Subaru Forester 2003 2004 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Forester Year: 2003-2004 Codes Chassis Codes: SG5, SG9 👋 Introduction Market Position Segment: Compact Crossover SUV Usp: Symmetrical All-Wheel Drive, Boxer Engine, Practicality...

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Forester

Year:

2003-2004

Codes

Chassis Codes:

SG5, SG9

👋 Introduction

Market Position

Segment:

Compact Crossover SUV

Symmetrical All-Wheel Drive, Boxer Engine, Practicality

Competitive Analysis

Competitors 2003:

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

Key Features

Standard AWD:

Engine Layout:

Horizontally Opposed (Boxer)

Ground Clearance:

Industry Leading (approx. 8 inches)

Cargo Capacity:

Versatile and Spacious

📋 Manual Details

Coverage Areas

General Repair:

Comprehensive

Overhaul:

Detailed

Page Count

Estimated Pages:

Approx. 2500+

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Powertrain:

Engine, Transmission, Drivetrain, Exhaust

Chassis:

Suspension, Steering, Brakes, Wheels & Tires

Electrical:

Wiring Diagrams, Lighting, Instruments, Audio, ECU

Body And Interior:

Body Panels, Doors, Seats, HVAC, Safety Restraints

Procedures Included

Maintenance:

Scheduled Maintenance, Fluid Changes, Inspections

Diagnostics:

Troubleshooting Guides, DTC Interpretation

Repair:

Component Removal, Installation, Reassembly

Overhaul:

Engine Rebuild, Transmission Rebuild

Technical Depth

Depth:

Expert Level (for trained technicians)

📊 Manual Specifications

File Format

Searchability:

Searchable Text

Printability:

Printable Pages

Resolution:

High Resolution (clear text and diagrams)

Binding Type

Type:

N/A (Digital PDF)

Paper Type

Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine Code Usdm:

EJ253 (2.5L SOHC)

Engine Displacement Liters:

Engine Type:

Naturally Aspirated, Horizontally Opposed (Boxer)

Cylinders Configuration:

4-Cylinder Boxer

Horsepower Bhp Approx:

Torque Lb Ft Approx:

Bore X Stroke Mm:

99.5 x 80.0

Compression Ratio:

9.7:1

Valvetrain:

SOHC (Single Overhead Camshaft), 16 Valves

Performance

Fuel Type:

Unleaded Gasoline

Fuel System

System:

Electronic Fuel Injection (EFI)

Fuel Octane Rating Minimum:

87 AKI (Octane)

Engine Code Other Markets

Engine Code Ej251:

EJ251 (2.5L DOHC - less common in 2003-2004 USDM, but covered)

Engine Code Ej255 Turbo:

EJ255 (2.5L DOHC Turbo - SG9 WRX STI variants, often covered)

🔧 Transmission

Standard

Type Manual:

5-Speed Manual

Type Automatic:

4-Speed Automatic (Activematic)

Optional

Turbo Transmission:

5-Speed Manual (WRX STI variants)

Features

Drivetrain Engagement:

Symmetrical All-Wheel Drive (Variable Torque Distribution for Auto, Direct Coupling for Manual)

Fluid Specifications

Automatic Transmission Fluid Type:

Subaru ATF-HP or equivalent

Manual Transmission Fluid Type:

Subaru Gear Oil API GL-5 75W-90

Fluid Capacities

Automatic Transmission Capacity Liters:

Approx. 6.4 (total fill)

Manual Transmission Capacity Liters:

Approx. 2.3

📐 Dimensions

Exterior

Length Mm Approx:

Width Mm Approx:

Height Mm Approx:

Wheelbase Mm Approx:

Track Width Front Mm Approx:

Track Width Rear Mm Approx:

Ground Clearance Mm Approx:

Approach Angle Degrees Approx:

Departure Angle Degrees Approx:

Weights

Curb Weight Kg Approx:

1450-1550

Gross Vehicle Weight Rating Kg Approx:

1950-2050

Towing Capacity Kg Unbraked Approx:

Towing Capacity Kg Braked Approx:

Cargo

Cargo Volume Liters Behind Rear Seats Approx:

Cargo Volume Liters With Rear Seats Folded Approx:

🛡️ Safety Features

Ratings

NHTSA Rollover Rating 2003:

4/5 Stars (Higher Center of Gravity)

IIHS Front Crash Rating:

IIHS Side Crash Rating:

Acceptable

Active Features

Standard

Electronic Brake Force Distribution Ebd:

Standard

Traction Control System TCS:

Optional/Standard on some trims

Passive Features

Airbags Front:

Standard Dual Frontal

Airbags Side Impact:

Optional Front Side

Seatbelts:

3-Point ELR Front and Rear, Pretensioners

Child Seat Anchors:

LATCH System

💡 Technology Features

Infotainment

Audio System:

Base 4-speaker or optional 6-speaker AM/FM/CD stereo.

Navigation:

Optional dealer-installed or aftermarket navigation systems were available. Not standard.

Climate Control:

Manual or optional automatic climate control.

Driver Assistance

Cruise Control:

Standard

All Wheel Drive System:

Symmetrical AWD is a core technological feature.

Connectivity

Auxiliary Input:

Not standard on most models; aftermarket solutions common.

Bluetooth:

Not available from factory.

🔧 Maintenance

Service Intervals

Oil Change Frequency:

Every 3,750 miles or 3 months (severe conditions) or 7,500 miles or 6 months (normal conditions)

Engine Air Filter Replacement:

Every 15,000 miles or 12 months

Cabin Air Filter Replacement:

Every 7,500 miles or 6 months

Spark Plug Replacement:

Every 60,000 miles (NGK Iridium)

Timing Belt Replacement:

Not Applicable (Utilizes a timing chain)

Fluid Specifications

Engine Oil Type Viscosity:

SAE 5W-30 (API SG or higher, ILSAC GF-2 or higher)

Engine Oil Capacity Liters With Filter:

Coolant Type:

Subaru Super Coolant (Blue) or equivalent silicate-free long-life coolant

Brake Fluid Type:

DOT 3 or DOT 4

Power Steering Fluid Type:

Subaru Genuine ATF or Dexron III equivalent

Known Issues

Head Gasket Leaks:

Common issue on EJ25 engines, though less prevalent in later models like the 2003-2004 compared to earlier generations. The manual will detail inspection and replacement procedures.

Oil Consumption:

Some EJ25 engines can exhibit increased oil consumption. Manual provides information on diagnosis and potential solutions.

Catalytic Converter Failure:

Can occur due to engine misfires or oil burning. Manual covers exhaust system diagnostics.

Suspension Components:

Wear on bushings, ball joints, and tie rod ends can occur with age and mileage. Manual details inspection and replacement.

📚 Vehicle History

Brand Heritage

Subaru Legacy:

Developed from Subaru's experience with the Subaru Legacy station wagon.

AWD Philosophy:

Subaru's long-standing commitment to all-wheel-drive technology.

Model Evolution

First Generation:

Introduced in 1997 (BG chassis).

Second Generation:

Introduced for the 2003 model year (SG chassis), this generation brought significant styling and mechanical updates.

Facelift 2006:

Mid-cycle refresh introduced for the 2006 model year, including updated styling and features.

Production

Manufacturing Location:

Gunma Plant, Japan

Production Years Sg Chassis:

2003-2008

🏆 Awards & Recognition

Recognitions

Car And Driver 10Best:

The Forester was a frequent contender and occasional winner in 'Best Small SUV' categories by various automotive publications.

IIHS Top Safety Pick:

Awarded 'Good' ratings in front and side impact tests by IIHS.

Ratings

Autotrader Reviews:

Consistently praised for its AWD system, cargo versatility, and driving dynamics for its class.