Vehicle Class:
Mid-size sedan and wagon, known for its standard Symmetrical All-Wheel Drive system.
Competitors:
Toyota Camry, Honda Accord, Mazda 626, Nissan Altima, Mitsubishi Galant.
Distinguishing Features:
Standard AWD on most trims, horizontally-opposed 'Boxer' engines, robust build quality, practical interior space.
Target Audience:
DIY mechanics, independent repair shops, Subaru enthusiasts seeking in-depth knowledge for maintenance and repair.
Engine Mechanical:
Engine assembly, disassembly, cylinder head, pistons, crankshaft, camshaft, timing belt/chain, lubrication system, cooling system
Engine Performance:
Fuel injection, ignition system, emission control systems (catalytic converter, EGR, PCV), turbocharging (if applicable)
Transmission Manual:
Clutch, gearbox, shift linkage, removal, disassembly, assembly
Transmission Automatic:
Torque converter, valve body, planetary gear sets, hydraulic control system, solenoids, removal, disassembly, assembly
Drivetrain:
Front and rear differentials, drive shafts, CV joints, AWD system operation and maintenance
Suspension And Steering:
Front and rear suspension components (struts, shocks, control arms, bushings), power steering system, steering rack, wheel alignment
Brakes:
Hydraulic system, brake lines, master cylinder, brake calipers, rotors, pads, parking brake, ABS system (if equipped)
Electrical System:
Battery, charging system (alternator), starting system (starter motor), lighting, fuses, relays, wiring diagrams, body control modules
HVAC:
Air conditioning system, heater core, blower motor, climate controls, refrigerant handling
Body And Interior:
Exterior panels, doors, glass, interior trim, seating, dashboard, headliner
Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement, brake pad replacement
Diagnostics:
Troubleshooting guides for common problems, symptom-based diagnostics, OBD-II diagnostic trouble codes (DTCs) interpretation
Repair Overhaul:
Complete engine rebuild procedures, transmission overhaul, suspension component replacement, brake system bleeding and repair, electrical component replacement
Installation Removal:
Step-by-step instructions for removing and installing major components like engine, transmission, suspension parts, body panels
Specifications And Tolerances:
Torque specifications for all fasteners, engine clearances, valve lash adjustments, bearing clearances
Depth:
Comprehensive, covering everything from routine maintenance to full engine and transmission rebuilds. Includes detailed diagnostic procedures and specifications.
Transmission Type:
5-speed Manual Transmission (All-Wheel Drive)
Transmission Type:
4-speed Automatic Transmission (Available with FWD and AWD)
AWD System:
Symmetrical All-Wheel Drive with viscous coupling center differential
Manual Transmission Fluid:
API GL-4, SAE 75W-90 (Check specific model variant for exact recommendation)
Automatic Transmission Fluid:
Subaru ATF HP or equivalent, Dexron III (Check specific model variant for exact recommendation)
NHTSA Driver Side Impact:
Not rated for this specific model year generation in readily available public records, but generally considered robust for its era.
IIHS Side Impact:
Data for 1998 models is limited; focus on general design principles of the era.
ABS:
Anti-lock Braking System available on select trims.
Airbags:
Driver and front passenger airbags standard.
Seatbelts:
3-point front and rear seatbelts, driver's side pretensioner.
Body Structure:
Reinforced safety cage construction.
Oil Change Interval:
Every 3,750 miles or 3 months, whichever comes first (under normal driving conditions).
Engine Oil Filter:
Replace at every oil change.
Air Filter Replacement:
Every 15,000 miles or 12 months.
Spark Plug Replacement:
Every 30,000 miles (refer to manual for specific plug type and gap).
Timing Belt Replacement:
Every 60,000 miles or 5 years (critical for EJ series engines to prevent catastrophic damage).
Coolant Flush:
Every 30,000 miles or 2 years.
Engine Oil Capacity:
Approx. 4.5 quarts (4.3 liters) with filter for EJ22/EJ25. Check manual for exact capacity.
Engine Oil Type:
API SG or SH, SAE 10W-30 or 10W-40 recommended. 5W-30 for extreme cold. Check manual for specific recommendations.
Coolant Type:
Subaru Super Coolant or equivalent (Ethylene Glycol based).
Brake Fluid Type:
DOT 3 or DOT 4.
Head Gaskets:
While not as prevalent as on later generations, some EJ series engines of this era can develop head gasket leaks, especially the EJ25 DOHC. The manual will detail procedures for inspection and replacement.
Automatic Transmission Shifts:
Some instances of rough shifting or delayed engagement can occur. The manual provides diagnostic steps for the transmission control system.
Timing Belt Tensioner:
Failure of the timing belt tensioner can lead to belt slippage or breakage. Regular replacement of the belt and tensioner is crucial.
Oil Leaks:
Leaking valve cover gaskets and oil pan gaskets are common maintenance items addressed in the manual.
Subaru Heritage:
Subaru, a division of Fuji Heavy Industries, has a long history of engineering innovative vehicles, particularly known for its expertise in all-wheel-drive systems and horizontally-opposed (Boxer) engines.
Legacy Generations:
The 1998 Legacy is part of the second generation (BD/BG/BK chassis, 1995-1999), representing a significant styling and engineering update from the first generation.
Manufacturing Location:
Mainly manufactured in Japan, with some assembly in other regions.
Sales Trend:
The second generation saw consistent sales, solidifying the Legacy's reputation for reliability and AWD capability in North America.