🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2001 Codes Chassis Code: GD/GG Platform: Subaru Global Platform (first generation) 👋 Introduction Market Position Segment: Compact car (C-segment) Usp: Symmetrical All-Wheel Drive (standard on most trims), rally heritage, boxer engine Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Mitsubishi Lancer, Mazda3 Key Features Performance Variants: WRX (turbocharged performance model) Body Styles: Sedan, Wagon 📋 Manual Details Coverage Areas Primary Coverage: North America Secondary Coverage: Global models with similar specifications Page Count Estimated Pages: Approximately 1500+ Manual Type Type: Full Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, cylinder head, block, pistons, crankshaft, camshafts, timing system Engine Electrical: Ignition system, starter, alternator, sensors, engine control unit (ECU) wiring diagrams Fuel System: Fuel pump, injectors, fuel lines, evaporative emission control (EVAP) Cooling System: Radiator, water pump, thermostat, hoses, cooling fan Exhaust System: Manifolds, catalytic converter, mufflers, pipes Transmission Manual: Clutch, gearbox overhaul, shift linkage Transmission Automatic: Transmission overhaul, valve body, torque converter, gear selection Drivetrain AWD: Center differential, rear differential, driveshafts, viscous coupling unit (VCU) Suspension Front: Struts, control arms, ball joints, sway bar Suspension Rear: Multi-link suspension, trailing arms, shocks, springs Brakes Front: Disc brakes, calipers, rotors, pads, brake lines Brakes Rear: Disc brakes, calipers, rotors, pads, parking brake mechanism Steering: Power steering pump, rack and pinion, steering column, tie rods Electrical Body: Lighting, power windows, locks, wipers, horn, interior/exterior lighting HVAC: Air conditioning, heater core, blower motor, climate control panel Body Chassis: Frame, body panels, doors, hood, trunk, glass replacement Diagnostic Troubleshooting: Error codes, symptom-based diagnostics, wiring diagrams for troubleshooting Procedures Included Routine Maintenance: Oil change, filter replacement, spark plug replacement, fluid checks Component Repair: Engine rebuild, transmission repair, brake caliper replacement, suspension component renewal Troubleshooting Guides: Systematic diagnosis of common and uncommon faults Wiring Diagrams: Comprehensive electrical schematics for all systems Torque Specifications: Detailed torque values for all critical fasteners Specifications Data: Engine output, dimensions, weights, tire pressures, fluid capacities Body Work Repair: Panel replacement, dent repair, rust treatment guidance Wheel Alignment: Alignment specifications for front and rear suspension Technical Depth Depth: Comprehensive (from basic maintenance to full engine and transmission rebuilds) 📊 Manual Specifications File Format Searchability: Searchable text Readability: High-resolution clear scans/renderings Print Quality Illustrations: Detailed diagrams and photographic illustrations Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: EJ251 (2.5L NA), EJ205 (2.0L Turbo - WRX) Engine Type: Horizontally-opposed (Boxer) SOHC/DOHC Displacement: 2457 cc (2.5L NA), 1994 cc (2.0L Turbo) Performance Horsepower Na: 165 hp @ 5600 rpm (EJ251) Torque Na: 166 lb-ft @ 4000 rpm (EJ251) Horsepower Turbo: 227 hp @ 5600 rpm (EJ205 - WRX) Torque Turbo: 217 lb-ft @ 4000 rpm (EJ205 - WRX) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline (91+ octane recommended for WRX) Engine Management ECU Type: Denso (specific model varies) 🔧 Transmission Standard Transmission Type: 5-speed Manual (standard on most trims), 4-speed Automatic (optional) Optional Automatic Transmission Details: 4EAT (4-speed Electronically Controlled Automatic Transmission) Features AWD System: Subaru's Symmetrical All-Wheel Drive (standard on most trims) Manual Transmission Gear Ratios: Specific ratios available in manual 📐 Dimensions Exterior Wheelbase: 2525 mm (99.4 in) Length: 4415 mm (173.8 in) Sedan / 4465 mm (175.8 in) Wagon Width: 1700 mm (66.9 in) Height: 1445 mm (56.9 in) Sedan / 1475 mm (58.1 in) Wagon Weights Curb Weight: Approximately 1300-1450 kg (2866-3197 lbs) depending on trim and drivetrain Gross Vehicle Weight Rating: Available in manual Cargo Cargo Volume: Specific to sedan vs. wagon, detailed in manual 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 stars (driver/passenger) NHTSA Side Impact: 4/5 stars (front/rear passenger) Active Features ABS: Standard on most trims Traction Control: Available on select trims Passive Features Airbags: Driver and front passenger airbags, optional side airbags Seatbelts: 3-point front and rear seatbelts, pretensioners 💡 Technology Features Infotainment Head Unit: Factory AM/FM/CD player, optional premium audio systems Speaker Configuration: 4-6 speakers depending on trim Driver Assistance Cruise Control: Standard Connectivity Auxiliary Input: Not typically standard, aftermarket integration common 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles (severe) or 7,500 miles (normal) with synthetic oil, or as per Subaru's recommendation Engine Air Filter Replacement: Every 15,000 - 30,000 miles Cabin Air Filter Replacement: Every 15,000 - 30,000 miles Spark Plug Replacement: Every 60,000 - 100,000 miles (depending on plug type) Timing Belt Replacement: 75,000 miles or 5 years (Non-interference engine, but belt failure is catastrophic) Fluid Specifications Engine Oil Type: SAE 5W-30 (API Certified) Coolant Type: Subaru Super Coolant (Blue) or equivalent ethylene glycol based antifreeze Transmission Fluid Manual: GL-5 Gear Oil (75W-90 recommended) Transmission Fluid Automatic: ATF-HP (Subaru) or Dexron III compatible Differential Fluid Front Rear: GL-5 Gear Oil (75W-90 recommended) Brake Fluid Type:...