Subaru Legacy 1998 Service Repair Manual

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Stichworte: 1998 Car Cars Legacy Misc Subaru

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Beschreibung

The 1998 Subaru Legacy represents the second generation of this mid-size sedan and wagon, known for its distinctive horizontally opposed (Boxer) engine layout and standard Symmetrical All-Wheel Drive system, both hallmarks of Subaru's engineering. Available in 4-door sedan (BD chassis) and 5-door wagon (BG chassis) body styles, the Legacy offered a choice between a 2.2L SOHC EJ22E engine producing 135 horsepower and a 2.5L DOHC EJ25D engine found in GT models, delivering 165 horsepower. Its design prioritized a lower center of gravity for improved handling, setting it apart from competitors like the Toyota Camry and Honda Accord. This comprehensive Factory Service Manual (FSM) provides detailed information for the complete service and repair of your 1998 Subaru Legacy. Covering over 1500 pages of technical data, it includes in-depth procedures for engine, transmission, drivetrain, chassis, and electrical systems, as well as bodywork. The manual offers guidance on scheduled maintenance, troubleshooting common issues such as potential head gasket concerns with the EJ25D engine, and component replacement. It is an essential resource for owners and technicians seeking to maintain, diagnose, and repair the vehicle accurately and efficiently.

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Legacy

Year:

Generation:

Second Generation (BD/BG/BK)

Codes

Chassis Codes:

BD (Sedan), BG (Wagon)

👋 Introduction

Market Position

Segment:

Mid-size sedan/wagon

Competitive Analysis

Competitors:

Toyota Camry, Honda Accord, Nissan Altima, Mazda 626

Key Features

Drivetrain:

Standard Symmetrical All-Wheel Drive (AWD) system, a signature Subaru feature

Engine Layout:

Horizontally opposed (Boxer) engine layout for a lower center of gravity

Body Styles:

Offered in both 4-door Sedan and 5-door Wagon body styles

📋 Manual Details

Coverage Areas

Coverage Scope:

Complete vehicle service and repair

Page Count

Estimated Pages:

1500+

Manual Type

Type:

Factory Service Manual (FSM) / Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Powertrain:

Engine (all variants), Transmission (manual & automatic), Drivetrain (AWD system)

Chassis:

Suspension, Steering, Brakes (including ABS)

Electrical:

Wiring diagrams, Lighting, Ignition system, Charging system, Starting system, Instruments and gauges, HVAC controls, Power accessories

Body:

Body panels, Doors, Glass, Interior trim, Bumpers, Seats

Procedures Included

Maintenance:

Scheduled maintenance, Oil changes, Filter replacements, Spark plug replacement, Fluid checks and changes

Diagnostics:

Troubleshooting guides, Symptom-based diagnostics, Diagnostic trouble codes (DTCs) interpretation (where applicable)

Repair:

Engine overhaul, Transmission repair, Brake system service, Suspension component replacement, Electrical system repairs, Bodywork repairs

Component Replacement:

Detailed instructions for replacing major and minor components

Technical Depth

Depth:

Comprehensive, from basic checks to complete engine rebuilds and system diagnostics

Diagnostic Tools:

Information on diagnostic procedures and potentially required tools/scan tools

📊 Manual Specifications

File Format

File Type:

Searchable PDF

Print Quality

Resolution:

High-resolution, suitable for printing

Binding Type

Binding:

N/A (Digital PDF)

Paper Type

Paper Quality:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine Code 1:

EJ22E

Engine Description 1:

2.2L SOHC 16-valve Flat-4 (Boxer)

Horsepower 1:

135 hp @ 5600 rpm

Torque 1:

133 lb-ft @ 4400 rpm

Secondary Engine

Engine Code 2:

EJ25D

Engine Description 2:

2.5L DOHC 16-valve Flat-4 (Boxer) - Common in GT models

Horsepower 2:

165 hp @ 5600 rpm

Torque 2:

177 lb-ft @ 4000 rpm

Fuel System

Fuel Delivery:

Multi-port Fuel Injection (MPI)

Fuel Type:

Unleaded gasoline

Performance

Compression Ratio Ej22E:

9.5:1

Compression Ratio Ej25D:

9.7:1

🔧 Transmission

Standard

Transmission Type Standard:

5-speed Manual Transmission

Optional

Transmission Type Optional:

4-speed Automatic Transmission

Features

AWD Engagement:

Active front differential and viscous coupling center differential (manual), or electronically controlled clutch (automatic)

Fluid Specifications

Manual Transmission Fluid:

Subaru Extra Synchro Oil (or equivalent API GL-5, SAE 75W-90)

Automatic Transmission Fluid:

Subaru ATF-HP (or equivalent DEXRON II/III)

📐 Dimensions

Exterior

Wheelbase:

104.0 inches (2642 mm)

Length Sedan:

185.0 inches (4699 mm)

Length Wagon:

182.3 inches (4630 mm)

Width:

67.7 inches (1720 mm)

Height Sedan:

55.1 inches (1400 mm)

Height Wagon:

56.7 inches (1440 mm)

Weights

Curb Weight Min:

Approx. 3000 lbs (1361 kg)

Curb Weight Max:

Approx. 3200 lbs (1451 kg)

Gross Vehicle Weight Rating:

Approx. 4350 lbs (1973 kg)

🛡️ Safety Features

Ratings

NHTSA Driver Front Impact:

4 Stars

NHTSA Passenger Front Impact:

4 Stars

Active Features

Anti-lock Braking System (ABS) - Standard on most models, optional on some base trims

Passive Features

Airbags:

Driver and front passenger airbags

Seatbelts:

Front 3-point height-adjustable seatbelts with pretensioners

💡 Technology Features

Infotainment

Audio System:

Factory fitted AM/FM/Cassette or CD players, often with 4-6 speaker configurations. Optional premium audio systems available.

Driver Assistance

Availability of Anti-lock Braking System (ABS) as a key safety technology.

Connectivity

Cruise Control:

Standard or optional cruise control for highway driving.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles or 3 months

Air Filter Replacement Interval:

Every 15,000 miles or 12 months

Spark Plug Replacement Interval:

Every 30,000 miles (EJ22E), 60,000 miles (EJ25D - Dual Platinum)

Coolant Flush Interval:

Every 30,000 miles or 24 months

Fluid Specifications

Engine Oil Spec:

API SH or SG, SAE 5W-30 (or 10W-30 in warmer climates)

Engine Oil Capacity Ej22E:

4.5 US quarts (4.3 liters) with filter change

Engine Oil Capacity Ej25D:

4.8 US quarts (4.5 liters) with filter change

Coolant Type:

Ethylene glycol based coolant (Subaru Super Coolant or equivalent)

Known Issues

Head Gaskets:

While not as prevalent as later EJ25s, the EJ25D (DOHC) engine is known for potential head gasket failures due to its design and material limitations. Early detection and prompt repair are crucial. The EJ22E is generally more robust.

Oil Leaks:

Leaking valve cover gaskets and oil pan gaskets are common with age and mileage.

Suspension Components:

Worn control arm bushings and ball joints can lead to steering and ride quality issues.

Part Numbers

Oil Filter Part Number:

15208AA031 (Subaru Genuine) or equivalent from aftermarket suppliers like Wix, Fram, etc.

Air Filter Part Number:

16546AA050 (Subaru Genuine) or equivalent

Spark Plug Part Number Ej22E:

NGK BKR6E-11 (or equivalent) - 4 required

Spark Plug Part Number Ej25D:

NGK PFR6B (or equivalent) - 4 required (Dual Platinum)

📚 Vehicle History

Brand Heritage

Brand Focus:

Subaru, part of Fuji Heavy Industries, known for its engineering prowess in aviation and AWD technology.

Model Evolution

Generation Introduction:

The second generation Legacy (BD/BG/BK) was introduced for the 1995 model year and received a significant facelift for 1998.

Production

Production Years Platform:

1995-1999

Assembly Location:

Gunma Plant, Japan

🏆 Awards & Recognition

Recognitions

Insurance Institute Highway Safety:

While specific awards for the 1998 model are scarce, the second-generation Legacy generally received favorable safety ratings for its era.

Ratings

Consumer Reports Reliability:

Reliability ratings varied by engine. The EJ22E was generally considered more reliable than the EJ25D. The manual also details common repair issues to help owners maintain their vehicles.

Certifications

Emission Standards:

Compliance with EPA emission standards for the model year.