🏷️ Basic Information Identification Make: Subaru Model: Impreza Model Variant: 1600cc Years Covered: 1997, 1998 Codes Chassis Codes: GC, GF Engine Codes: EJ16 👋 Introduction Market Position Segment: Compact / Small Family Car Target Audience: Subaru Impreza owners seeking to perform their own maintenance and repairs, DIY enthusiasts, independent repair shops. Competitive Analysis Competitors: Honda Civic, Toyota Corolla, Mitsubishi Lancer, Nissan Sentra Key Features Brand Signature: Subaru's reputation for reliability, all-wheel drive (though less common on base 1.6L models), and boxer engine architecture. Manual Value Proposition: Provides detailed, manufacturer-level information essential for accurate and efficient servicing of the specific 1.6L Impreza models. 📋 Manual Details Coverage Areas Primary Coverage: Service, Maintenance, Repair, Troubleshooting Secondary Coverage: Diagnostics, Electrical Systems, Component Overhaul Page Count Estimated Page Count: 500+ Manual Type Type: Full Service and Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (EJ16), Fuel System, Ignition System, Exhaust System Drivetrain: Transmission (Manual & Automatic), Drivetrain Components (CV joints, Axles) Chassis: Suspension (Front & Rear), Steering System, Brakes (Front & Rear) Electrical: Starting System, Charging System, Lighting, Instrumentation, ECUs, Wiring Diagrams Body And Interior: Body Panels, Doors, Windows, Seats, HVAC System Procedures Included Maintenance: Oil Changes, Filter Replacements, Spark Plug Service, Coolant Flush, Belt Replacement Repair: Engine Rebuilds, Transmission Overhauls, Brake Component Replacement, Suspension Component Replacement, Electrical Component Diagnosis and Repair Troubleshooting: Diagnostic Flowcharts, Symptom-Based Troubleshooting Guides Technical Depth Depth: Comprehensive - from basic maintenance to full engine and transmission rebuilds, including detailed diagnostic procedures and wiring schematics. 📊 Manual Specifications File Format Digital Format: Likely PDF; Searchable text and image quality are crucial for usability. Print Quality Print Readability: High resolution for clear diagrams and text. Binding Type Binding: N/A (Digital format) Paper Type Paper Quality: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Boxer-4 (Horizontally Opposed) Engine Code: EJ16 Displacement: 1597 cc Bore X Stroke: 79.0 mm x 81.3 mm Compression Ratio: 9.5:1 Valvetrain: SOHC (Single Overhead Camshaft), 2 valves per cylinder (16 valves total) Performance Horsepower Output: Approx. 95-100 PS (94-99 bhp) at 5600-6000 RPM (specific output may vary by market and tune) Torque Output: Approx. 130-135 Nm (96-99 lb-ft) at 4000-4800 RPM (specific output may vary) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline Ignition System: Distributorless ignition system (DIP/Coil-on-Plug depending on exact sub-model/market) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Optional Transmission Type: 4-Speed Automatic Features Drive Type: Typically Front-Wheel Drive (FWD) for 1.6L models, with All-Wheel Drive (AWD) potentially available as an option in some markets or higher trims. Clutch Type: Dry, single-plate clutch (for manual transmission) 📐 Dimensions Exterior Body Styles: 2-door Coupe, 4-door Sedan, 5-door Wagon Wheelbase: Approx. 2510 mm (98.8 inches) Length: Approx. 4340-4415 mm (170.9-173.8 inches) depending on body style Width: Approx. 1690-1700 mm (66.5-66.9 inches) Height: Approx. 1400-1445 mm (55.1-56.9 inches) depending on body style Weights Curb Weight: Approx. 1100-1250 kg (2425-2756 lbs) depending on body style and transmission 🛡️ Safety Features Ratings Fhtsa Ratings: Specific NHTSA ratings for 1997-1998 Impreza 1.6L are not readily available; however, vehicles of this era generally received mixed results in crash testing. Active Features Active Safety: Anti-lock Braking System (ABS) likely optional or standard on higher trims. Passive Features Passive Safety: Front airbags, crumple zones, side impact beams. 💡 Technology Features Infotainment Infotainment System: Basic factory radio with AM/FM and cassette player. CD player may be optional on higher trims. Driver Assistance Driver Assistance Features: Limited to features available at the time; no advanced driver-assistance systems (ADAS) like adaptive cruise control or lane-keeping assist. Connectivity Connectivity Options: No integrated Bluetooth or USB connectivity. Ancillary options (e.g., aftermarket head units) would be covered in body/electrical sections. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions. Timing Belt Replacement: Crucial for EJ engines; recommended replacement every 60,000-100,000 miles (96,000-160,000 km) or 5-7 years. Failure can cause severe engine damage. Coolant Flush Interval: Every 30,000 miles (48,000 km) or 2 years. Fluid Specifications Engine Oil Type: API SG or higher, SAE 10W-30 or 10W-40 is common (refer to manual for specific viscosity based on climate). Engine Oil Capacity: Approx. 4.2 liters (4.4 US quarts) with filter change. Coolant Type: Subaru Super Coolant or equivalent silicate-free ethylene glycol-based coolant. Transmission Fluid Manual: API GL-5, SAE 75W-90 gear oil. Transmission Fluid Automatic: Subaru ATF HP or equivalent Dexron III/Mercon compatible fluid. Known Issues Head Gaskets: While more prevalent in later EJ25 engines, early EJ engines can develop head gasket leaks. The manual will cover inspection and replacement procedures. Timing Belt Tensioner: Failure of the tensioner can lead to premature belt failure. The manual details the correct tensioner and replacement process. Oil Leaks: Common leak points include valve cover gaskets and oil pan gaskets....