2009 Subaru Legacy Outback Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Legacy Outback Year: 2009 Codes Chassis Code: BP Platform: Subaru Global Platform (precursor architecture) 👋 Introduction Market Position Segment: Mid-size Crossover SUV /...

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Type: Car

Vendor:

Sku: 287956

Tags: 2009 Car Cars Legacy Misc Outback Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Legacy Outback

Year:

Codes

Chassis Code:

Platform:

Subaru Global Platform (precursor architecture)

👋 Introduction

Market Position

Segment:

Mid-size Crossover SUV / Wagon

Key Competitors:

Toyota RAV4, Honda CR-V, Ford Escape, Nissan Rogue, Mazda CX-5.

Competitive Analysis

Distinguishing Factors:

Standard Symmetrical All-Wheel Drive, horizontally-opposed 'Boxer' engines, excellent handling and ride comfort, practical cargo space, robust build quality.

Key Features

Vehicle Philosophy:

Versatile wagon/SUV that blends car-like handling with all-weather capability and practical space.

Manual Value:

Essential for DIY enthusiasts and professional mechanics to maintain, diagnose, and repair the 2009 Subaru Legacy Outback effectively.

📋 Manual Details

Coverage Areas

Coverage Scope:

Comprehensive service, repair, and diagnostic information for the 2009 Subaru Legacy Outback.

Page Count

Estimated Pages:

~2000-2500+ (typical for a complete service manual)

Manual Type

Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered

Engine:

Engine mechanical, lubrication, cooling, fuel, ignition, emission control, starting, charging.

Transmission:

Automatic Transmission (4EAT, 5EAT) and Manual Transmission (5MT, 6MT) overhaul, diagnostics, and fluid services.

Drivetrain:

Front and rear differentials, driveshafts, CV joints, AWD system operation and repair.

Suspension:

Front and rear suspension components, alignment specifications, shock absorbers, springs, bushings.

Steering:

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

Brakes:

Hydraulic brake system, ABS, EBD, brake pads, rotors, calipers, lines, master cylinder, parking brake.

Electrical:

Charging system, starting system, battery, lighting, wipers, horn, power windows, mirrors, seats, locks, fuses, relays, wiring diagrams.

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system operation, diagnostics, refrigerant handling, climate control unit.

Body:

Body panels, doors, hood, trunk, bumpers, glass, interior trim, exterior trim, chassis structure.

Safety Systems:

Airbag system, SRS components, seat belts, pretensioners, diagnostic procedures.

Procedures Included

Routine Maintenance:

Oil change, filter replacement, fluid level checks, tire rotation, spark plug replacement, brake pad inspection.

Troubleshooting:

System-specific diagnostic flowcharts, symptom-based troubleshooting guides, fault code interpretation.

Major Repairs:

Engine overhaul, transmission rebuild, suspension component replacement, brake system bleeding, clutch replacement.

Diagnostics:

OBD-II diagnostic trouble codes (DTCs), live data interpretation, sensor testing, actuator testing.

Electrical Diagnostics:

Wiring diagrams interpretation, continuity testing, voltage drop testing, signal tracing.

Technical Depth

Depth:

Expert-level, covering everything from basic maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and wiring diagrams.

📊 Manual Specifications

File Format

Format Type:

PDF (Portable Document Format)

Print Quality

Resolution:

High-resolution, suitable for printing individual pages or sections.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper:

N/A (Digital Download)

Searchability

Text Search:

Fully searchable text for quick information retrieval.

⚙️ Engine Specifications

Primary Engine

Engine Code:

EJ253 (2.5L SOHC) and EZ30D (3.0L DOHC H6)

Displacement 2.5I:

2.5 Liters (2498cc)

Cylinders 2.5I:

4 (Horizontally-Opposed Boxer)

Bore X Stroke 2.5I:

99.5 mm x 80.0 mm

Compression Ratio 2.5I:

9.7:1

Horsepower 2.5I:

170 HP @ 5800 RPM

Torque 2.5I:

170 lb-ft @ 4400 RPM

Displacement 3.0R:

3.0 Liters (2999cc)

Cylinders 3.0R:

6 (Horizontally-Opposed Boxer H6)

Bore X Stroke 3.0R:

89.2 mm x 79.0 mm

Compression Ratio 3.0R:

10.7:1

Horsepower 3.0R:

245 HP @ 6600 RPM

Torque 3.0R:

215 lb-ft @ 4200 RPM

Fuel System

Fuel Type:

Unleaded Gasoline

Injection System:

Sequential Multi-Port Fuel Injection (MPI)

Ignition System:

Distributorless Ignition System (DIS) with Coil-on-Plug (COP)

🔧 Transmission

Standard

Transmission Type 2.5I:

5-Speed Manual Transmission (5MT)

Transmission Type 3.0R:

5-Speed Automatic Transmission (5EAT)

Optional

Transmission Type 2.5I Optional:

4-Speed Automatic Transmission (4EAT)

Features

AWD System:

Standard Symmetrical All-Wheel Drive with viscous coupling center differential (MT) or electronically controlled multi-plate transfer clutch (AT).

Transmission Fluid Spec 4Eat:

Subaru ATF HP (Dexron III/Mercon compatible)

Transmission Fluid Spec 5Eat:

Subaru ATF HP

Transmission Fluid Spec Manual:

API GL-5, SAE 75W-90 Gear Oil

📐 Dimensions

Exterior

Length:

4785 mm (188.4 in)

Width:

1770 mm (69.7 in)

Height:

1585 mm (62.4 in)

Wheelbase:

2745 mm (108.1 in)

Ground Clearance:

200 mm (7.9 in)

Cargo

Cargo Volume Seats Up:

Approximately 33.5 cu ft (behind rear seats)

Cargo Volume Seats Down:

Approximately 70.4 cu ft (with rear seats folded)

Weights

Curb Weight 2.5I Auto:

~1560 kg (3439 lbs)

Curb Weight 3.0R Auto:

~1610 kg (3549 lbs)

Towing Capacity:

1088 kg (2400 lbs) (with trailer brakes)

🛡️ Safety Features

Ratings

NHTSA Front Impact:

5-Star Driver and Passenger

NHTSA Side Impact:

5-Star Front and Rear Passengers

IIHS Frontal Offset:

IIHS Side Impact:

Active Features

Standard Anti-lock Braking System (ABS)

Standard Electronic Brake-force Distribution (EBD)

Traction Control:

Standard Traction Control System (TCS)

Standard Vehicle Stability Control (VSC)

Passive Features

Airbags:

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

Seatbelts:

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

Child Anchors:

LATCH (Lower Anchors and Tethers for Children) system in rear seats.

💡 Technology Features

Infotainment

Head Unit Options:

Standard AM/FM/CD player with auxiliary input. Optional premium audio systems and subwoofer available. Some models may have optional navigation systems.

Display:

Multi-function display for climate, audio, and vehicle status information.

Driver Assistance

Cruise Control:

Standard electronic cruise control.

Power Adjustments:

Available power adjustable driver and passenger seats, power windows, power mirrors, power sunroof.

Connectivity

Auxiliary Input:

Standard 3.5mm auxiliary audio input jack.

Bluetooth:

Optional Bluetooth hands-free connectivity and audio streaming on some trims/packages.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles or 3.75 months (severe conditions) or 7,500 miles or 7.5 months (normal conditions), whichever comes first. Refer to manual for details.

Engine Oil Filter Replacement:

At every oil change.

Air Filter Replacement:

Every 15,000 miles or 15 months.

Cabin Air Filter Replacement:

Every 15,000 miles or 15 months.

Spark Plug Replacement 2.5I:

105,000 miles ( iridium-tipped plugs).

Spark Plug Replacement 3.0R:

105,000 miles (iridium-tipped plugs).

Coolant Replacement:

First replacement at 7.5 years or 75,000 miles, then every 4 years or 45,000 miles thereafter.

Timing Belt Replacement:

N/A (This generation uses a timing chain).

Fluid Specifications

Engine Oil Spec 2.5I:

SAE 0W-20 (API SN or ILSAC GF-5 compliant)

Engine Oil Spec 3.0R:

SAE 5W-30 (API SN or ILSAC GF-5 compliant)

Coolant Spec:

Subaru Super Coolant (or equivalent Subaru-approved P-OAT coolant).

Brake Fluid Spec:

SAE J1703 or FMVSS 116 DOT 3

Known Issues

Head Gaskets:

While less prevalent in the 2.5L SOHC engine compared to earlier DOHC versions, some instances may occur. The 3.0L H6 is generally more robust in this regard.

Suspension Wear:

Front sway bar links and rear trailing arm bushings can be common wear items due to vehicle weight and typical usage.

Automatic Transmission Concerns:

Some users report occasional hesitation or rough shifting with the 4EAT transmission; the 5EAT is generally smoother. Regular fluid changes are critical.

Wheel Bearings:

Can experience wear over time, particularly with high mileage or exposure to harsh conditions.

📚 Vehicle History

Brand Heritage

Brand Focus:

Subaru is renowned for its Symmetrical All-Wheel Drive system and boxer engines, emphasizing safety, reliability, and capability.

Model Evolution

Third Generation:

The 2009 model year is part of the third generation (BP/BL) Legacy, which ran from 2003 to 2009. The Outback variant was introduced as a distinct model from the sedan/wagon Legacy in this generation.

Design Philosophy Third Gen:

A more refined and mature design compared to previous generations, offering increased interior space and improved aerodynamics.

Production

Manufacturing Location:

Gunma Plant, Japan.

🏆 Awards & Recognition

Recognitions

IIHS Top Safety Pick:

The 2009 Subaru Legacy Outback generally received high safety marks from organizations like the IIHS and NHTSA.

Consumer Reports Ratings:

Historically, Subaru vehicles have received positive ratings from Consumer Reports for reliability and performance, though specific model year ratings vary.

Certifications

Emissions Standards:

Meets EPA and California (CARB) emissions standards for the model year.