Subaru Legacy 2009 Service Repair Manual

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

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标签: 2009 Car Cars Legacy Misc Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Legacy

Year:

Generation

Generation Code:

Fifth Generation (BP/BL)

Codes

Chassis Code:

BP (Wagon), BL (Sedan)

👋 Introduction

Market Position

Segment:

Mid-size Sedan/Wagon

Target Audience:

Enthusiasts, DIY mechanics, professional technicians.

Competitive Analysis

Key Competitors:

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

Key Features

Standard Symmetrical All-Wheel Drive (AWD) across most trims, Boxer engine, reputable safety record.

Manual Advantage:

Provides detailed, manufacturer-approved procedures for repairs and maintenance, superior to generic online guides.

📋 Manual Details

Coverage Areas

Regions Covered:

Global (North America, Europe, Asia)

Page Count

Estimated Pages:

Over 2000 pages (typical for comprehensive service manuals)

Manual Type

Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication, cooling.

Engine Management:

Fuel injection, ignition system, emissions control, sensors, actuators, ECU operation, diagnostics.

Transmission Manual:

Clutch, gearbox assembly, shift mechanisms, final drive (for manual transmission variants).

Transmission Automatic:

Automatic transmission operation, valve body, torque converter, electronic controls, fluid types, overhaul procedures (for automatic transmission variants).

Drivetrain:

All-Wheel Drive (AWD) system, front and rear differentials, driveshafts, CV joints.

Suspension:

Front and rear suspension components, struts, shocks, springs, bushings, alignment specifications.

Steering:

Power steering system, steering rack, tie rods, steering column, alignment.

Brakes:

Brake system components (discs, pads, calipers, master cylinder), ABS, EBD, brake fluid specifications, bleeding procedures.

Electrical System:

Battery, charging system, starter, lighting, power windows, mirrors, wipers, horn, fuses, relays, wiring diagrams.

Body And Chassis:

Body panels, doors, hood, trunk, interior trim, chassis structure, anti-corrosion.

HVAC:

Heating, ventilation, and air conditioning system, refrigerant, diagnosis, component replacement.

Safety Systems:

Airbags, seatbelts, SRS module, safety restraint system.

Infotainment And Comfort:

Audio system, navigation (if equipped), climate control interfaces.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation.

Scheduled Maintenance:

Specific maintenance items at defined mileage or time intervals.

Troubleshooting:

Diagnostic flowcharts for common issues, symptom-based troubleshooting.

Repair Procedures:

Step-by-step instructions for component replacement and repair.

Diagnostics:

OBD-II codes, sensor data interpretation, diagnostic tool usage.

Component Removal And Installation:

Detailed instructions for disassembling and reassembling major vehicle components.

Torque Specifications:

Precise torque values for critical fasteners.

Wiring Diagrams:

Comprehensive electrical circuit diagrams for all systems.

Technical Depth

Depth:

Comprehensive (from basic maintenance to full engine/transmission rebuilds).

📊 Manual Specifications

File Format

File Type:

Searchability:

Searchable text content

Printability:

Printable pages

Print Quality

Image Resolution:

High-resolution images and diagrams

Binding Type

Binding:

N/A (Digital PDF)

Paper Type

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine Code 2.5L:

EJ253

Engine Type 2.5L:

2.5L Flat-4 (Boxer) SOHC Naturally Aspirated

Displacement 2.5L:

2457 cc (149.9 cu in)

Bore X Stroke 2.5L:

99.5 mm x 79.0 mm (3.92 in x 3.11 in)

Compression Ratio 2.5L:

9.7:1

Horsepower 2.5L:

170 hp @ 5,800 rpm (approx.)

Torque 2.5L:

170 lb-ft @ 4,400 rpm (approx.)

Engine Code 3.0L:

EZ30D

Engine Type 3.0L:

3.0L Flat-6 (Boxer) DOHC Naturally Aspirated

Displacement 3.0L:

3000 cc (183.1 cu in)

Horsepower 3.0L:

243 hp @ 6,600 rpm (approx.)

Torque 3.0L:

219 lb-ft @ 5,000 rpm (approx.)

Fuel System

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Recommended Fuel:

87 Octane Unleaded (for 2.5L), 87 Octane Unleaded Recommended (for 3.0L, premium may offer slight benefit)

Performance

Engine Orientation:

Horizontally-opposed (Boxer)

Valvetrain:

DOHC 4 valves per cylinder with Variable Valve Lift (VVL) on 3.0L, SOHC 2 valves per cylinder on 2.5L

🔧 Transmission

Standard

Transmission 2.5L:

5-speed Manual Transmission (MT)

Transmission 3.0L:

5-speed Automatic Transmission (AT)

Optional

Transmission 2.5L:

4-speed Automatic Transmission (AT)

Transmission 3.0L:

N/A (5-speed AT standard)

Features

AWD System:

Symmetrical All-Wheel Drive (AWD)

AWD Type Manual:

Viscous coupling center differential with asymmetrical torque split.

AWD Type Automatic:

Electronically controlled multi-plate transfer clutch with variable torque split.

Fluid Specifications

Automatic Transmission Fluid:

Subaru ATF HP (or equivalent)

Manual Transmission Fluid:

Subaru Extra-S MT Fluid (or GL-5 75W-90 synthetic gear oil)

📐 Dimensions

Exterior Sedan

Length:

4745 mm (186.8 in)

Width:

1770 mm (69.7 in)

Height:

1445 mm (56.9 in)

Exterior Wagon

Length:

4730 mm (186.2 in)

Width:

1770 mm (69.7 in)

Height:

1500 mm (59.1 in)

Exterior

Wheelbase:

2750 mm (108.3 in)

Front Track:

1515 mm (59.6 in)

Rear Track:

1515 mm (59.6 in)

Weights

Curb Weight 2.5L:

1450-1550 kg (3200-3417 lbs) approx.

Curb Weight 3.0L:

1550-1600 kg (3417-3527 lbs) approx.

Cargo

Cargo Volume Sedan:

450 L (15.9 cu ft) approx.

Cargo Volume Wagon:

841 L (29.7 cu ft) with rear seats up, 1756 L (62.0 cu ft) with rear seats folded.

🛡️ Safety Features

Ratings

NHTSA Front Crash Test Driver:

5 Stars

NHTSA Front Crash Test Passenger:

5 Stars

NHTSA Side Crash Test Front Seat:

5 Stars

NHTSA Side Crash Test Rear Seat:

5 Stars

IIHS Top Safety Pick:

Active Features

Standard 4-wheel Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD).

Traction Control:

Standard Traction Control System (TCS).

Stability Control:

Standard Vehicle Dynamics Control (VDC).

Passive Features

Airbags:

Standard front dual-stage airbags, front side-impact airbags, side curtain airbags.

Seatbelts:

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

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for Children) system.

💡 Technology Features

Infotainment

Audio System:

Standard CD player with AM/FM radio, auxiliary input. Optional premium audio systems and in-dash CD changer available on higher trims.

Navigation:

Optional in-dash DVD-based navigation system available on Limited trims.

Driver Assistance

Cruise Control:

Standard electronic cruise control.

Tire Pressure Monitoring:

Available Tire Pressure Monitoring System (TPMS).

Connectivity

Auxiliary Input:

Standard 3.5mm auxiliary audio input jack.

Bluetooth:

Not standard. Available as an accessory or aftermarket installation.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles or 3 months (severe driving) or 7,500 miles or 6 months (normal driving), using synthetic oil recommended.

Engine Air Filter Replacement:

Every 30,000 miles or 24 months.

Cabin Air Filter Replacement:

Every 15,000 miles or 12 months.

Spark Plug Replacement 2.5L:

Every 60,000 miles (platinum tipped).

Spark Plug Replacement 3.0L:

Every 60,000 miles (iridium tipped).

Timing Belt Replacement:

Not applicable (uses a timing chain).

Fluid Specifications

Engine Oil Capacity 2.5L:

4.5 US quarts (4.3 L) with filter change (5W-30 synthetic recommended).

Engine Oil Capacity 3.0L:

5.8 US quarts (5.5 L) with filter change (5W-30 synthetic recommended).

Coolant:

Subaru Super Coolant (blue) or equivalent (50/50 mix with distilled water).

Brake Fluid:

DOT 3 or DOT 4.

Known Issues

Head Gaskets:

While less common on the EJ253 compared to earlier EJ25 iterations, head gasket leaks can still occur. The manual will detail inspection and replacement procedures.

Automatic Transmission Shifting:

Some reports of occasional rough shifting or delayed engagement, which could be related to fluid degradation or solenoids. Manual will cover diagnostics.

Rear Wheel Bearings:

Increased mileage can lead to wear on rear wheel bearings, causing humming or grinding noises. Manual covers replacement.

Suspension Component Wear:

Worn control arm bushings, ball joints, and sway bar links are common wear items that can affect ride quality and handling. Manual provides inspection and replacement guidance.

📚 Vehicle History

Brand Heritage

Brand Focus:

Subaru's heritage is rooted in aviation engineering, which influenced its early adoption of boxer engines and all-wheel drive for enhanced stability and traction.

Model Evolution

Fifth Generation Intro:

The 2009 model year marks the final year of the fourth generation (BP/BL) Legacy, known for its refined chassis and improved interior comfort.

Production

Manufacturing Location:

Gunma Plant, Japan

Production Years Generation:

2003-2009

🏆 Awards & Recognition

Recognitions

IIHS Award:

Consistently earned the IIHS Top Safety Pick designation for its excellent crash test performance.

Consumer Reports Reliability:

Generally rated as average to good for reliability by consumer organizations, with specific model years and powertrains having varying scores. The manual helps address potential issues.