🏷️ Basic Information

Make:

Subaru

Model:

Impreza WRX

Model Generation:

First Generation (GC/GF/GM)

Model Variant:

WRX (Wide body Rally/World Rally eXperimental)

Chassis Code:

GC8 (Sedan/Coupe)

Platform:

Subaru Global Platform (precursor to modern G Platform)

👋 Introduction

Positioning:

Performance-oriented compact sedan and coupe, established as a rally homologation special and enthusiast icon.

Target Audience:

Enthusiasts, DIY mechanics, performance tuners, owners seeking detailed repair and maintenance guidance.

Competitors:

Mitsubishi Lancer Evolution, Ford Focus RS, Volkswagen Golf GTI

Performance Orientation:

Symmetrical All-Wheel Drive, turbocharged Boxer engine, sport-tuned suspension, powerful braking systems.

Rally Heritage:

Developed from Subaru's successful World Rally Championship program, offering a street-legal experience of rally-bred technology.

📋 Manual Details

Geographic Coverage:

Global (primarily for markets where WRX was officially sold or grey-market imported)

Model Year Coverage:

1999, 2000

Trim Level Coverage:

WRX (all trims/packages available for specified years)

Estimated Page Count:

1000+ pages (typical for a full workshop manual)

Manual Type:

Workshop Repair Service Manual

Content Focus:

Maintenance, Repair, Troubleshooting, Diagnostics, Specifications

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine:

EJ20G/EJ20K/EJ207 (2.0L Turbocharged Boxer-4), Engine Mechanical, Lubrication, Cooling, Fuel Injection, Ignition, Emission Control, Turbocharger System, Engine Management System (ECU)

Transmission:

Manual Transmission (5-speed & 6-speed options), Drivetrain, All-Wheel Drive System (VCD-System, DCCD - Driver Controlled Centre Differential where applicable)

Brakes:

Hydraulic System, ABS (Anti-lock Braking System), Brake Actuation, Parking Brake

Suspension:

Front & Rear Suspension, Springs, Shock Absorbers, Bushings, Alignment Specifications

Steering:

Power Steering System, Steering Gear, Steering Column

Electrical:

Battery, Charging System, Starting System, Lighting, Instrumentation, Wiper/Washer, Horn, Power Windows/Locks, Audio System, ECU Wiring Diagrams, Fuse/Relay Locations

Body:

Body Exterior (Panels, Doors, Hood, Trunk), Body Interior (Trim, Seats, Headliner), Chassis, Frame, Noise/Vibration/Harshness (NVH) Control

HVAC:

Heating, Ventilation, and Air Conditioning System (HVAC)

Maintenance:

Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Service, Belt Inspection/Replacement, Fluid Checks and Replacements

Repair:

Engine Reassembly, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Repair, Body Panel Replacement

Troubleshooting:

Diagnostic Flowcharts for Common Issues, Symptom-Based Troubleshooting Guides, Error Code Interpretation

Diagnostics:

OBD-II (On-Board Diagnostics) Information, Sensor Testing, Actuator Testing, ECU Data Interpretation

Specifications:

Torque Specifications for Fasteners, Clearances, Gapping Specifications, Fluid Capacities, Electrical Resistances

Depth:

Comprehensive: Covers everything from basic fluid changes to complete engine and transmission rebuilds, including detailed wiring diagrams and diagnostic procedures.

📊 Manual Specifications

File Format:

PDF

Searchability:

Searchable text (typically, depending on PDF creation)

Printability:

Printable pages

Image Resolution:

High resolution for clear diagrams and illustrations

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code Common:

EJ20G, EJ20K, EJ207 (depending on market and specific model year/variant)

Engine Type:

Horizontally Opposed (Boxer), 4-Cylinder, 16-Valve, DOHC, Turbocharged

Displacement:

1994 cc (2.0 Liters)

Horsepower Range:

Approximately 240-280 PS (177-206 kW; 237-276 hp), varies by specific market and engine variant (e.g., EJ20K/EJ207 often higher output)

Torque Range:

Approximately 300-350 Nm (221-258 lb-ft), varies by specific market and engine variant

Fuel Delivery:

Electronic Fuel Injection (EFI) with Sequential Port Injection

Turbocharger:

Water-cooled, twin-scroll turbocharger (specifics vary, e.g., IHI VF series common)

Octane Requirement:

Premium Unleaded Gasoline (91 AKI or higher recommended/required)

🔧 Transmission

Transmission Type Standard:

5-speed Manual Transmission

Transmission Type Optional:

6-speed Manual Transmission (common on later GC8 WRX models, especially STI variants, or may be covered for specific markets within the 1999-2000 range)

Drivetrain:

Symmetrical All-Wheel Drive (SAWD) with Driver Controlled Centre Differential (DCCD) on some variants

Clutch Type:

Hydraulically Actuated, Single Dry Plate

Manual Transmission Fluid:

API GL-5, SAE 75W-90 (check manual for exact Subaru specification, e.g., Subaru Extra Sdn Gear Oil)

📐 Dimensions

Body Styles:

4-door Sedan, 2-door Coupe (GC8)

Length:

Approx. 4350-4415 mm (171.3-173.8 in) for Sedan

Width:

Approx. 1700-1730 mm (66.9-68.1 in)

Height:

Approx. 1405-1425 mm (55.3-56.1 in)

Wheelbase:

Approx. 2520 mm (99.2 in)

Curb Weight:

Approx. 1270-1350 kg (2800-2976 lbs), varies by model and equipment

🛡️ Safety Features

NHTSA Rating:

Not extensively tested or rated by NHTSA for this specific generation/model in all markets; refer to specific regional testing bodies.

ABS:

Standard on WRX models (4-channel ABS)

Traction Control:

Generally not available on WRX models of this era; focus on AWD system for traction.

Airbags:

Driver and Passenger Airbags standard

Seatbelts:

Three-point Inertia Reel Seatbelts with pretensioners

💡 Technology Features

Audio System:

Factory AM/FM/CD player, often with basic speaker setup. Aftermarket upgrades are very common.

Dashboard:

Analog gauges, including a prominent tachometer and speedometer. Boost gauge often integrated or added.

Driver Assistance Features:

Limited by era. Primary driver assistance is the Symmetrical AWD system. No modern electronic stability control (VDC) on most WRX models of this period.

Connectivity Features:

No integrated Bluetooth or USB connectivity. Relies on aftermarket solutions.

🔧 Maintenance

Oil Change Interval:

Every 3,000-5,000 miles or 3-6 months (severe driving conditions may warrant more frequent changes, especially with performance use)

Air Filter Replacement:

Every 15,000-30,000 miles or as needed based on inspection

Spark Plug Replacement:

Every 30,000-60,000 miles, depending on plug type (e.g., platinum or iridium)

Timing Belt Replacement:

Every 60,000-100,000 miles or 5-7 years (critical maintenance item for interference engines)

Engine Oil Specification:

SAE 5W-30 or 10W-30 Synthetic or Semi-Synthetic (check manual for specific viscosity and API rating, e.g., API SG or higher)

Coolant Type:

Subaru Super Coolant (Blue) or equivalent Ethylene Glycol-based coolant with corrosion inhibitors

Brake Fluid Type:

DOT 3 or DOT 4

Power Steering Fluid:

Subaru Genuine Power Steering Fluid or equivalent Dexron III ATF

Engine Internal:

Ringland failure (especially on EJ20K/early EJ207 when pushed hard), head gasket leaks (though less prevalent than on naturally aspirated Subarus of the era), oil consumption.

Turbocharger:

Turbo seal failure leading to smoking, bearing wear.

Suspension:

Wear in bushings (control arm, sway bar), strut mount failure, ball joint wear.

Electrical:

Corrosion on grounds/connectors, alternator issues, ECU capacitor failure (less common on this specific generation than later ones, but possible).

Rust:

Common rust spots include rear wheel arches, rocker panels, and around the battery tray. Body integrity is crucial.

📚 Vehicle History

Brand Focus:

Subaru has a long history in rally racing and is known for its boxer engines and Symmetrical All-Wheel Drive systems.

Wrx Origin:

The WRX (World Rally eXperimental) was developed to homologate Subaru's rally cars for WRC competition, translating rally technology to a production vehicle.

Gc8 Generation:

The GC8 is the first generation of the Impreza WRX, produced from 1992 to 2000. The 1999-2000 models represent later iterations of this generation, often with chassis and engine refinements.

Production Location:

Japan (Gunma Plant)

Production Years For Model:

1992-2000 (GC/GF/GM generation)

🏆 Awards & Recognition

Rally Championships:

Subaru Impreza WRX (and its STI variants) were highly successful in the World Rally Championship (WRC), winning manufacturer's titles and driver's titles with Colin McRae, Richard Burns, and Petter Solberg during the WRC era that influenced this generation.

Enthusiast Recognition:

Widely regarded as a seminal JDM (Japanese Domestic Market) performance car and a legend in automotive enthusiast circles for its driving dynamics and tuner potential.