Subaru Legacy 2008 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Legacy Year: 2008 Codes Chassis Code: BP/BL Generation Code: Fifth Generation (2003-2009) 👋 Introduction Market Position Vehicle Segment: Mid-size Sedan/Wagon Brand Philosophy: Subaru...

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Legacy

Year:

Codes

Chassis Code:

BP/BL

Generation Code:

Fifth Generation (2003-2009)

👋 Introduction

Market Position

Vehicle Segment:

Mid-size Sedan/Wagon

Brand Philosophy:

Subaru is known for its Symmetrical All-Wheel Drive, horizontally opposed 'Boxer' engines, and a focus on safety and reliability.

Competitive Analysis

Key Competitors:

Toyota Camry, Honda Accord, Mazda6, Nissan Altima, Ford Fusion

Key Features

Drivetrain Standard:

Symmetrical All-Wheel Drive (AWD)

Engine Type Standard:

Horizontally-opposed 'Boxer' engine

Body Styles:

4-door Sedan, 5-door Wagon (Outback Sport also based on Legacy platform)

📋 Manual Details

Coverage Areas

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

Page Count

Estimated Page Count:

Approx. 2500-3500 (typical for comprehensive workshop manuals of this era)

Manual Type

Manual Scope:

Complete Vehicle Repair Manual

📖 Manual Coverage

Systems Covered

Engine:

2.5L Naturally Aspirated EJ253, 2.5L Turbocharged EJ255 (GT trims), 3.0L Naturally Aspirated EZ30D

Transmission:

5-speed Manual (TY757), 4-speed Automatic (430), 5-speed Automatic (5EAT)

Drivetrain:

Symmetrical All-Wheel Drive (AWD) system, differentials, axles, driveshafts

Suspension:

Front MacPherson struts, rear multi-link, springs, dampers, control arms, sway bars

Brakes:

Front and rear disc brakes, ABS, EBD, brake hydraulics, parking brake

Steering:

Power assisted rack and pinion steering system, hydraulic pump, steering column

Electrical:

Battery, charging system, starter, ignition system, lighting, power windows, mirrors, door locks, HVAC controls, instrument cluster, wiring diagrams

Fuel System:

Fuel tank, fuel pump, fuel filter, fuel injectors, fuel lines, EVAP system

Exhaust System:

Catalytic converter, mufflers, exhaust pipes, oxygen sensors

Cooling System:

Radiator, coolant hoses, thermostat, water pump, cooling fans

Climate Control:

HVAC system, A/C compressor, refrigerant lines, evaporator, heater core, controls

Body:

Body panel removal/installation, doors, hood, trunk, glass, seals, interior trim

Restraints:

Airbag system, seat belts, SRS module

Procedures Included

Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotations, spark plug replacement, belt inspection and replacement

Troubleshooting:

Diagnostic procedures for common symptoms, fault codes, electrical issues, engine performance problems

Repair:

Engine overhaul, transmission rebuild, brake component replacement, suspension repair, electrical component repair, body panel repair

Overhaul:

Detailed procedures for engine and transmission disassembly and reassembly

Calibration Adjustment:

Wheel alignment specifications, idle speed adjustments, steering angle sensor calibration

Technical Depth

Diagnostic Procedures:

Comprehensive diagnostic flowcharts, symptom-based troubleshooting, DTC interpretation

Wiring Diagrams:

Detailed electrical schematics for all vehicle systems, including component locations and wire colors

Torque Specifications:

Precise torque values for all fasteners, crucial for engine, drivetrain, and suspension components

Special Tools:

Identification and usage instructions for Subaru-specific or recommended tools for various repair procedures

📊 Manual Specifications

File Format

File Type:

PDF (Portable Document Format)

Searchability:

Searchable text for quick information retrieval

Print Quality

Document Resolution:

High resolution for clear text and legible diagrams

Printability:

Printable for hard copy reference

Binding Type

Binding:

N/A (Digital PDF format)

Paper Type

Paper:

N/A (Digital PDF format)

⚙️ Engine Specifications

Primary Engine

Engine Displacement Na:

2.5 Liters (2498 cc)

Engine Code Na:

EJ253

Engine Configuration Na:

Naturally Aspirated, SOHC or DOHC (depending on specific variant within 2.5L)

Engine Horsepower Na:

Approx. 170-175 hp @ 5600-6000 rpm (varies slightly by year/model)

Engine Torque Na:

Approx. 166-170 lb-ft @ 4000 rpm (varies slightly by year/model)

Turbocharged Engine

Engine Displacement Turbo:

2.5 Liters (2457 cc)

Engine Code Turbo:

EJ255

Engine Configuration Turbo:

Turbocharged, DOHC, intercooled

Engine Horsepower Turbo:

Approx. 243-250 hp @ 5200-5600 rpm

Engine Torque Turbo:

Approx. 247-250 lb-ft @ 2000-5000 rpm

Six Cylinder Engine

Engine Displacement H6:

3.0 Liters (2999 cc)

Engine Code H6:

EZ30D

Engine Configuration H6:

Naturally Aspirated, SOHC

Engine Horsepower H6:

Approx. 245 hp @ 6600 rpm

Engine Torque H6:

Approx. 215 lb-ft @ 4200 rpm

Fuel System

Fuel Delivery:

Multi-Point Fuel Injection (MPFI)

Fuel Type:

Unleaded Gasoline (87 octane recommended for NA, 91+ for Turbo)

Emission Control:

Catalytic Converters, Oxygen Sensors, EGR (on some models)

🔧 Transmission

Standard

Transmission Type Standard:

5-speed Manual

Transmission Code Manual:

TY757

Optional

Transmission Type Optional:

4-speed Automatic (430)

Transmission Type Optional 2:

5-speed Automatic (5EAT - Subaru's electronically controlled automatic transmission)

Features

Drivetrain System:

Symmetrical All-Wheel Drive (AWD) - standard on all trims

AWD Type Manual:

Viscous coupling center differential with mechanical limited-slip rear differential

AWD Type Auto:

Electronically controlled multi-plate clutch center differential with variable torque distribution

Fluid Specifications

Manual Transmission Fluid:

API GL-5, SAE 75W-90 (or as specified in manual)

Automatic Transmission Fluid 4Spd:

ATF-HP (or equivalent Dexron/Mercon compatible, check manual for exact spec)

Automatic Transmission Fluid 5Eat:

ATF-HP (Subaru's proprietary fluid)

📐 Dimensions

Exterior

Length Sedan:

Approx. 187.8 inches

Length Wagon:

Approx. 190.4 inches

Width:

Approx. 69.1 inches

Height Sedan:

Approx. 57.5 inches

Height Wagon:

Approx. 59.3 inches

Wheelbase:

Approx. 105.1 inches

Ground Clearance:

Approx. 5.7 inches (standard models)

Weights

Curb Weight Min:

Approx. 3200 lbs (varies by engine and trim)

Gross Vehicle Weight Rating Gvw:

Check specific model documentation (typically around 4500-4700 lbs)

Cargo

Trunk Volume Sedan:

Approx. 14.7 cu ft

Cargo Volume Wagon Seats Up:

Approx. 38.7 cu ft

Cargo Volume Wagon Seats Down:

Approx. 71.7 cu ft

Wheels Tires

Wheel Size Standard:

16-inch or 17-inch alloy wheels (depending on trim)

Tire Size Standard:

205/55R16, 215/45R17, 215/40R18 (depending on trim)

Bolt Pattern:

5 x 100 mm

Center Bore:

56.1 mm

🛡️ Safety Features

Ratings

NHTSA Frontal Driver 2008:

5 Stars

NHTSA Frontal Passenger 2008:

5 Stars

NHTSA Side Driver 2008:

5 Stars

NHTSA Side Passenger 2008:

5 Stars

NHTSA Side Rear 2008:

5 Stars

NHTSA Rollover 2008:

4 Stars (Rollover resistance rating)

IIHS Front Crashworthiness 2008:

IIHS Side Impact 2008:

IIHS Rear Crash Protection 2008:

Active Features

Standard Anti-lock Braking System

Standard Electronic Brake-force Distribution

Traction Control:

Standard Traction Control System (TCS)

Stability Control:

Standard Vehicle Dynamics Control (VDC)

Passive Features

Airbags Front:

Front dual-stage driver and front passenger airbags

Airbags Side:

Front side-impact airbags

Airbags Curtain:

Side-curtain airbags (front and rear)

Seatbelts:

3-point height-adjustable front seatbelts with pretensioners and force limiters, rear 3-point seatbelts

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for CHildren) system

💡 Technology Features

Infotainment

Audio System:

Standard AM/FM/CD stereo with auxiliary input. Optional premium audio systems with subwoofer and navigation were available.

Navigation:

Optional GPS navigation system, typically integrated into the dashboard display.

Driver Assistance

Cruise Control:

Standard cruise control system.

Keyless Entry:

Standard keyless entry system. Optional proximity key with push-button start on higher trims.

Connectivity

Bluetooth:

Available Bluetooth hands-free connectivity on select trims or as an accessory.

Convenience

Power Accessories:

Power windows, power door locks, power mirrors are standard.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles or 3 months (severe conditions), or 7,500 miles/6 months (normal conditions) - consult manual for specifics.

Air Filter Replacement:

Inspect every 15,000 miles, replace as needed or every 30,000 miles.

Cabin Air Filter Replacement:

Inspect/replace every 15,000 miles or 12 months.

Spark Plug Replacement Na:

Iridium spark plugs: Approx. 60,000 miles. Copper/Platinum: Approx. 30,000 miles (check specific engine variant).

Coolant Replacement:

Initial at 105,000 miles, then every 60,000 miles thereafter (Subaru Super Coolant)

Timing Belt Or Chain:

EJ253/EJ255 engines use a timing belt. Replace every 105,000 miles or 105 months. EZ30D uses a timing chain.

Fluid Specifications

Engine Oil Type:

5W-30 or 0W-20 (check manual for exact engine requirement, API SN or higher)

Engine Oil Capacity:

Approx. 4.8-5.1 quarts (with filter, depending on engine)

Brake Fluid Type:

DOT 3 or DOT 4 (check manual)

Power Steering Fluid:

ATF Dexron II or III (check manual)

Differential Fluid Front Rear:

API GL-5, SAE 75W-90 (or as specified in manual)

Known Issues

Head Gaskets:

While less common on EJ253 than older generations, some EJ255 engines can experience head gasket issues. The EZ30D is generally robust.

Catalytic Converter:

Can fail due to age or engine issues; replacement is costly.

Wheel Bearings:

Can wear prematurely, especially with AWD and potential exposure to road salt/grime.

Suspension Components:

Sway bar links, bushings, and ball joints can wear over time, leading to clunks or poor handling.

Automatic Transmission Shifting:

Some 5EAT transmissions can develop shifting issues; regular fluid changes are critical.

📚 Vehicle History

Brand Heritage

Brand Origin:

Japan

Brand Founding:

1953 (Fuji Heavy Industries Ltd.)

Model Evolution

First Generation Launch:

Generation Fifth Start:

Generation Fifth End:

Refresh 2008:

Mid-cycle refresh for the fifth generation, featuring updated styling, interior refinements, and some feature enhancements.

Production

Assembly Location:

Gunma Plant, Ota, Gunma Prefecture, Japan

🏆 Awards & Recognition

Recognitions

IIHS Top Safety Pick 2008:

Subaru Legacy models for 2008 generally received good safety ratings, aligning with IIHS Top Safety Pick criteria for the era.

Kbb Best Resale Value:

Subaru vehicles, including the Legacy, have historically been recognized for strong resale value.

Ratings

Consumer Satisfaction:

Generally good consumer satisfaction for reliability and AWD capability.

Certifications

Emissions Certification:

Compliant with EPA and CARB emissions standards for the model year.