Subaru Impreza 2001-2002 WRX STI Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX STI Model Generation: GD/GG Model Years Covered: 2001-2002 Codes Chassis Code: GDB 👋 Introduction Market Position Positioning: Iconic performance sedan, rally...

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标签: 2001 2002 Car Cars Impreza WRX STI Misc Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Impreza WRX STI

Model Generation:

GD/GG

Model Years Covered:

2001-2002

Codes

Chassis Code:

👋 Introduction

Market Position

Positioning:

Iconic performance sedan, rally homologation special

Target Demographic:

Performance car enthusiasts, rally fans, individuals seeking a highly capable AWD sports sedan

Competitive Analysis

Competitors:

Mitsubishi Lancer Evolution, Ford Focus RS, Audi S3, BMW 3 Series (performance variants)

Key Features

Performance Focus:

Emphasis on turbocharged power, advanced AWD system, and driver engagement

Rally Heritage:

Direct lineage from World Rally Championship (WRC) success

📋 Manual Details

Coverage Areas

Market Focus:

Global (primarily North America, Europe, Japan)

Primary Audience:

Professional Technicians

Secondary Audience:

Enthusiast DIY Mechanics

Page Count

Estimated Page Count:

1500+

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English

Format

Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Engine:

EJ207 (2.0L Turbocharged Boxer)

Fuel System:

Multi-point Fuel Injection, Turbocharger System, Intercooler

Engine Management:

ECU diagnostics, sensors, actuators, emissions control

Transmission:

6-Speed Manual (TY856)

Drivetrain:

Symmetrical All-Wheel Drive (AWD) with Driver Controlled Center Differential (DCCD)

Suspension:

Front MacPherson Struts, Rear Multi-link Independent, STI specific tuning

Brakes:

Front and Rear Disc Brakes, ABS, STI specific caliper upgrades (e.g., Brembo on some models)

Electrical:

Complete wiring diagrams, lighting, charging system, starting system, ECU harness

Body And Chassis:

Frame, body panels, interior trim, doors, windows, bumpers, aerodynamics

HVAC:

Heating, Ventilation, Air Conditioning system

Interior:

Seats, dashboard, instrumentation, airbags

Procedures Included

Maintenance:

Scheduled maintenance, oil changes, filter replacements, fluid checks

Repair:

Engine rebuild, transmission overhaul, brake component replacement, suspension repair, electrical component diagnosis and repair

Diagnostics:

Troubleshooting guides, diagnostic trouble codes (DTCs), on-board diagnostics (OBD-II)

Installation:

Component replacement procedures, alignment procedures

Specifications:

Torque specifications, clearances, fluid capacities, electrical resistance values

Technical Depth

Depth:

Comprehensive from basic maintenance to complete engine and transmission rebuilds

Diagnostic Level:

Advanced, including ECU data interpretation and wiring troubleshooting

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely text-searchable for efficient information retrieval

Print Quality:

High-resolution, suitable for printing specific sections or the entire manual

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Code:

EJ207

Displacement:

2.0 Liters (1994cc)

Configuration:

Horizontally Opposed (Boxer) 4-Cylinder

Aspiration:

Twin-Scroll Turbocharged (VF30 or similar)

Valvetrain:

DOHC, 16 Valves, Hydraulic Valve Adjusters

Bore X Stroke:

92.0 mm x 75.0 mm

Compression Ratio:

8.0:1

Performance

Horsepower:

Approx. 280 PS (276 hp) at 6,000 rpm (JDM spec)

Torque:

Approx. 350 Nm (258 lb-ft) at 4,000 rpm (JDM spec)

Fuel System

Fuel Type:

Unleaded Gasoline (High Octane Recommended, 98 RON/93+ AKI)

Injection System:

Electronic Multi-Point Fuel Injection (EFI)

Ignition System:

Electronic Ignition, Coil-on-Plug

Fluid Specifications

Engine Oil Type:

API SG or SH, SAE 10W-30 or 10W-40 (check manual for precise recommendations)

Coolant Type:

Subaru Super Coolant (Blue) or equivalent ethylene glycol-based antifreeze

🔧 Transmission

Standard

Type:

6-Speed Manual Transmission

Model Code:

TY856

Optional

Type:

N/A for WRX STI models of this era

Features

Drivetrain Coupling:

Symmetrical All-Wheel Drive (AWD)

Center Differential:

Driver Controlled Center Differential (DCCD)

Differential Types:

Front Helical Limited Slip Differential (LSD), Rear Mechanical Limited Slip Differential (LSD)

Fluid Specifications

Transmission Oil Type:

GL-5 Gear Oil, SAE 75W-90 (check manual for specific Subaru recommendations)

Transfer Case Oil Type:

GL-5 Gear Oil, SAE 75W-90

📐 Dimensions

Exterior

Length:

Approx. 4,405 mm (173.4 inches)

Width:

Approx. 1,770 mm (69.7 inches)

Height:

Approx. 1,410 mm (55.5 inches)

Wheelbase:

Approx. 2,515 mm (99.0 inches)

Weights

Curb Weight:

Approx. 1,400 - 1,450 kg (3,086 - 3,197 lbs)

Gross Vehicle Weight Rating:

To be specified in manual

Towing Capacity:

Not recommended

🛡️ Safety Features

Ratings

NHTSA Front Crash Test:

4-star (for 2001-2002 models)

IIHS Frontal Offset:

Good (for similar Subaru models of the era)

Active Features

Standard Anti-lock Braking System

Traction Control:

Standard Traction Control System (TCS)

Symmetrical All-Wheel Drive (AWD) for enhanced stability and grip

Passive Features

Airbags:

Driver and front passenger airbags

Seatbelts:

3-point front and rear seatbelts

Rollover Protection:

Reinforced chassis structure

💡 Technology Features

Infotainment

Head Unit:

Factory AM/FM/CD player

Speakers:

Factory speaker system (number and configuration varies by trim)

Driver Assistance

Advanced Features:

Limited; focus is on performance and mechanical systems

Connectivity

Connectivity Options:

N/A (basic audio system)

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-5,000 miles or 6 months (severe duty recommended for performance driving)

Air Filter Replacement:

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

Spark Plug Replacement:

Every 30,000-60,000 miles (Iridium type)

Timing Belt Replacement:

Every 60,000-100,000 miles or 7 years (crucial for EJ207 engine)

Fluid Specifications

Brake Fluid Type:

DOT 3 or DOT 4 (check manual for specific recommendations, high-temp performance fluid recommended for spirited driving)

Power Steering Fluid Type:

Subaru specified power steering fluid or ATF Dexron III (check manual)

Coolant Capacity:

Approx. 7.0 Liters (7.4 US Quarts)

Known Issues

Engine Wear:

Piston ring land failure at high power levels, valve seal wear

Turbocharger:

Oil starvation leading to turbo failure, potential wastegate issues

Transmission:

Synchro wear on 2nd and 3rd gear, potential clutch issues under aggressive use

Suspension:

Bushing wear, shock absorber degradation

📚 Vehicle History

Brand Heritage

Heritage:

Subaru's long-standing association with rallying and performance vehicles

Model Evolution

Previous Generation:

First Generation Subaru Impreza WRX STI (GC/GF/GM chassis)

Subsequent Generation:

Third Generation Subaru Impreza WRX STI (GR/GV chassis)

Production

Manufacturing Location:

Japan

Key Developments:

Introduction of the EJ207 engine, 6-speed transmission, DCCD, and chassis stiffening over previous models

🏆 Awards & Recognition

Recognitions

Rally Performance:

Multiple World Rally Championship (WRC) manufacturer and driver titles

Automotive Press:

Consistently lauded by automotive journalists for its performance and handling characteristics