Subaru Legacy 2004-2005 WSM Service Manual Repair

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🏷️ Basic Information Identification Make: Subaru Model: Legacy Model Years: 2004, 2005 Product Type: Workshop Service Manual (WSM) / Repair Manual Codes Chassis Codes: BP (Wagon), BL (Sedan) 👋 Introduction Market Position Segment: Mid-size Sedan/Wagon, known for All-Wheel Drive and Boxer Engines Competitive Analysis Competitors: Toyota Camry, Honda Accord, Nissan Altima, Mazda6 Key Features Platform: Subaru's third generation platform for Legacy (BP/BL) Powertrain Emphasis: Symmetrical AWD standard across most trims, Boxer engine layout Value Proposition Owner Benefit: Enables DIY maintenance and repair, significantly reducing dealership service costs. 📋 Manual Details Coverage Areas Scope: Comprehensive Service and Repair Information Page Count Estimated Pages: 1500+ Manual Type Type: Factory Authorized Workshop Service Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine: 2.5L Naturally Aspirated EJ253, 2.5L Turbocharged EJ255 (GT/GT spec.B), 3.0L Naturally Aspirated EZ30D (3.0R) Transmission: 5-Speed Manual (TY757), 4-Speed Automatic (43072 / 4EAT) Drivetrain: Symmetrical All-Wheel Drive (AWD) System, Differentials (Front, Center, Rear) Suspension: Front MacPherson Struts, Rear Multi-Link Independent Suspension, AWD Components Brakes: Front Ventilated Disc, Rear Solid Disc (Standard), Front Ventilated Disc, Rear Ventilated Disc (GT/3.0R), ABS System, Brake Control Module Steering: Power Assisted Rack and Pinion Electrical: Wiring Diagrams, Fuses, Relays, Lighting, Power Windows, Mirrors, Locks, Audio System, HVAC Controls, ECM/BCM Diagnosis Body: Body Panels, Doors, Hood, Trunk, Bumpers, Glass, Interior Trim, Seats, Upholstery HVAC: Air Conditioning System, Heater Core, Blower Motor, Climate Controls, Refrigerant Handling Safety Systems: Airbag System, Seatbelt Pre-tensioners, SRS Module Diagnosis Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replenishments, Spark Plug Replacement, Belt Inspection/Replacement Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), On-Board Diagnostics (OBD-II), Wiring Harness Testing Repair Overhaul: Engine Reassembly, Transmission Overhaul, Brake Component Replacement, Suspension Component Rebuilding, AC System Repair Installation: Component Installation and Removal (Engine, Transmission, Suspension, Brakes, Body Panels, Interior Components) Specifications: Torque Specifications, Clearances, Alignment Data, Fluid Capacities, Electrical Specifications Technical Depth Depth: Factory Level Detail, Suitable for Professional Technicians and Advanced DIYers Diagnostic Tools: Information on Subaru Select Monitor (SSM) and general OBD-II scan tools Troubleshooting Methodology: Systematic approach to diagnosing faults with flowcharts and symptom-based guides 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Searchability: Fully searchable text content Print Quality Resolution: High-resolution, suitable for printing Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Additional Files Included Documents: Wiring Diagrams, Technical Service Bulletins (TSBs) often incorporated ⚙️ Engine Specifications Primary Engine Engine Code Na: EJ253 Engine Displacement Na: 2.5 Liters (2457 cc) Engine Configuration Na: Naturally Aspirated, Boxer-4 (Horizontally Opposed) Performance Na: Approx. 173 hp @ 5600 rpm, 166 lb-ft @ 3700 rpm (Varies slightly by year/spec) Fuel System Na: Multi-Point Fuel Injection (MPI) Turbo Engine Engine Code Turbo: EJ255 Engine Displacement Turbo: 2.5 Liters (2457 cc) Engine Configuration Turbo: Turbocharged, Boxer-4 (Horizontally Opposed) Performance Turbo: Approx. 210 hp @ 5600 rpm, 235 lb-ft @ 3600 rpm (GT), 250 hp / 250 lb-ft (GT spec.B) Fuel System Turbo: Multi-Point Fuel Injection (MPI) with Turbocharger V6 Engine Engine Code V6: EZ30D Engine Displacement V6: 3.0 Liters (2999 cc) Engine Configuration V6: Naturally Aspirated, Boxer-6 (Horizontally Opposed) Performance V6: Approx. 243 hp @ 6600 rpm, 219 lb-ft @ 4200 rpm Fuel System V6: Multi-Point Fuel Injection (MPI) General Timing Drive: Timing Belt (EJ engines), Timing Chain (EZ30D) Coolant Capacity: Approx. 7.0-7.5 Liters (Check specific engine variant) Oil Capacity: Approx. 4.5-5.5 Liters (Check specific engine variant) Recommended Oil Type: SAE 5W-30 Synthetic (Check Owner's Manual for exact specification, API SN or higher recommended) 🔧 Transmission Standard Type: 5-Speed Manual (TY757 Series) Optional Type: 4-Speed Automatic (4EAT - 43072 Series) Features AWD System: Viscous coupling center differential (Manual), Electronically controlled multi-plate transfer clutch (Automatic) Gear Ratios Manual: Refer to manual for specific ratios per gear Transmission Fluid Type Auto: Subaru ATF-HP (Genuine Subaru or equivalent DEXRON-III/MERCON compatible) Transmission Fluid Capacity Auto: Approx. 3.7 Liters (Drain and Fill) Transmission Fluid Type Manual: Subaru Manual Transmission Fluid (Genuine Subaru or equivalent GL-5 75W-90) Transmission Fluid Capacity Manual: Approx. 2.5 Liters 📐 Dimensions Exterior Length Sedan: Approx. 4745 mm (186.8 in) Width Sedan: Approx. 1730 mm (68.1 in) Height Sedan: Approx. 1425 mm (56.1 in) Wheelbase Sedan: Approx. 2700 mm (106.3 in) Length Wagon: Approx. 4755 mm (187.2 in) Width Wagon: Approx. 1730 mm (68.1 in) Height Wagon: Approx. 1490 mm (58.7 in) Wheelbase Wagon: Approx. 2700 mm (106.3 in) Weights Curb Weight Sedan Na: Approx. 1450-1550 kg (3200-3420 lbs) Curb Weight Sedan Gt: Approx. 1530-1630 kg (3370-3590 lbs) Curb Weight Wagon Na: Approx. 1470-1570 kg (3240-3460 lbs) Curb Weight Wagon Gt: Approx. 1550-1650 kg (3420-3640 lbs) Wheel Bolt Pattern: 5x100mm Tire Size Base: 205/55R16 Tire Size Gt: 215/45R17 or 215/45R18 🛡️ Safety Features Ratings NHTSA Front Impact Driver: Good (2004 models) NHTSA Front Impact Passenger: Good (2004 models) NHTSA Side Impact Front Seat: Good (2004...

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Tipo: Car

Proveedor:

SKU: 480644

Colecciones: ALL Subaru

Disponibilidad: En stock

Etiquetas: 2004 2005 Car Cars Legacy Misc Subaru

Variantes de producto

Descripción

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Legacy

Model Years:

2004, 2005

Product Type:

Workshop Service Manual (WSM) / Repair Manual

Codes

Chassis Codes:

BP (Wagon), BL (Sedan)

👋 Introduction

Market Position

Segment:

Mid-size Sedan/Wagon, known for All-Wheel Drive and Boxer Engines

Competitive Analysis

Competitors:

Toyota Camry, Honda Accord, Nissan Altima, Mazda6

Key Features

Platform:

Subaru's third generation platform for Legacy (BP/BL)

Powertrain Emphasis:

Symmetrical AWD standard across most trims, Boxer engine layout

Value Proposition

Owner Benefit:

Enables DIY maintenance and repair, significantly reducing dealership service costs.

📋 Manual Details

Coverage Areas

Scope:

Comprehensive Service and Repair Information

Page Count

Estimated Pages:

1500+

Manual Type

Type:

Factory Authorized Workshop Service Manual

Language

Language:

English

Format

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered

Engine:

2.5L Naturally Aspirated EJ253, 2.5L Turbocharged EJ255 (GT/GT spec.B), 3.0L Naturally Aspirated EZ30D (3.0R)

Transmission:

5-Speed Manual (TY757), 4-Speed Automatic (43072 / 4EAT)

Drivetrain:

Symmetrical All-Wheel Drive (AWD) System, Differentials (Front, Center, Rear)

Suspension:

Front MacPherson Struts, Rear Multi-Link Independent Suspension, AWD Components

Brakes:

Front Ventilated Disc, Rear Solid Disc (Standard), Front Ventilated Disc, Rear Ventilated Disc (GT/3.0R), ABS System, Brake Control Module

Steering:

Power Assisted Rack and Pinion

Electrical:

Wiring Diagrams, Fuses, Relays, Lighting, Power Windows, Mirrors, Locks, Audio System, HVAC Controls, ECM/BCM Diagnosis

Body:

Body Panels, Doors, Hood, Trunk, Bumpers, Glass, Interior Trim, Seats, Upholstery

HVAC:

Air Conditioning System, Heater Core, Blower Motor, Climate Controls, Refrigerant Handling

Safety Systems:

Airbag System, Seatbelt Pre-tensioners, SRS Module Diagnosis

Procedures Included

Maintenance:

Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replenishments, Spark Plug Replacement, Belt Inspection/Replacement

Diagnostics:

Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), On-Board Diagnostics (OBD-II), Wiring Harness Testing

Repair Overhaul:

Engine Reassembly, Transmission Overhaul, Brake Component Replacement, Suspension Component Rebuilding, AC System Repair

Installation:

Component Installation and Removal (Engine, Transmission, Suspension, Brakes, Body Panels, Interior Components)

Specifications:

Torque Specifications, Clearances, Alignment Data, Fluid Capacities, Electrical Specifications

Technical Depth

Depth:

Factory Level Detail, Suitable for Professional Technicians and Advanced DIYers

Diagnostic Tools:

Information on Subaru Select Monitor (SSM) and general OBD-II scan tools

Troubleshooting Methodology:

Systematic approach to diagnosing faults with flowcharts and symptom-based guides

📊 Manual Specifications

File Format

File Type:

Portable Document Format (PDF)

Searchability:

Fully searchable text content

Print Quality

Resolution:

High-resolution, suitable for printing

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper:

N/A (Digital Download)

Additional Files

Included Documents:

Wiring Diagrams, Technical Service Bulletins (TSBs) often incorporated

⚙️ Engine Specifications

Primary Engine

Engine Code Na:

EJ253

Engine Displacement Na:

2.5 Liters (2457 cc)

Engine Configuration Na:

Naturally Aspirated, Boxer-4 (Horizontally Opposed)

Performance Na:

Approx. 173 hp @ 5600 rpm, 166 lb-ft @ 3700 rpm (Varies slightly by year/spec)

Fuel System Na:

Multi-Point Fuel Injection (MPI)

Turbo Engine

Engine Code Turbo:

EJ255

Engine Displacement Turbo:

2.5 Liters (2457 cc)

Engine Configuration Turbo:

Turbocharged, Boxer-4 (Horizontally Opposed)

Performance Turbo:

Approx. 210 hp @ 5600 rpm, 235 lb-ft @ 3600 rpm (GT), 250 hp / 250 lb-ft (GT spec.B)

Fuel System Turbo:

Multi-Point Fuel Injection (MPI) with Turbocharger

V6 Engine

Engine Code V6:

EZ30D

Engine Displacement V6:

3.0 Liters (2999 cc)

Engine Configuration V6:

Naturally Aspirated, Boxer-6 (Horizontally Opposed)

Performance V6:

Approx. 243 hp @ 6600 rpm, 219 lb-ft @ 4200 rpm

Fuel System V6:

Multi-Point Fuel Injection (MPI)

General

Timing Drive:

Timing Belt (EJ engines), Timing Chain (EZ30D)

Coolant Capacity:

Approx. 7.0-7.5 Liters (Check specific engine variant)

Oil Capacity:

Approx. 4.5-5.5 Liters (Check specific engine variant)

Recommended Oil Type:

SAE 5W-30 Synthetic (Check Owner's Manual for exact specification, API SN or higher recommended)

🔧 Transmission

Standard

Type:

5-Speed Manual (TY757 Series)

Optional

Type:

4-Speed Automatic (4EAT - 43072 Series)

Features

AWD System:

Viscous coupling center differential (Manual), Electronically controlled multi-plate transfer clutch (Automatic)

Gear Ratios Manual:

Refer to manual for specific ratios per gear

Transmission Fluid Type Auto:

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

Transmission Fluid Capacity Auto:

Approx. 3.7 Liters (Drain and Fill)

Transmission Fluid Type Manual:

Subaru Manual Transmission Fluid (Genuine Subaru or equivalent GL-5 75W-90)

Transmission Fluid Capacity Manual:

Approx. 2.5 Liters

📐 Dimensions

Exterior

Length Sedan:

Approx. 4745 mm (186.8 in)

Width Sedan:

Approx. 1730 mm (68.1 in)

Height Sedan:

Approx. 1425 mm (56.1 in)

Wheelbase Sedan:

Approx. 2700 mm (106.3 in)

Length Wagon:

Approx. 4755 mm (187.2 in)

Width Wagon:

Approx. 1730 mm (68.1 in)

Height Wagon:

Approx. 1490 mm (58.7 in)

Wheelbase Wagon:

Approx. 2700 mm (106.3 in)

Weights

Curb Weight Sedan Na:

Approx. 1450-1550 kg (3200-3420 lbs)

Curb Weight Sedan Gt:

Approx. 1530-1630 kg (3370-3590 lbs)

Curb Weight Wagon Na:

Approx. 1470-1570 kg (3240-3460 lbs)

Curb Weight Wagon Gt:

Approx. 1550-1650 kg (3420-3640 lbs)

Wheel Bolt Pattern:

5x100mm

Tire Size Base:

205/55R16

Tire Size Gt:

215/45R17 or 215/45R18

🛡️ Safety Features

Ratings

NHTSA Front Impact Driver:

Good (2004 models)

NHTSA Front Impact Passenger:

Good (2004 models)

NHTSA Side Impact Front Seat:

Good (2004 models)

NHTSA Side Impact Rear Seat:

Good (2004 models)

IIHS Front Offset Score:

Good (2005 models)

IIHS Side Impact Score:

Good (2005 models)

Active Features

Traction Control:

Standard on most trims

Stability Control:

Subaru Vehicle Dynamics Control (VDC) available on higher trims

Standard 4-wheel Anti-lock Braking System

Passive Features

Airbags:

Front Dual-Stage Airbags, Front Side-Impact Airbags, Side Curtain Airbags (available/standard on some trims)

Seatbelts:

Front 3-point Pretensioner Seatbelts, Rear 3-point Seatbelts

💡 Technology Features

Infotainment

Head Unit:

Factory AM/FM/CD Player, optional CD changer, available Satellite Radio preparation.

Display:

Basic LCD display for radio and clock functions.

Driver Assistance

Cruise Control:

Standard on most trims.

Keyless Entry:

Available on most trims.

Connectivity

Auxiliary Input:

Not standard; aftermarket solutions typically required.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles (severe) or 7,500 miles (normal) for synthetic oil. Consult manual for specifics.

Air Filter Replacement:

Every 15,000 miles or as needed based on inspection.

Cabin Air Filter:

Every 15,000 miles or annually.

Spark Plug Replacement Ej253:

105,000 miles (Iridium Plugs)

Spark Plug Replacement Ej255:

105,000 miles (Iridium Plugs)

Spark Plug Replacement Ez30D:

105,000 miles (Iridium Plugs)

Timing Belt Replacement:

Not applicable (EJ engines use timing chains, EZ30D uses timing chain). Verify based on specific engine. Some older Subaru models used belts, but this generation primarily uses chains.

Fluid Specifications

Coolant:

Subaru Super Coolant (Blue) or equivalent P-OAT ethylene glycol based.

Brake Fluid:

DOT 3 or DOT 4.

Power Steering Fluid:

Subaru Genuine Power Steering Fluid or equivalent DEXRON-III/MERCON ATF.

Known Issues

Head Gaskets:

While less prevalent than earlier EJ engines, some reports of head gasket leaks can occur, especially on higher mileage naturally aspirated models. Turbocharged models are generally more robust.

Catalytic Converter:

Premature failure on some models, often related to oil consumption or misfires. Covered under extended warranty for certain years/VINs.

Automatic Transmission:

Some reports of delayed shifting or transmission issues, especially if maintenance intervals are not adhered to. Fluid changes are critical.

Suspension Components:

Wear on bushings and ball joints can occur over time, particularly in areas with rough road conditions.

Cvt Transmission:

Not applicable to this manual's model years; CVT transmissions were introduced in later Legacy generations.

📚 Vehicle History

Brand Heritage

Manufacturer Origin:

Japan

Core Philosophy:

Emphasis on All-Wheel Drive, Boxer engines, and safety.

Model Evolution

Generation:

Fourth Generation Subaru Legacy (BP/BL)

Design Language:

Significant redesign from previous generation, more aerodynamic and contemporary styling.

Key Updates 2004 2005:

Introduction of the new generation, with updated styling, chassis, and powertrain options.

Production

Manufacturing Plant:

Subaru of Indiana Automotive (SIA), Lafayette, Indiana, USA and Gunma Plant, Japan

Production Years Generation:

2003-2009

🏆 Awards & Recognition

Recognitions

IIHS Top Safety Pick:

Yes (for 2005 models, based on frontal and side impact tests)

Ratings

Consumer Reports Reliability:

Generally rated average to above average for this period, with specific model year variations. Engine and transmission health are key.

Certifications

Manual Quality:

Factory-level, professional-grade documentation