Subaru Impreza 2.5L (gasoline) 2002 Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2002 Engine Type: Gasoline Engine Displacement Liters: 2.5 Codes Chassis Code: GD/GG Engine Codes: EJ251, EJ253 👋 Introduction Market Position Target...

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Stichworte: 2002 Car Cars Impreza 2.5L Misc Subaru

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Beschreibung

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Impreza

Year:

Engine Type:

Gasoline

Engine Displacement Liters:

Codes

Chassis Code:

GD/GG

Engine Codes:

EJ251, EJ253

👋 Introduction

Market Position

Target Audience:

DIY enthusiasts, independent repair shops, Subaru owners

Value Proposition:

Empowers users with factory-level knowledge for accurate and efficient maintenance and repair

Competitive Analysis

Alternatives:

Aftermarket manuals (Haynes, Chilton) may lack factory-specific details and accuracy

Key Features

Factory Authenticity:

Directly from Subaru, ensuring accuracy and completeness

Diagrams And Illustrations:

Superior clarity in visual aids compared to generic guides

Diagnostics:

In-depth troubleshooting guides for complex issues

📋 Manual Details

Coverage Areas

Coverage Scope:

Complete factory service and repair

Supported Models:

All Subaru Impreza 2.5L (gasoline) models for 2002

Page Count

Page Count:

Estimated 1000+ pages (typical for comprehensive factory manuals)

Manual Type

Manual Type:

Factory Service Manual

Language

Language:

English

Format

Format:

Digital (likely PDF) - optimized for easy-to-read text and diagrams

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete engine overhaul, cylinder head, pistons, crankshaft, timing belt, lubrication system, cooling system

Engine Management:

Fuel injection, ignition system, emissions control, ECU diagnostics, sensor data

Transmission:

Manual and automatic transmission overhaul, clutch system, driveline components (axles, differentials)

Brakes:

Brake system components, ABS, hydraulic systems, parking brake

Suspension Steering:

Front and rear suspension components, steering rack, power steering system

Electrical System:

Wiring diagrams, charging system, starting system, lighting, instrument cluster, body control modules

HVAC:

Heating, ventilation, and air conditioning system diagnosis and repair

Body Chassis:

Body panel removal and installation, interior trim, chassis components

Safety Systems:

Airbag system diagnosis and service precautions

Procedures Included

Maintenance:

Scheduled maintenance, oil changes, filter replacements, fluid checks

Troubleshooting:

Diagnostic flowcharts, common fault diagnosis for all systems

Repair:

Step-by-step repair procedures for all major and minor components

Diagnostics:

OBD-II diagnostics, fault code interpretation, sensor testing

Rebuilding:

Complete engine and transmission rebuilding procedures with specifications

Technical Depth

Depth:

Comprehensive, from basic DIY maintenance to advanced professional diagnostics and rebuilds

Diagrams:

High-quality, detailed diagrams and illustrations for clarity

Specifications:

Includes torque values, clearances, fluid capacities, and electrical specifications

📊 Manual Specifications

File Format

File Type:

Searchability:

Searchable text content for quick information retrieval

Printable:

Printable pages for physical reference

Print Quality

Diagram Quality:

High resolution for clarity and detail

Text Clarity:

Sharp and readable text

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Code:

EJ251 (likely for base models), EJ253 (likely for higher trims)

Configuration:

Horizontally-opposed (Boxer) 4-cylinder

Bore X Stroke:

92.0 mm x 91.0 mm (approx.)

Compression Ratio:

9.7:1 (approx.)

Performance

Horsepower Hp:

165 hp @ 5600 rpm (approx. for EJ251)

Torque Lb-Ft:

166 lb-ft @ 4000 rpm (approx. for EJ251)

Fuel System

Induction:

Naturally aspirated, Multi-point Fuel Injection (MPI)

Fuel Type:

Unleaded gasoline, Octane rating 87 minimum (91 recommended by Subaru)

Maintenance Items

Timing Belt Replacement Interval:

60,000 miles or 5 years (critical maintenance item)

Spark Plug Type:

Iridium (e.g., NGK PFR6B)

🔧 Transmission

Standard

Type:

5-speed manual transmission

Optional

Type:

4-speed automatic transmission (with electronic control)

Features

AWD System:

Symmetrical All-Wheel Drive (standard on all Impreza models)

Maintenance

Manual Transmission Fluid Spec:

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

Automatic Transmission Fluid Spec:

Subaru ATF-HP (or equivalent Dexron III compatible)

📐 Dimensions

Exterior

Length:

Approx. 174.5 inches

Width:

Approx. 66.7 inches

Height:

Approx. 56.1 inches (sedan), 57.7 inches (wagon)

Wheelbase:

Approx. 101.4 inches

Weights

Curb Weight:

Approx. 2900 - 3100 lbs (depending on body style and transmission)

Gross Vehicle Weight Rating:

Approx. 4200 lbs (typical)

Wheels Tires

Wheel Bolt Pattern:

5 x 100 mm

Standard Tire Size:

205/55R16

Optional Tire Size:

215/40R17 (on certain trims)

🛡️ Safety Features

Ratings

NHTSA Front Impact:

5-star (driver and passenger)

NHTSA Side Impact:

4-star (front and rear passenger)

Active Features

Standard Anti-lock Braking System (ABS)

Traction Control:

Optional Traction Control System (TCS)

Passive Features

Airbags:

Dual front airbags, optional side airbags

Seatbelts:

Front seat pretensioners with force limiters, 3-point rear seatbelts

Child Safety

Latch Anchors:

Lower Anchors and Tethers for CHildren (LATCH) system

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM stereo with CD player, optional cassette, 4 or 6 speaker system

Display:

Basic LCD display for radio and clock

Driver Assistance

Cruise Control:

Standard on most trims

Keyless Entry:

Optional keyless entry and remote start

Connectivity

Auxiliary Input:

No standard auxiliary audio input; aftermarket solutions available

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles or 3.75 months (severe driving), 7,500 miles or 7.5 months (normal driving) - consult manual for specific conditions

Engine Air Filter:

Inspect every 15,000 miles, replace as needed (typically every 30,000 miles)

Cabin Air Filter:

Replace every 15,000 miles or 1 year

Coolant Flush:

Initial drain and fill at 30,000 miles or 3 years, then every 30,000 miles or 3 years thereafter

Fluid Specifications

Engine Oil Type:

SAE 5W-30, API Certified (Subaru recommends synthetic)

Engine Oil Capacity:

4.7 US quarts (with filter)

Coolant Type:

Subaru Super Coolant (Blue) or equivalent silicate-free ethylene glycol based coolant

Brake Fluid Type:

DOT 3 or DOT 4

Power Steering Fluid Type:

Subaru Genuine Power Steering Fluid or equivalent (Dexron III ATF sometimes cited as compatible)

Known Issues

Head Gaskets:

While less common on the 2.5L NA EJ251/3 than some turbocharged variants, internal coolant leaks can occur. The manual will detail inspection and repair.

Crankshaft Position Sensor:

Failure can lead to no-start or intermittent stalling. The manual covers diagnosis and replacement.

Exhaust Manifold Cracks:

Can lead to exhaust leaks and a ticking noise. Manual covers inspection and replacement.

Oxygen Sensors:

Can lead to CEL (Check Engine Light) and poor fuel economy. Manual details testing procedures.

📚 Vehicle History

Brand Heritage

Subaru Legacy:

Subaru's history of AWD and boxer engines dates back to the Subaru Leone and Legacy

Model Evolution

Impreza Debut:

The Impreza was introduced globally in 1992 as a compact car, replacing the Leone

Second Generation Gd Gg:

The 2002 model year marks the beginning of the second generation (GD for sedan, GG for wagon), featuring a significant styling and engineering update.

Production

Manufacturing Location:

Japan (primarily Gunma Prefecture)

Market Introduction:

The 2002 Impreza debuted in Japan in late 2001 and North America for the 2002 model year.

🏆 Awards & Recognition

Recognitions

Car And Driver:

Subaru Impreza models, particularly WRX variants, have frequently been featured on Car and Driver's '10Best' lists, showcasing the model line's performance pedigree.

Safety Awards:

Early second-generation Imprezas generally received good safety ratings from IIHS and NHTSA for their era.

Certifications

Emisiones Compliance:

Designed to meet EPA and CARB emissions standards for its model year