Subaru Impreza WRX 2002 Workshop Service Manual for Repair

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🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Year: 2002 Generation Generation Name: GD/GG Generation Start Year: 2000 Generation End Year: 2007 Codes Chassis Code: GDB (Sedan), GGA (Wagon)...

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类型: Car

斯库: 390355

标签: 2002 Car Cars Impreza WRX Misc Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Impreza WRX

Year:

Generation

Generation Name:

GD/GG

Generation Start Year:

Generation End Year:

Codes

Chassis Code:

GDB (Sedan), GGA (Wagon)

👋 Introduction

Market Position

Segment:

Performance Compact Sedan/Wagon

Target Audience:

Enthusiasts, tuners, DIY mechanics, and professional technicians.

Competitive Analysis

Key Competitors:

Mitsubishi Lancer Evolution, Ford Focus RS (later generations), VW Golf GTI (later generations).

Key Features

Vehicle Selling Points:

Symmetrical All-Wheel Drive, turbocharged engine, rally-bred performance, driver-focused interior.

Manual Value Proposition:

Provides detailed, factory-level information for maintaining and repairing the 2002 Impreza WRX, crucial for preserving its performance and value.

📋 Manual Details

Coverage Areas

Primary Coverage:

Subaru Impreza WRX (2002 Model Year)

Trim Levels Covered:

WRX (all variants)

Page Count

Total Pages:

3000+

Manual Type

Type:

Workshop Service Manual

Purpose:

Repair and Maintenance

Language

Language:

English

Format

Format:

File Format

File Type:

Searchability:

Likely text-searchable due to being a digital PDF.

Print Quality

Quality:

Variable depending on original scan, but typically high for service manuals.

Binding Type

Type:

N/A (Digital PDF)

Paper Type

Type:

N/A (Digital PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete engine overhaul, disassembly, assembly, component inspection, timing belt replacement, lubrication system, cooling system.

Engine Management:

Fuel injection system, ignition system, emission control systems, ECU diagnostics, sensor testing.

Transmission:

Manual transmission (5-speed), clutch system, differential, gearbox disassembly and assembly, fluid specifications.

Drivetrain:

All-Wheel Drive (AWD) system, viscous coupling, driveshafts, CV joints, wheel bearings.

Brakes:

Front and rear disc brakes, ABS system, brake fluid specifications, bleeding procedures, caliper and master cylinder overhaul.

Suspension:

Front MacPherson struts, rear multi-link suspension, springs, dampers, bushings, alignment specifications.

Steering:

Power steering system, steering rack, column, tie rod ends, fluid specifications.

Electrical System:

Battery, charging system, starter, lighting, horn, power windows, power locks, fuses, relays, wiring diagrams.

HVAC:

Heating, ventilation, and air conditioning (HVAC) system, refrigerant types, troubleshooting, component replacement.

Body And Interior:

Body panel removal and installation, door mechanisms, interior trim, seats, dashboard, soundproofing.

Procedures Included

Maintenance Procedures:

Oil change, filter replacement, spark plug replacement, coolant flush, brake pad replacement, tire rotation.

Diagnostic Procedures:

Troubleshooting guides for common issues, DTC (Diagnostic Trouble Code) interpretation, component testing procedures.

Repair Procedures:

Step-by-step instructions for engine component replacement, transmission overhaul, suspension repair, brake system service, electrical component repair.

Troubleshooting Charts:

Comprehensive charts linking symptoms to potential causes and repair steps.

Technical Depth

Depth:

Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds.

Diagnostics Level:

Advanced, including wiring diagrams, sensor data interpretation, and electronic control unit (ECU) troubleshooting.

⚙️ Engine Specifications

Primary Engine

Engine Code:

EJ205

Engine Type:

Horizontally Opposed (Boxer) 4-Cylinder, Turbocharged, Intercooled

Displacement:

2.0 Liters (1994 cc)

Bore X Stroke:

92.0 mm x 75.0 mm

Compression Ratio:

8.5:1

Performance

Horsepower:

227 hp @ 5600 rpm (approx.)

Torque:

217 lb-ft @ 4000 rpm (approx.)

Fuel System

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Fuel Type:

Unleaded Premium (91 Octane or higher recommended)

Turbocharger

Turbocharger Model:

IHI VF30 (or similar)

🔧 Transmission

Standard

Type:

5-Speed Manual

Drivetrain:

Symmetrical All-Wheel Drive (AWD) with Viscous Center Differential

Optional

Type:

None offered for WRX model

Features

Gear Ratios:

Refer to manual for specific ratios

Clutch Type:

Hydraulic, Single Dry Plate

📐 Dimensions

Exterior

Length:

Sedan: 173.8 in / Wagon: 174.2 in

Width:

68.1 in

Height:

Sedan: 56.1 in / Wagon: 57.3 in

Wheelbase:

100.0 in

Ground Clearance:

5.6 in

Weights

Curb Weight:

Approx. 3100-3200 lbs

Gross Vehicle Weight Rating:

Refer to vehicle placard

🛡️ Safety Features

Ratings

NHTSA Front Impact:

Not prominently rated for this specific model year, but generally good.

IIHS Side Impact:

Not prominently rated for this specific model year.

Active Features

Standard Anti-lock Braking System

Standard Symmetrical All-Wheel Drive

Traction Control:

Not standard on 2002 WRX

Passive Features

Airbags:

Driver and Passenger Frontal Airbags

Seatbelts:

3-point ELR seatbelts with pre-tensioners

Child Seat Anchors:

LATCH system

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM/CD player, likely with 4 or 6 speakers.

Navigation:

Not available as factory option for 2002 WRX.

Driver Assistance

Cruise Control:

Standard

Limited Slip Differential:

Front and rear differentials are open; center is viscous LSD.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles or 3 months (severe service) / 7,500 miles or 6 months (normal service).

Timing Belt Replacement Interval:

Every 90,000 miles or 7 years (whichever comes first).

Spark Plug Replacement Interval:

Every 30,000 miles (copper plugs) / 60,000 miles (iridium plugs - check specific type).

Fluid Specifications

Engine Oil Type:

SAE 5W-30 (API SG or higher, or check manual for specific Subaru specification)

Coolant Type:

Subaru Super Coolant (Blue) or equivalent ethylene glycol-based coolant with Subaru additive.

Transmission Fluid Type Manual:

API GL-5, SAE 75W-90 gear oil (refer to manual for capacity and specific brands).

Brake Fluid Type:

DOT 3 or DOT 4

Known Issues

Headgasket Leaks:

While less common on EJ205 than later EJ25 engines, still a potential issue to monitor, especially if overheated.

Clutch Wear:

Can wear prematurely with aggressive driving or poor clutch control.

Turbo Failure:

Can occur due to lack of lubrication, oil contamination, or heat soak. Proper warm-up and cool-down are critical.

Oil Consumption:

Some EJ series engines can consume oil over time; regular checks are important.

📚 Vehicle History

Brand Heritage

Subaru Motorsports Connection:

Strong ties to World Rally Championship (WRC) success, influencing WRX's performance DNA.

Model Evolution

First Generation Wrx:

Introduced in Japan in 1992, global release later.

Gd Gg Generation Introduction:

2000 (Japan), 2001 (Global), 2002 (US Market Debut).

Production

Manufacturing Location:

Ota, Gunma, Japan

🏆 Awards & Recognition

Recognitions

General Reputation:

Highly regarded as a driver's car and a rally homologation special.

Car And Driver 10 Best:

The Subaru Impreza WRX was often a contender or received praise from automotive journalists for its performance-to-price ratio.