, detailed electrical system diagnostics, and body repair 📊 Manual Specifications File Format File Format: Searchable PDF Print Quality Print Quality: High-resolution, clear text and diagrams suitable for printing Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Options: 2.5L EJ251 SOHC Naturally Aspirated (most North American models), 2.0L EJ202/EJ204 SOHC/DOHC Naturally Aspirated (some markets), 2.0L EJ205 DOHC Turbocharged (WRX models) Performance Ej251 Horsepower: 165 hp @ 5600 rpm (estimated) Ej251 Torque: 166 lb-ft @ 4000 rpm (estimated) Ej205 Turbo Horsepower: 227 hp @ 5600 rpm (WRX model) Ej205 Turbo Torque: 217 lb-ft @ 3000 rpm (WRX model) Fuel System Fuel Delivery: Multi-point fuel injection (MPI) Recommended Fuel: 87 Octane (Naturally Aspirated), 91 Octane (Turbocharged WRX) Engine Layout Engine Layout: Horizontally-opposed (Boxer) 🔧 Transmission Standard Transmission Standard: 5-Speed Manual Transmission Optional Transmission Optional: 4-Speed Automatic Transmission (4EAT/TZ1A) Features AWD System: Subaru Symmetrical All-Wheel Drive (AWD) with viscous center differential (manual) or electronically controlled hydraulic multi-plate clutch center differential (automatic) 📐 Dimensions Exterior Wheelbase: 2515 mm (99.0 in) Length Sedan: 4410 mm (173.6 in) Length Wagon: 4405 mm (173.4 in) Width: 1700 mm (66.9 in) Height: 1420 mm (55.9 in) (Sedan) / 1475 mm (58.1 in) (Wagon) Weights Curb Weight Est: 1300-1400 kg (2866-3086 lbs) Gross Vehicle Weight Rating Est: 1800-1900 kg (3968-4189 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: Not rated (for 2001 model year specifically, later models improved) NHTSA Front Impact Passenger: Not rated (for 2001 model year specifically) Active Features Active Safety Features: Anti-lock Braking System (ABS) - standard on most trims, Traction Control System (TCS) - available on higher trims Passive Features Passive Safety Features: Dual front airbags, front seatbelt pretensioners, side-impact door beams, crumple zones 💡 Technology Features Infotainment Infotainment System: Basic AM/FM stereo with CD player, optional cassette player; manual...