2003-2004 Subaru Forester Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Forester Model Generation: Second Generation (SG) Model Years Covered: 2003, 2004 Codes Chassis Code: SG Engine Codes: EJ253 (Naturally Aspirated), EJ255 (Turbocharged -...

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斯库: 260890

标签: 2003 2004 Car Cars Forester Misc Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Forester

Model Generation:

Second Generation (SG)

Model Years Covered:

2003, 2004

Codes

Chassis Code:

Engine Codes:

EJ253 (Naturally Aspirated), EJ255 (Turbocharged - XT models)

👋 Introduction

Market Position

Segment:

Compact Crossover SUV

Target Audience:

Families, outdoor enthusiasts, individuals seeking all-weather capability.

Competitive Analysis

Key Competitors:

Honda CR-V, Toyota RAV4, Ford Escape, Nissan Xterra.

Key Features

Differentiating Factors:

Standard Symmetrical All-Wheel Drive, Boxer Engine, Practicality, Good Visibility.

Manual Value Proposition:

Provides authorized dealer-level repair and maintenance information, enabling cost-effective ownership.

📋 Manual Details

Coverage Areas

Primary Coverage:

North America

Secondary Coverage:

Global (specifications may vary slightly by region)

Page Count

Estimated Page Count:

1500+

Manual Type

Type:

Factory Service Manual / Workshop Manual

Source:

Reproduction of original Subaru Factory Service Manual

Language

Language:

English

Format

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered

Powertrain:

Engine Mechanical, Engine Control System (ECU), Fuel System, Ignition System, Exhaust System, Engine Lubrication, Cooling System, Turbocharger System (if applicable)

Transmission Drivetrain:

Manual Transmission (5-speed), Automatic Transmission (4-speed), All-Wheel Drive System (Symmetrical AWD), Drivetrain Components (driveshafts, differentials)

Chassis Suspension:

Front Suspension (MacPherson strut), Rear Suspension (Multi-link), Steering System, Brake System (ABS, EBD, Hill Start Assist - if equipped)

Electrical Body:

Body Electrical Systems, Lighting, Instrumentation, HVAC (Heating, Ventilation, Air Conditioning), Chassis Electrical, Power Accessories, Body Repair, Interior Trim, Exterior Trim

Diagnostics Troubleshooting:

Diagnostic Trouble Codes (DTCs), Circuit Diagrams, Wiring Schematics, Symptom-based Troubleshooting Guides

Procedures Included

Maintenance:

Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Replacement, Fluid Level Checks and Replacements

Repair Rebuild:

Engine Overhaul, Transmission Repair/Rebuild, Suspension Component Replacement, Brake Component Replacement, Electrical Component Repair/Replacement

Diagnostics Adjustment:

Engine Timing Adjustment, Idle Speed Control, Emission Control System Diagnostics and Repair, Wheel Alignment Specifications

Technical Depth

Depth:

Comprehensive: Covers basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and specifications.

📊 Manual Specifications

File Format

PDF Quality:

High-resolution, searchable text, printable pages.

Print Quality

Usability:

Designed for professional technicians and DIY enthusiasts, facilitating accurate diagnosis and repair.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Naturally Aspirated:

2.5L EJ253 SOHC Flat-4 (Boxer)

Turbocharged:

2.5L EJ255 DOHC Turbocharged Flat-4 (Boxer - Forester XT)

Performance Naturally Aspirated

Horsepower:

165 hp @ 5600 rpm

Torque:

166 lb-ft @ 4000 rpm

Performance Turbocharged

Horsepower:

210 hp @ 5600 rpm

Torque:

235 lb-ft @ 3500 rpm

Fuel System

Injection Type:

Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded Regular 87 Octane (for NA models), Premium Unleaded 91 Octane (recommended for XT models)

Engine Management

Subaru Engine Control Unit (ECU) with OBD-II diagnostics.

🔧 Transmission

Standard

Transmission Type:

5-speed Manual Transmission

Optional

Transmission Type:

4-speed Automatic Transmission

Features

Drivetrain:

Standard Symmetrical All-Wheel Drive (AWD) for both transmission types.

Automatic Features

Sportshift:

Not available on 2003-2004 models.

Manual Fluid

Gear Oil Spec:

GL-5 SAE 75W-90 (refer to manual for specific Subaru fluid)

Automatic Fluid

Atf Spec:

Subaru ATF-HP (or equivalent DEXRON III/MERCON compatible)

📐 Dimensions

Exterior

Length:

173.8 inches

Width:

69.7 inches

Height:

63.4 inches

Wheelbase:

103.1 inches

Interior

Passenger Volume:

99.0 cu ft

Cargo

Cargo Volume Behind Rear Seats:

30.0 cu ft

Cargo Volume With Rear Seats Folded:

64.3 cu ft

Weights

Curb Weight Min:

3240 lbs (FWD - rare option), 3370 lbs (AWD Manual)

Curb Weight Max:

3560 lbs (AWD XT Automatic)

Towing

Towing Capacity:

2400 lbs (with trailer brake controller, consult owner's manual for specific configurations)

🛡️ Safety Features

Ratings Nhtsa

Driver Front Impact:

5 Stars (2003)

Passenger Front Impact:

5 Stars (2003)

Side Impact Driver:

4 Stars (2003)

Side Impact Rear Passenger:

4 Stars (2003)

Ratings Iihs

Front Crash Test:

Good (2003)

Side Impact Crash Test:

Acceptable (2003 - without optional side airbags)

Active Features

Standard Anti-lock Braking System (ABS)

Standard Electronic Brake-force Distribution (EBD)

Passive Features

Airbags:

Standard Frontal Airbags, Optional Side-Curtain Airbags (availability varies by trim)

Seatbelts:

3-point front seatbelts with pretensioners, 3-point rear seatbelts.

💡 Technology Features

Infotainment

Audio System:

Standard AM/FM/CD player with 4 speakers. Optional premium audio with 6 speakers and subwoofer available on higher trims.

Navigation:

Optional factory-installed GPS navigation system available on select models.

Driver Assistance

Cruise Control:

Standard electronic cruise control.

Traction Control:

Traction Control System (TCS) available on some models.

Connectivity

Auxiliary Input:

Not typically standard; aftermarket solutions may exist.

Other

Keyless Entry:

Available on select trim levels.

🔧 Maintenance

Service Intervals

Oil Change Interval Typical:

Every 3,750 to 7,500 miles or 6 months, depending on driving conditions (refer to manual for specific recommendation).

Engine Air Filter Replacement:

Every 15,000 to 30,000 miles (refer to manual).

Spark Plug Replacement Naturally Aspirated:

100,000 miles (Platinum or Iridium tipped)

Spark Plug Replacement Turbocharged:

30,000 miles (Specialized heat range, consult manual)

Fluid Specifications

Engine Oil Type:

5W-30 Synthetic or Conventional (API SM or higher)

Engine Oil Capacity Na:

4.8 US quarts (4.5 liters) with filter

Engine Oil Capacity Xt:

5.0 US quarts (4.7 liters) with filter

Coolant Type:

Subaru Super Coolant (Blue) or equivalent

Brake Fluid Type:

DOT 3 or DOT 4

Known Issues

Head Gaskets:

While less prevalent than in earlier EJ engines, head gasket leaks can occur. The manual details diagnostic and repair procedures.

Catalytic Converter Premature Failure:

Some models have reported premature catalytic converter failure. The manual covers emissions system diagnostics.

Wheel Bearing Wear:

Front wheel bearings can show premature wear. The manual provides specifications for replacement and related components.

Cv Joint Boots Deterioration:

Rubber CV joint boots can degrade over time. The manual includes replacement procedures.

📚 Vehicle History

Brand Heritage

Founding Principles:

Subaru's heritage is rooted in aviation engineering, emphasizing durability, safety, and all-weather capability through its Boxer engines and Symmetrical AWD.

Model Evolution

First Generation:

First generation Forester (SF series) introduced in 1997.

Second Generation Launch:

Second Generation (SG Forester) launched for the 2003 model year, featuring a more refined and modern design.

Production

Manufacturing Location:

Gunma Plant, Japan.

Sales Trend:

Consistent sales success due to its unique blend of car-like handling and SUV practicality.

🏆 Awards & Recognition

Recognitions

Motor Trend SUV Of The Year:

Forester was a finalist for MotorTrend SUV of the Year in 2003.

IIHS Top Safety Pick:

Forester achieved good ratings in IIHS crash tests, contributing to its safety reputation.

Certifications

California Pzev:

Certain Forester models met California's Partial Zero Emission Vehicle (PZEV) standards, indicating cleaner emissions.