🏷️ Basic Information

Make:

Subaru

Model:

Legacy and Outback

Year:

2010

Generation:

Fifth Generation (2010-2014)

Chassis Code:

BM/BR

👋 Introduction

Market Position:

The 2010 Subaru Legacy and Outback represent Subaru's mid-size sedan and crossover wagon offerings, known for their Symmetrical All-Wheel Drive system, boxer engines, and practical, durable nature. This manual targets owners and independent repair shops seeking dealer-level technical information.

Competitive Analysis:

Competes with vehicles like the Toyota Camry, Honda Accord, Ford Fusion, and in the Outback's case, crossover SUVs and wagons from manufacturers like Audi (A4 Allroad), Volvo (V60 Cross Country), and other AWD vehicles. Its unique boxer engine and AWD platform are key differentiators.

Key Features:

Symmetrical All-Wheel Drive (standard), horizontally-opposed "boxer" engines, practical interior space, robust build quality, and a strong emphasis on safety and all-weather capability.

Target Audience:

Subaru owners, independent auto repair shops, and automotive technicians specializing in Subaru vehicles.

Manual Origin:

Same type of service manual used by local Subaru dealerships.

📋 Manual Details

Coverage Areas:

Complete Service and Repair for Subaru Legacy and Outback 2010 models, including Engine, Transmission (Automatic and Manual), Chassis, Body, Electrical Systems, and Diagnostics.

Page Count:

More than 7,000 pages

Manual Type:

Digital Service and Repair Manual

Language:

English

Format:

PDF

Completeness:

100% complete and intact, no missing or corrupt pages/sections.

Provider Assurance:

Guaranteed to be 100% complete and intact, no missing or corrupt pages/sections.

📖 Manual Coverage

Systems Covered:

Engine Mechanical (including timing belt/chain, lubrication, cooling, fuel, ignition), Engine Control Systems (ECM, sensors, actuators), Automatic Transmission (5AT), Manual Transmission (6MT) and Differential, Clutch System, Chassis (Front Suspension, Rear Suspension, Wheel and Tire System, Differentials, Transfer Case, Drive Shaft System, Brake System, Parking Brake, Power Steering), Body (HVAC, Airbag System, Seat Belt System, Lighting System, Wiper and Washer Systems, Communication System, Entertainment System), Electrical Systems (Wiring Diagrams for all major systems including ABS, VDC, Airbag, Audio, HVAC, Power Windows, Locks, Lighting, Engine Control, Transmission Control, etc.), and Diagnostics for various systems.

Procedures Included:

Detailed step-by-step repair and service procedures, including diagnostics, troubleshooting, component removal and installation, overhaul, adjustments, and technical specifications. Covers everything from routine maintenance to complete disassembly and reassembly.

Technical Depth:

Comprehensive, covering both basic do-it-yourself maintenance tasks and in-depth repair procedures for experienced mechanics. Includes detailed diagrams, illustrations, torque specifications, and diagnostic flowcharts.

Diagnostic Tools Covered:

References procedures using Subaru Select Monitor (SSM) or equivalent OBD-II diagnostic tools for reading Diagnostic Trouble Codes (DTCs) and performing system checks.

Wiring Diagrams Coverage:

Extensive wiring diagrams covering all major vehicle systems, including power supply, ground circuits, CAN communication, and individual system harnesses (engine, transmission, chassis, body, etc.).

Troubleshooting Methodology:

Utilizes symptom-based troubleshooting, diagnostic tables, and code-specific diagnostic procedures.

Body Repair Coverage:

Includes procedures for body panel alignment, door mechanisms, glass replacement, and structural components.

Climate Control Coverage:

Comprehensive coverage of HVAC systems, including A/C compressor, refrigerant handling, heater core, blower motor, and automatic climate control diagnostics.

Engine Diagnostics Coverage:

Detailed diagnostic procedures for engine performance issues, emissions control systems, fuel injection, ignition timing, and sensor operations.

Transmission Diagnostics Coverage:

Specific diagnostic procedures for both 5AT and 6MT transmissions, including shift solenoids, torque converter operation, clutch engagement, and gear synchronization issues.

Electrical System Diagnostics Coverage:

Includes diagnostics for lighting systems, power accessories, audio systems, airbags, instrument cluster, keyless entry, and body control modules.

Body Control Modules Coverage:

Details on the function and diagnostics of various Body Control Modules (BCMs) and related electronic systems.

Exhaust System Coverage:

Includes repair and diagnostic information for the exhaust manifold, catalytic converter, mufflers, and oxygen sensors.

Airbag System Diagnostics Coverage:

Covers SRS (Supplemental Restraint System) component testing, airbag module replacement, and crash sensor diagnostics.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution, printable without restriction. All pages are intact and not corrupt.

Binding Type:

Digital Download (PDF)

Paper Type:

N/A (Digital)

File Quality:

Scanned: No (Implies original digital format, likely high quality).

Usability:

Designed for both do-it-yourselfers and experienced mechanics; printable pages allow for portability in the garage.

⚙️ Engine Specifications

Primary Engine Options:

2.5L EJ253 SOHC (Naturally Aspirated), 2.5L EJ255 DOHC (Turbocharged), 3.6L EZ36D DOHC (Naturally Aspirated).

Horsepower Range:

Approximately 170 hp (2.5L NA) to 256 hp (3.6L).

Fuel System:

Electronic Fuel Injection (EFI)

Engine Code Notes:

The manual covers specific diagnostic and repair procedures for EJ253, EJ255, and EZ36D engine families used in this model year.

Engine Codes:

EJ253 (2.5L SOHC NA), EJ255 (2.5L DOHC Turbo), EZ36D (3.6L DOHC NA)

🔧 Transmission

Standard Transmission:

5-Speed Automatic Transmission (5AT)

Optional Transmission:

6-Speed Manual Transmission (6MT) available on certain Legacy trims.

Transmission Features:

All-Wheel Drive integrated with both transmission types. The 5AT typically includes Subaru's Electronic Direct Control (EDC) technology. The manual details specific fluid types and capacities for both.

📐 Dimensions

Exterior Dimensions Notes:

Dimensions vary slightly between Legacy sedan and Outback wagon. Refer to specific sections within the manual for exact figures.

Cargo Capacity Notes:

Outback offers significantly more cargo space than the Legacy sedan, particularly with rear seats folded. Manual provides details on accessing and servicing cargo area components.

Curb Weight Range:

Approximately 3,400 - 3,800 lbs (1542 - 1724 kg) depending on configuration.

🛡️ Safety Features

Safety Ratings Notes:

Typically achieved high safety ratings in NHTSA and IIHS crash tests for its model year, often receiving 'Top Safety Pick' designations. Manual includes details on airbag systems and seat belt pre-tensioners.

Active Safety Features:

Standard Symmetrical All-Wheel Drive, standard ABS with Electronic Brake-force Distribution (EBD), Brake Assist, Traction Control System (TCS), and standard Vehicle Dynamics Control (VDC). Outback models may have more advanced AWD features.

Passive Safety Features:

Front and side airbags, curtain airbags, active front headrests, front seatbelt pre-tensioners with force limiters, and a reinforced body structure.

💡 Technology Features

Infotainment Systems:

Covers audio systems (AM/FM, CD, MP3, auxiliary input), optional navigation systems, and Bluetooth connectivity. Manual includes troubleshooting for head units, speakers, and amplifiers.

Driver Assistance Systems:

Details on the operation and diagnostics of the Tire Pressure Monitoring System (TPMS), Vehicle Dynamics Control (VDC), ABS, and Traction Control.

Connectivity Features:

Includes information on keyless entry, power door locks, power windows, remote engine start (if equipped), and steering wheel audio controls. Also covers the CAN communication system.

🔧 Maintenance

Service Intervals Notes:

The manual details recommended service intervals for oil changes, filter replacements, coolant flushes, brake fluid changes, transmission fluid changes (both AT and MT), differential fluid changes, and spark plug replacement based on mileage and driving conditions (e.g., normal vs. severe service).

Fluid Specifications:

Provides specific Subaru-approved fluid specifications: engine oil (e.g., 0W-20 Synthetic), transmission fluid (ATF-HP for 5AT, GL-5 75W-90 for 6MT and differentials), brake fluid (DOT 3 or DOT 4), coolant (Subaru Super Coolant), power steering fluid (Subaru Special ATF or equivalent).

Common Issues Notes:

While generally reliable, common issues addressed in comprehensive manuals like this might include: head gasket leaks (less common on later EJ engines but still a consideration), oil consumption, potential CVT issues (though this manual covers 5AT and 6MT), minor electrical glitches, and suspension wear over time. The manual provides diagnostic procedures for all these.

Maintenance Schedule Type:

Detailed, covering scheduled maintenance and conditional repairs based on diagnostic codes and component wear.

Torque Specifications Availability:

Detailed torque specifications are provided for all critical fasteners and components.

Parts Replacement Procedures:

Detailed, illustrated procedures for replacing all major wear items and components, including brakes, suspension parts, engine components, and body trim.

Lubrication Points:

Details on chassis lubrication points, suspension pivot points, and driveshaft U-joints.

📚 Vehicle History

Brand Heritage:

Subaru, a division of Subaru Corporation, has a long history of producing vehicles with horizontally-opposed engines and All-Wheel Drive, establishing a reputation for reliability, durability, and capability in diverse conditions.

Model Evolution 2010:

The 2010 model year marked the debut of the fifth generation Legacy (BM/BR). The Outback, previously a trim of the Legacy wagon, became a distinct model based on the Legacy platform, featuring increased ground clearance and rugged styling. This generation moved production to Lafayette, Indiana, USA.

Production Location:

Subaru of Indiana Automotive (SIA), Lafayette, Indiana, USA.

Model Segment:

Mid-size Sedan (Legacy) and Mid-size Crossover/Wagon (Outback).

🏆 Awards & Recognition

Awards Notes:

Subaru vehicles, including the Legacy and Outback, have consistently received accolades for safety (IIHS Top Safety Pick), resale value, and all-wheel-drive performance from various automotive publications. Specific awards for the 2010 model year can be found in automotive historical archives.

📄 Vehicle Specs

Drivetrain:

Symmetrical All-Wheel Drive (Standard on all trims)

Platform:

Subaru Global Platform (for this generation, though often referred to as the 5th Gen chassis).

Suspension Type:

Front: MacPherson strut with L-arm; Rear: Multi-link strut (variable by specific model/trim).

Brake System Type:

Front: Ventilated Disc; Rear: Disc (Solid or Ventilated depending on trim). Standard ABS, EBD, BA, TCS, VDC.

Wheelbase Range:

Approximately 109.8 inches (2789 mm) for Legacy, and 107.9 inches (2740 mm) for Outback.

Steering Type:

Power-assisted rack and pinion steering.

Tire Size Range:

Commonly 205/55R16, 205/50R17, 215/55R17, 225/60R17 (depending on trim and model).

Fuel Type:

Unleaded Gasoline

Battery Type:

Group Size 24F or equivalent, typically 500-650 CCA.