2002 Subaru Impreza Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2002 Chassis Code: GDB (for WRX/STI variants) Codes Generation Code: GD (Second Generation) 👋 Introduction Market Position Segment: Compact/Small Family Car,...

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Tipo: Car

Proveedor:

SKU: 363892

Etiquetas: 2002 Car Cars Impreza Misc Subaru

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Descripción

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Impreza

Year:

Chassis Code:

GDB (for WRX/STI variants)

Codes

Generation Code:

GD (Second Generation)

👋 Introduction

Market Position

Segment:

Compact/Small Family Car, known for its rally heritage and all-wheel-drive capability.

Target Audience:

Enthusiasts, DIY mechanics, and professional technicians seeking in-depth repair information.

Competitive Analysis

Competitors:

Honda Civic, Toyota Corolla, Mitsubishi Lancer, Ford Focus.

Key Features

Driving Dynamics:

Renowned for its balanced handling, grip (especially with AWD), and often turbocharged performance variants (WRX).

AWD System:

Subarusymmetrical All-Wheel Drive is a defining characteristic, enhancing traction and stability.

Performance Variants:

Availability of the performance-oriented WRX and STI models, offering significant engine upgrades and sportier tuning.

📋 Manual Details

Coverage Areas

Coverage:

Comprehensive service, repair, and maintenance for the 2002 Subaru Impreza.

Page Count

Page Count:

Estimated 2000+ pages (typical for a full factory service manual).

Manual Type

Manual Type:

Factory Service Manual (FSM)

Language

Language:

English

Format

Format:

Instant Download (Digital, likely PDF)

📖 Manual Coverage

Systems Covered

Engine:

Detailed diagnostics, repair procedures, specifications, and component overviews for all engine variants.

Transmission:

Coverage for both manual and automatic transmissions, including overhaul, diagnostics, and fluid service.

Drivetrain:

Includes Subarusymmetrical All-Wheel Drive (AWD) system, differentials, axles, and driveshafts.

Suspension:

Front and rear suspension systems, including struts, control arms, bushings, alignment specifications, and service.

Brakes:

Hydraulic brake system, ABS components, brake caliper service, rotor replacement, fluid specifications, and bleeding procedures.

Steering:

Power steering system, steering rack, pump, linkage, and column service.

Electrical:

Comprehensive wiring diagrams, component testing, charging system, ignition system, starting system, and ECU diagnostics.

HVAC:

Air conditioning system, heater, blower motor, climate controls, and refrigerant service.

Body And Chassis:

Exterior body panels, interior trim, doors, windows, sunroof, structural components, and collision repair information.

Fuel System:

Fuel pump, injectors, lines, tank, and evaporative emissions control (EVAP) system.

Cooling System:

Radiator, thermostat, water pump, hoses, and coolant specifications.

Procedures Included

Scheduled Maintenance:

Detailed maintenance schedules for oil changes, filter replacements, fluid checks, and other routine services.

Troubleshooting:

Diagnostic charts, symptom-based troubleshooting, and fault code explanations.

Repair Procedures:

Step-by-step instructions for component removal, installation, and repair for all major systems.

Diagnostics:

OBD-II diagnostic information, sensor testing, actuator testing, and ECU relearn procedures.

Torque Specifications:

Precise torque values for critical fasteners across all vehicle systems.

Special Tools:

Identification and usage of specialized tools required for specific repairs and diagnostics.

Technical Depth

Depth:

Complete overhaul and rebuilding procedures for major components like engines and transmissions.

Diagnostics Level:

Advanced diagnostic procedures, including oscilloscopes and logic analyzers for electrical system troubleshooting.

📊 Manual Specifications

File Format

File Format:

Digital (likely PDF), optimized for instant download and viewing.

Print Quality

Print Quality:

High-resolution, clear text and diagrams suitable for printing.

Binding Type

Binding Type:

N/A (Digital Format)

Paper Type

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Code Base:

EJ251 (2.5L Naturally Aspirated)

Displacement Na:

2.5 Liters (2457 cc)

Configuration Na:

Horizontally-opposed (Boxer) 4-cylinder

Horsepower Na:

Approx. 165-170 hp @ 5600 rpm

Torque Na:

Approx. 166 lb-ft @ 4000 rpm

Performance Engine

Engine Code Wrx:

EJ205 (2.0L Turbocharged)

Displacement Wrx:

2.0 Liters (1994 cc)

Configuration Wrx:

Horizontally-opposed (Boxer) 4-cylinder, turbocharged

Horsepower Wrx:

Approx. 227 hp @ 5600 rpm

Torque Wrx:

Approx. 217 lb-ft @ 3200 rpm

Fuel System

Fuel Delivery:

Multi-point fuel injection (MPI)

Fuel Type:

Unleaded gasoline

Ignition System:

Distributorless Ignition System (DIS) with coil-on-plug (COP) for WRX models.

🔧 Transmission

Standard

Manual Transmission:

5-speed manual transmission (TY754/TY755 series)

Optional

Automatic Transmission:

4-speed automatic transmission (4EAT)

Features

AWD Coupling:

Viscous coupling center differential for AWD models.

Differentials:

Open front and rear differentials (or Limited Slip Differential (LSD) on some performance variants).

Fluid Specs

Manual Trans Fluid:

Subaru Extra-S Gear Oil (or equivalent API GL-5, SAE 75W-90)

Automatic Trans Fluid:

Subaru ATF-HP (or equivalent Dexron III/Mercon)

📐 Dimensions

Exterior

Length:

Approx. 173.7 inches (4410 mm)

Width:

Approx. 66.7 inches (1695 mm)

Height:

Approx. 56.1 inches (1425 mm) for Sedan / 57.1 inches (1450 mm) for Wagon

Wheelbase

Wheelbase:

Approx. 99.9 inches (2535 mm)

Weights

Curb Weight:

Approx. 3000-3200 lbs (1360-1450 kg), varies by trim and drivetrain.

Gross Vehicle Weight:

Approx. 4200-4400 lbs (1905-2000 kg), varies by trim.

Cargo

Cargo Volume Sedan:

Approx. 12.1 cu ft (343 L)

Cargo Volume Wagon:

Approx. 30.0 cu ft (850 L) with rear seats up

🛡️ Safety Features

Ratings

NHTSA Front Impact Driver:

5 Stars

NHTSA Front Impact Passenger:

5 Stars

NHTSA Side Impact Front Passenger:

4 Stars

NHTSA Side Impact Rear Passenger:

4 Stars

Active Features

Standard Anti-lock Braking System (ABS)

Traction Control:

Available Traction Control System (TCS) on some models.

Passive Features

Airbags Front:

Driver and front passenger airbags.

Airbags Side:

Optional front side-impact airbags on select trims.

Seatbelts:

3-point height-adjustable front seat belts with pretensioners, 3-point rear seat belts.

💡 Technology Features

Infotainment

Audio System:

Standard AM/FM stereo with CD player. Higher trims may feature premium audio systems.

Display:

Basic digital clock and radio display.

Driver Assistance

Cruise Control:

Standard on most trims.

Anti Theft:

Factory immobilizer and alarm system.

Connectivity

Auxiliary Input:

Not typically available from the factory; aftermarket solutions are common.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles (6,000 km) or 6 months, whichever comes first (under normal driving conditions).

Air Filter Replacement:

Every 15,000 miles (24,000 km) or 12 months.

Engine Coolant Change:

Initial change at 60,000 miles (96,000 km) or 48 months, then every 30,000 miles (48,000 km) or 24 months.

Transmission Fluid Change Auto:

Every 30,000 miles (48,000 km) or 24 months.

Spark Plug Replacement:

Every 60,000 miles (96,000 km) for platinum-tipped plugs.

Fluid Specifications

Engine Oil Spec:

SAE 5W-30, API SL or higher.

Engine Oil Capacity:

4.5 US quarts (4.3 L) with filter for 2.5L NA; 4.7 US quarts (4.4 L) with filter for 2.0L Turbo.

Coolant Spec:

Subaru Super Coolant (or equivalent ethylene glycol-based coolant with corrosion inhibitors).

Brake Fluid Spec:

DOT 3 or DOT 4.

Known Issues

Head Gaskets:

While less common on the EJ251 than previous generations, head gasket leaks can still occur, especially with aftermarket modifications or poor maintenance.

Wrx Ring Lands:

WRX models with the EJ205 engine can be susceptible to ring land failure under high boost or aggressive tuning due to weaker piston design.

Clutch Wear:

Manual transmission clutches can wear out faster than average with aggressive driving or frequent towing.

Cv Axle Boots:

Cracked or torn CV axle boots can lead to premature failure of the CV joints, particularly in areas with poor road conditions or salt.

📚 Vehicle History

Brand Heritage

Subaru Heritage:

Subaru's history is rooted in aircraft manufacturing, leading to their distinctive horizontally-opposed engine and Symmetrical AWD systems, emphasizing durability and capability.

Model Evolution

Impreza Genesis:

The Subaru Impreza was first introduced in 1992 as a replacement for the Subaru Leone.

Generation 2 Introduction:

The second generation (GD chassis) debuted for the 2002 model year, featuring a completely redesigned chassis and body style, often referred to as the 'bug eye' for its distinctive headlights on early models.

Wrx Performance Heritage:

The Impreza WRX (World Rally eXperimental) variants have a strong motorsport pedigree, particularly in the World Rally Championship (WRC), influencing the design and engineering of production models.

Production

Manufacturing Location:

Primarily manufactured in Gunma, Japan.

Production Years 2Nd Gen:

2002-2007

🏆 Awards & Recognition

Recognitions

Car And Driver તિહાસ:

The Impreza WRX consistently appeared on Car and Driver's Ten Best list during this era for its performance value.

Ralley Championship Success:

Numerous rally championships (WRC, etc.) won by the Impreza platform contributed to its performance image and desirability.