Subaru Legacy 2012 Workshop Repair Service Manual

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🏷️ Basic Information Identification Make: Subaru Model: Legacy Year: 2012 Codes Chassis Code: BM/BR 👋 Introduction Market Position Segment: Mid-size sedan/wagon Key Selling Points: Symmetrical All-Wheel Drive (standard on most...

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Legacy

Year:

Codes

Chassis Code:

BM/BR

👋 Introduction

Market Position

Segment:

Mid-size sedan/wagon

Key Selling Points:

Symmetrical All-Wheel Drive (standard on most trims), boxer engines, safety, reliability, comfortable ride.

Competitive Analysis

Primary Competitors:

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

Key Features

Standard AWD:

Engine Layout:

Horizontally opposed (Boxer)

📋 Manual Details

Coverage Areas

All Models Engines Trims Transmissions:

Page Count

Estimated Pages:

Over 2000 (typical for full workshop manuals)

Manual Type

Type:

Workshop Repair Service Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, disassembly, inspection, repair, timing belt/chain, lubrication system, cooling system, fuel system, ignition system, emission control systems, engine diagnostics.

Engine Management:

ECU operation, sensor inputs/outputs, diagnostic trouble codes (DTCs), driveability issues, fuel injection control, ignition timing control.

Transmission Manual:

Clutch system, gear engagement, input/output shafts, bearings, seals, lubrication, repair procedures.

Transmission Automatic:

Torque converter, planetary gear sets, valve body, hydraulic control system, transmission control module (TCM), fluid service, diagnostics, repair.

Drivetrain:

Front wheel drive, all-wheel drive (AWD) system, propeller shaft, differential, axles, CV joints, wheel bearings.

Suspension:

Front struts, rear shock absorbers, control arms, ball joints, bushings, anti-roll bars, wheel alignment specifications.

Steering:

Power steering system (hydraulic or electric), steering rack, tie rods, steering column, alignment.

Brakes:

Front and rear disc brakes, ABS system, brake booster, master cylinder, brake lines, parking brake, fluid specifications, bleeding procedures.

Electrical System:

Battery, charging system (alternator), starting system (starter motor), lighting system, horn, wipers, power windows, central locking.

Body And Chassis:

Frame construction, body panels, doors, hood, trunk, bumpers, glass, interior trim, sound deadening.

HVAC:

Air conditioning system, heater core, blower motor, climate control unit, refrigerant, diagnostic and repair.

Safety Systems:

Airbag system, SRS module, seat belt pre-tensioners, occupant sensors, deactivation procedures.

Infotainment And Electronics:

Audio system, navigation, Bluetooth connectivity, instrument cluster, warning lights, wiring diagrams for electronic modules.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, brake pad replacement, tire rotation.

Troubleshooting:

Diagnostic flowcharts for common problems, identification of causes and symptoms, step-by-step diagnostic procedures.

Repair Procedures:

Detailed step-by-step instructions for component removal, installation, and adjustment for all major systems.

Rebuilding Procedures:

Complete engine and transmission rebuild instructions, including specifications for critical components.

Electrical Diagnostics:

Wiring diagrams, component testing procedures, fuse and relay locations and specifications.

Specification Data:

Torque specifications, clearances, fluid capacities, electrical values, diagnostic parameters.

Special Tools:

Identification and usage of specialized tools required for specific repair or maintenance tasks.

Technical Depth

Depth:

Comprehensive from basic maintenance to complete engine and transmission overhauls, including advanced diagnostics and component-level repair.

📊 Manual Specifications

File Format

PDF Quality:

High-resolution, searchable text, printable pages.

Print Quality

Printability:

Designed for easy printing of individual sections or the entire manual.

Binding Type

Binding:

N/A (Digital PDF)

Paper Type

Paper Quality:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine Code 2.5I:

EJ253

Engine Type 2.5I:

2.5L Flat-4 (Boxer) Naturally Aspirated

Displacement 2.5I:

2457 cc

Horsepower 2.5I:

170 hp @ 5600 rpm

Torque 2.5I:

170 lb-ft @ 4000 rpm

Optional Engine

Engine Code 3.6R:

EZ36D

Engine Type 3.6R:

3.6L Flat-6 (Boxer) Naturally Aspirated

Displacement 3.6R:

3630 cc

Horsepower 3.6R:

256 hp @ 6000 rpm

Torque 3.6R:

247 lb-ft @ 4400 rpm

Fuel System

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (87 octane recommended for 2.5i, 91 octane recommended for 3.6R)

🔧 Transmission

Standard

Transmission 2.5I Trims:

6-speed Manual (some trims)

Optional

Transmission All Trims:

5-speed Automatic (4EAT) (standard on many 2.5i trims, standard on 3.6R with SI-Drive)

Transmission 3.6R:

5-speed Automatic (4EAT) with SI-Drive

Features

AWD System Type:

Symmetrical All-Wheel Drive with Electronic Control (Active AWD on automatic transmission models)

📐 Dimensions

Exterior

Length:

189.2 inches

Width:

70.7 inches

Height:

58.1 inches

Wheelbase:

109.4 inches

Weights

Curb Weight Min:

3340 lbs (2.5i Manual)

Curb Weight Max:

3670 lbs (3.6R Automatic)

🛡️ Safety Features

Ratings

NHTSA Overall Rating:

5-Star (for 2012 models)

IIHS Top Safety Pick:

Yes (for 2012 models)

Active Features

Standard

Traction Control:

Standard

Electronic Stability Control:

Standard

Passive Features

Airbags:

Front, front side-impact, side-curtain airbags

Seatbelts:

Front seat belt pretensioners, height-adjusters

💡 Technology Features

Infotainment

Audio System:

Standard AM/FM/CD/MP3 player with auxiliary input. Optional premium audio, touch-screen navigation systems were available.

Connectivity:

Bluetooth hands-free calling and audio streaming available on higher trims or as an option.

Driver Assistance

Cruise Control:

Standard

Rearview Camera:

Optional on some trims

Si Drive:

Standard on 3.6R models, allowing drivers to select between Intelligent, Sport, and Sport Sharp modes to alter engine and transmission response.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles or 6 months (severe duty) or 7,500 miles or 12 months (normal duty), depending on driving conditions.

Engine Oil Type:

SAE 0W-20 Synthetic

Timing Belt Replacement 2.5I:

Recommended every 105,000 miles (EJ253 engine uses a timing belt).

Spark Plug Replacement:

Approximately every 60,000 miles (depending on plug type, iridium recommended).

Transmission Fluid Change Automatic:

Recommended every 30,000-45,000 miles.

Fluid Specifications

Coolant Type:

Subaru Super Coolant (Blue) or equivalent silicate-free, long-life coolant.

Brake Fluid Type:

DOT 3 or DOT 4

Power Steering Fluid Type:

Subaru Genuine Power Steering Fluid or Dexron III/Mercon compatible fluid.

Known Issues

Oil Consumption:

Some EJ25 engines can exhibit oil consumption; monitoring oil levels regularly is advised.

Cvt Issues If Applicable:

While this 2012 model primarily used automatics or manuals, later Subarus saw CVT issues; the manual addresses the 5-speed auto.

Suspension Wear:

Bushings and struts can wear over time, leading to noise or handling issues.

📚 Vehicle History

Brand Heritage

Subaru Origins:

Founded as Fuji Heavy Industries in 1953, entered automotive market with Subaru 360.

Model Evolution

Legacy Introduction:

First introduced in 1989 as a replacement for the Subaru Leone.

Fifth Generation Launch:

The 2010-2014 generation, represented by the 2012 model, marked a significant redesign with a larger platform and new styling.

Production

Assembly Location:

Lafayette, Indiana, USA (for North American market)

🏆 Awards & Recognition

Recognitions

IIHS Award 2012:

Insurance Institute for Highway Safety (IIHS) Top Safety Pick

NHTSA Award 2012:

National Highway Traffic Safety Administration (NHTSA) 5-Star Safety Rating