🏷️ Basic Information

Make:

Subaru

Model:

Legacy

Year:

1999

Chassis Codes Covered:

BD, BG, BK

Engine Codes Covered:

EJ22, EJ25D, EJ251 (for GT models, though less common for 1999 in some markets, manual will likely cover all EJ variants of the era)

👋 Introduction

Market Segment:

Mid-size sedan/wagon, known for AWD and reliability

Key Competitors:

Toyota Camry, Honda Accord, Nissan Altima, Mazda 626

Distinguishing Features:

Symmetrical All-Wheel Drive standard on most models, horizontally opposed boxer engines, robust build quality

Manual Value:

Provides comprehensive, factory-level repair and maintenance information essential for owners and technicians to service and maintain the 1999 Subaru Legacy effectively.

📋 Manual Details

Regions Covered:

Global (primarily North America and European specifications implied by service manual nature)

Estimated Page Count:

~1500-2500 pages (typical for a full workshop manual covering multiple variants)

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Systems:

Engine mechanical, fuel injection, ignition, cooling, lubrication, exhaust, emissions control

Transmission Systems:

Manual transmission (5-speed), Automatic transmission (4-speed) overhaul and repair

Drivetrain Systems:

All-Wheel Drive (AWD) system, differentials, driveshafts, CV joints

Suspension Systems:

Front suspension (MacPherson strut), Rear suspension (Multi-link), alignment specifications

Brake Systems:

Front disc brakes, Rear disc brakes, Anti-lock Braking System (ABS) operation and diagnostics

Steering Systems:

Power steering system, steering column, linkage

Electrical Systems:

Battery, charging system, starting system, lighting, wipers, horn, power windows, power locks, instrument cluster

HVAC Systems:

Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair

Body And Chassis:

Body panels, doors, glass, interior trim, chassis frame

Maintenance Procedures:

Oil changes, filter replacements, spark plug replacement, belt tensioning, fluid checks

Repair Procedures:

Engine rebuild, transmission overhaul, brake caliper replacement, suspension component replacement

Troubleshooting Guides:

Diagnostic procedures for common issues, symptom-based troubleshooting charts

Diagnostic Procedures:

OBD-II diagnostic trouble codes (DTCs) interpretation and resolution

Torque Specifications:

Detailed torque specifications for all critical fasteners

Wiring Diagrams:

Comprehensive electrical wiring diagrams for all systems

Engine Assembly Disassembly:

Detailed steps for engine component removal, inspection, and reassembly, including piston ring replacement, bearing service, cylinder head work.

Transmission Overhaul:

Complete teardown and rebuild procedures for both manual and automatic transmissions, including clutch pack replacement (auto) and gear set service (manual).

Drivetrain Repair:

Front and rear differential service, CV axle boot replacement, driveshaft repair.

Electrical Diagnostics:

Schematics for all major electrical circuits, troubleshooting flowcharts for common electrical faults (e.g., no-start, charging system issues).

Body Repair:

Procedures for panel alignment, door hinge adjustment, window regulator replacement, and interior trim removal/installation.

Depth Of Coverage:

Complete overhaul, repair, and diagnostic procedures, suitable for professional technicians and advanced DIYers

Diagnostic Tools Required:

Specifies use of common hand tools, multimeters, scan tools for OBD-II diagnostics, and potentially specialized Subaru diagnostic equipment.

📊 Manual Specifications

File Format Details:

Searchable PDF, allows for easy navigation and text extraction

Search Capability:

Full text searchability within the PDF document, allowing users to quickly find specific information by keyword.

Print Quality:

High-resolution scans ensuring clarity of diagrams and text

Binding Type:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Options:

2.2L Naturally Aspirated EJ22 SOHC (135 hp), 2.5L Naturally Aspirated EJ25D DOHC (165 hp), 2.5L Turbocharged EJ251 SOHC (GT models, ~200 hp)

Ej22 Horsepower:

135 hp @ 5600 rpm

Ej22 Torque:

140 lb-ft @ 4400 rpm

Ej25D Horsepower:

165 hp @ 5900 rpm

Ej25D Torque:

162 lb-ft @ 4400 rpm

Fuel Delivery:

Multi-point fuel injection (MPI)

Engine Layout:

Horizontally opposed (Boxer) 4-cylinder

Bore X Stroke:

EJ22: 92.0 mm x 80.0 mm; EJ25D: 99.5 mm x 79.0 mm

Compression Ratio:

EJ22: 9.5:1; EJ25D: 9.5:1

🔧 Transmission

Standard Transmission:

5-speed manual transmission

Optional Transmission:

4-speed automatic transmission

AWD System:

Symmetrical All-Wheel Drive (Active Transfer Clutch AWD on automatics, viscous coupling center diff on manuals)

📐 Dimensions

Wheelbase:

104.3 inches (2649 mm)

Length:

185.2 inches (4704 mm) (Sedan)

Width:

67.7 inches (1720 mm)

Height:

56.7 inches (1440 mm) (Sedan)

Curb Weight:

~3100-3400 lbs (depending on engine and drivetrain)

Towing Capacity:

Not officially specified, generally not recommended for significant towing

🛡️ Safety Features

NHTSA Rollover Rating:

4/5 stars (for sedan)

Active Safety:

ABS (Anti-lock Braking System), Traction Control (optional on some models)

Passive Safety:

Dual front airbags, crumple zones, energy-absorbing steering column

💡 Technology Features

Infotainment Features:

Factory AM/FM/Cassette/CD player, optional premium audio systems

Driver Assistance Features:

ABS (standard/optional), limited availability of traction control

Connectivity Features:

Basic in-car connectivity, no advanced Bluetooth or smartphone integration

🔧 Maintenance

Oil Change Interval:

Every 3,750 miles or 6 months (severe conditions), 7,500 miles or 12 months (normal conditions) - consult manual for specific details.

Timing Belt Replacement:

Every 105,000 miles or 7 years (for EJ25D with interference engine). EJ22 is typically non-interference but replacement recommended based on age/condition.

Engine Oil Type:

API SG or SH, SAE 5W-30 or 10W-30 (check manual for precise viscosity based on climate)

Coolant Type:

Subaru Super Coolant (blue) or equivalent ethylene glycol-based coolant with silicate inhibitors

Transmission Fluid Manual:

API GL-5, SAE 75W-90 gear oil

Transmission Fluid Automatic:

Subaru ATF-HP or equivalent DEXRON-III/MERCON

Brake Fluid Type:

DOT 3 or DOT 4

Head Gaskets:

While more prevalent in later EJ25 engines, early EJ25D engines can experience head gasket leaks.

Catalytic Converter:

Can fail due to age or engine misfires, especially on higher-mileage vehicles.

Cv Axles:

Dust boots can degrade leading to premature CV joint wear, particularly on AWD models.

Fuel Pump:

Can become noisy or fail with age.

Oil Leaks:

Common oil leak points include valve cover gaskets and rear main seals on higher mileage engines.

📚 Vehicle History

Subaru Heritage:

Subaru Corporation (formerly Fuji Heavy Industries) has a long history in aerospace and automotive engineering, known for its boxer engines and AWD.

Legacy Generations Covered:

This manual covers the second generation (BD/BG/BK chassis) Legacy, produced from 1995-2004, with a facelift in 1998.

Chassis Generation Details:

The BD/BG/BK generation (1995-2004) saw significant updates, including a more aerodynamic design and improved interior. The 1999 model year represents a post-facelift version with refined styling.

Manufacturing Location:

Gunma Plant, Japan

🏆 Awards & Recognition

Consumer Reports Ratings:

Consistently rated well for reliability and AWD capability by consumer organizations of the era.

Icam Rating:

Often recognized for its secure handling and AWD performance, though not typically subject to formal ICAM ratings as a specific award.