🏷️ Basic Information

Make:

Subaru

Model:

Legacy

Year:

1998

Product Name:

Download (78 MB) 1998 Subaru Legacy Original Factory Service Manual | Repair | Workshop Manual 98 - PDF * Best *

👋 Introduction

Positioning:

The 1998 Subaru Legacy represented Subaru's mid-size offering, known for its standard All-Wheel Drive (AWD) system, distinguishing it from many competitors in its class. It aimed at buyers seeking stability and traction in varied weather conditions.

Competitors:

Competed with vehicles like the Toyota Camry, Honda Accord, Nissan Altima, and Ford Taurus. Subaru's AWD was a significant differentiator.

Standard AWD:

Standard Symmetrical All-Wheel Drive was a hallmark of the Subaru brand and a primary selling point for the Legacy.

Body Styles:

Available in Sedan and Wagon body styles, catering to different consumer needs for practicality and space.

Engine Options:

Primarily offered with Subaru's Boxer engine configuration, known for its low center of gravity and smooth operation.

Value:

This is a complete Factory Service Manual (FSM), providing the most accurate and detailed repair information directly from Subaru, essential for any owner or mechanic serious about maintaining or repairing the vehicle.

📋 Manual Details

Coverage:

All parts and models for the 1998 Subaru Legacy production year.

Estimated Page Count:

Typically 1500-2500+ pages for a complete FSM of this era, actual count may vary based on exact content density.

Type:

Factory Service Manual (FSM) / Workshop Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Detailed diagnostics, repair procedures, specifications, timing belt replacement, component testing, cooling system, lubrication system, fuel system, emissions control.

Transmission:

Automatic and Manual transmission repair, diagnosis, fluid specifications, torque converter service, clutch replacement, driveline components (axles, driveshafts).

Brakes:

Front and rear brake systems (disc/drum), ABS operation and diagnostics, hydraulic system repair, caliper and wheel cylinder service, parking brake.

Suspension Steering:

Front and rear suspension component diagnosis and replacement (struts, shocks, control arms, bushings), steering gear repair, power steering system, wheel alignment specifications.

Electrical:

Comprehensive wiring diagrams, fuse box locations, component testing, starter, alternator, battery, lighting systems, power windows, power locks, climate control electricals, ignition system, ECU diagnostics.

Body Exterior:

Body panel repair, door mechanisms, exterior trim, glass replacement, convertible top operation (if applicable), bumper repair, painting specifications.

Body Interior:

Interior trim removal and installation, seat repair, dashboard disassembly, HVAC system internal components, carpeting, headliner, sound insulation.

HVAC:

Air conditioning system diagnosis, refrigerant handling (R134a), compressor, evaporator, condenser service, heater core replacement, blower motor, climate control panel.

Safety Restraints:

Airbag system diagnostics and replacement procedures, seat belt operation and maintenance.

Routine Maintenance:

Oil changes, filter replacements, spark plug replacement, coolant flushes, brake fluid changes, air filter replacement, tire rotation.

Troubleshooting:

Diagnostic flowcharts for common drivability issues, electrical faults, starting problems, overheating, and more.

Major Repairs:

Engine rebuild procedures, head gasket replacement, transmission overhaul, suspension component replacement, brake system overhauls.

Diagnostics:

On-Board Diagnostics (OBD-I/II) information, specific Subaru diagnostic trouble codes (DTCs), component testing procedures using multimeters and specialized tools.

Component Replacement:

Step-by-step instructions for replacing virtually every component on the vehicle, from minor sensors to major powertrain parts.

Torque Specifications:

Precise torque values for all critical fasteners, crucial for ensuring proper assembly and preventing component damage.

Depth:

Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds. Includes detailed electrical schematics and diagnostic procedures.

📊 Manual Specifications

File Type:

PDF

Searchability:

Typically searchable text in PDF format, allowing for quick access to specific information.

Quality:

Digital reproduction of original factory documentation, ensuring clarity and accuracy of text and diagrams.

Type:

N/A (Digital Download)

Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated Boxer (Flat) Engine

Engine Code Common:

EJ22E (2.2L), EJ25D (2.5L DOHC)

Displacement 2.2L:

2212 cc

Displacement 2.5L:

2457 cc

Horsepower 2.2L:

135 hp @ 5500 rpm

Torque 2.2L:

138 lb-ft @ 4400 rpm

Horsepower 2.5L:

165 hp @ 5600 rpm

Torque 2.5L:

162 lb-ft @ 4000 rpm

Fuel Delivery:

Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (87 octane minimum recommended)

Block Material:

Aluminum Alloy

Cylinder Head Material:

Aluminum Alloy

Timing Belt 2.2L:

Yes, requires periodic replacement.

Timing Belt 2.5L:

Yes, requires periodic replacement. DOHC variant.

🔧 Transmission

Standard Transmission Type:

5-Speed Manual

Optional Transmission Type:

4-Speed Automatic (with electronic control)

AWD System Type:

Symmetrical All-Wheel Drive (Active AWD for manual, Automatic AWD for automatic transmission)

Manual Transmission Fluid:

API GL-5, SAE 75W-90 or SAE 75W-90 LS (for limited-slip differentials if equipped).

Automatic Transmission Fluid:

Subaru ATF HP (or equivalent) - check specific vehicle documentation.

📐 Dimensions

Length:

Approx. 4600 mm (181.1 in)

Width:

Approx. 1730 mm (68.1 in)

Height:

Approx. 1405 mm (55.3 in)

Length:

Approx. 4645 mm (182.9 in)

Width:

Approx. 1730 mm (68.1 in)

Height:

Approx. 1450 mm (57.1 in)

Wheelbase:

Approx. 2620 mm (103.2 in)

Curb Weight Est:

1350-1500 kg (2976-3307 lbs) depending on body style and powertrain

Gross Vehicle Weight Rating Est:

1850-2000 kg (4079-4409 lbs)

Cargo Volume Min:

Approx. 0.9 m³ (32 cu ft) with rear seats up.

Cargo Volume Max:

Approx. 1.8 m³ (64 cu ft) with rear seats folded down.

🛡️ Safety Features

NHTSA Front Crash Test Driver:

4-star (for models equipped with driver airbag)

NHTSA Front Crash Test Passenger:

4-star (for models equipped with driver airbag)

IIHS Side Impact:

Not rated or limited data available for this specific year and model.

ABS:

Optional on some trims, standard on higher trims and AWD models.

Traction Control:

Generally not available or very limited in 1998 Subaru models.

Airbags:

Driver and Passenger airbags standard on most models.

Seatbelts:

3-point front and rear seatbelts, pretensioners on front seatbelts.

💡 Technology Features

Audio System:

Factory AM/FM stereo with cassette player, optional CD player. Basic analog controls.

Climate Control:

Manual climate control systems with adjustable fan speed, temperature, and airflow direction. Some models may have optional automatic climate control.

Cruise Control:

Available as an option or standard on higher trim levels.

Aux Input:

Not typically equipped with factory auxiliary or USB inputs.

Gauges:

Includes speedometer, tachometer, fuel gauge, engine temperature gauge. Warning lights for various systems.

🔧 Maintenance

Oil Change Interval:

Every 3,750 miles (6,000 km) or 3 months, whichever comes first (under normal driving conditions).

Timing Belt Replacement Interval:

105,000 miles (168,000 km) or 7 years, whichever comes first. Crucial maintenance item.

Coolant Flush Interval:

Every 30,000 miles (48,000 km) or 2 years.

Spark Plug Replacement Interval:

105,000 miles (168,000 km) for platinum-tipped plugs (standard on many 1998 models), or inspect/replace as needed based on condition.

Engine Oil Spec:

API SG or SH, SAE 5W-30 or 10W-30 (check owner's manual for climate-specific recommendations).

Engine Oil Capacity 2.2L:

Approx. 4.5 US quarts (4.3 liters) with filter.

Engine Oil Capacity 2.5L:

Approx. 4.7 US quarts (4.4 liters) with filter.

Coolant Type:

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

Head Gaskets 2.5L:

The 2.5L DOHC (EJ25D) engine in this generation is known for potential head gasket failures, often due to coolant leaks and overheating. This manual will detail inspection and replacement procedures.

Automatic Transmission Line:

Some automatic transmissions may experience issues with external cooler lines developing leaks over time.

Suspension Bushings:

Wear and tear on suspension bushings can lead to clunking noises and poor handling.

Oil Leaks:

Common on older vehicles, particularly from valve cover gaskets, oil pan gaskets, and front/rear crankshaft seals.

📚 Vehicle History

Subaru Philosophy:

Subaru, a division of Subaru Corporation (formerly Fuji Heavy Industries), has a long history of engineering robust vehicles, with a strong emphasis on AWD and boxer engines.

Second Generation:

The 1998 Legacy is part of the second generation (BD/BG/BK chassis), introduced for the 1995 model year. This generation saw significant styling and engineering updates over its predecessor.

Manufacturing Location:

Primarily manufactured in Japan.

Production Years Gen2:

1995-1999

🏆 Awards & Recognition

AWD Recognition:

Subaru's AWD system has historically received praise for its performance in inclement weather and its ability to enhance vehicle stability.

Model Specific Awards:

While specific awards for the 1998 model year might be scarce, the Legacy line generally performed well in its segment for reliability and all-weather capability.