Chassis Code:
BH (Station Wagon), BP (Sedan)
Engine Codes:
EJ251, EJ253 (2.5L SOHC NA), EJ202 (2.0L DOHC NA - some markets), EJ204 (2.0L DOHC NA - some markets), EJ254 (2.5L DOHC NA), EJ205 (2.0L DOHC Turbocharged - GT/GT-B/GT-Limited/250T models)
Market Position:
The 2001 Subaru Legacy represented Subaru's offering in the mid-size sedan and wagon segment, known for its standard All-Wheel Drive (AWD) system and boxer engine configurations, differentiating it from many front-wheel-drive competitors.
Competitive Analysis:
Competed against vehicles like the Toyota Camry, Honda Accord, Ford Taurus, and Nissan Altima. Its AWD system was a significant selling point, particularly in regions with inclement weather.
Key Features:
Standard Symmetrical All-Wheel Drive, horizontally opposed Boxer engines, comfortable ride, practical wagon option, robust build quality.
Systems Covered:
Engine Mechanical, Engine Control System (ECU), Fuel System, Cooling System, Lubrication System, Ignition System, Exhaust System, Emission Control System, Clutch, Manual Transmission, Automatic Transmission, Transfer Case, Drivetrain Components (Axles, Driveshafts), Suspension System (Front & Rear), Steering System, Brake System (ABS), Wheels & Tires, Body (Exterior & Interior), HVAC System, Electrical System (Wiring Diagrams, Fuses, Relays), SRS Airbag System, Body Control Module (BCM), Cruise Control, Audio System, Diagnostic Trouble Codes (DTCs)
Procedures Included:
Scheduled maintenance, routine inspections, lubrication, oil changes, filter replacements, spark plug service, tune-ups, engine diagnostics, engine repair (including complete overhaul), fuel injection system service, cooling system flush and repair, transmission service (manual & automatic), clutch replacement, driveline component repair, suspension component replacement, steering system repair, brake system bleeding and component replacement, wheel alignment, body panel repair, interior trim removal and installation, HVAC system troubleshooting and repair, electrical system diagnostics and repair, wiring harness repair, component replacement (alternator, starter, AC compressor, etc.), airbag system servicing, diagnostic tool usage, troubleshooting flowcharts, torque specifications, special tool requirements
Technical Depth:
Comprehensive, covering basic maintenance to complete engine and transmission overhauls. Includes detailed diagnostic procedures, repair instructions, specifications, and diagrams essential for professional-level repairs.
Primary Engine:
2.5L DOHC Naturally Aspirated (EJ254)
Optional Engine:
2.5L SOHC Naturally Aspirated (EJ251/EJ253)
Horsepower Ej254:
165 hp @ 5600 rpm
Torque Ej254:
166 lb-ft @ 4000 rpm
Horsepower Ej251 Ej253:
162 hp @ 5600 rpm
Torque Ej251 Ej253:
161 lb-ft @ 4000 rpm
Horsepower Ej205:
Approx. 212 hp @ 5600 rpm (GT models)
Torque Ej205:
Approx. 200 lb-ft @ 3000 rpm (GT models)
Turbocharged Engine:
2.0L DOHC Turbocharged (EJ205)
Fuel System:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline
Engine Layout:
Horizontally opposed (Boxer)
Standard Transmission:
5-speed Manual Transmission
Optional Transmission:
4-speed Automatic Transmission with OD (Overdrive)
AWD System:
Standard Symmetrical All-Wheel Drive on all models
Manual Transmission Fluid Spec:
API GL-5, SAE 75W-90 (Check specific manual for exact type)
Automatic Transmission Fluid Spec:
Subaru ATF (Dexron III equivalent or Subaru specific)
Wheelbase:
Approx. 104.3 inches (2649 mm)
Length:
Approx. 187.0 inches (4750 mm) (Sedan), 188.0 inches (4775 mm) (Wagon)
Width:
Approx. 68.1 inches (1730 mm)
Height:
Approx. 56.7 inches (1440 mm) (Sedan), 58.9 inches (1500 mm) (Wagon)
Curb Weight:
Approx. 3100 - 3500 lbs (1406 - 1588 kg) depending on trim and drivetrain
NHTSA Front Impact Driver:
4 Stars (Driver) - Model Year 2000/2001 testing may vary by publication.
NHTSA Front Impact Passenger:
4 Stars (Passenger) - Model Year 2000/2001 testing may vary by publication.
Active Features:
ABS (Anti-lock Braking System), Traction Control (on some models)
Passive Features:
Dual front airbags, side airbags (optional on some trims), front seatbelt pretensioners, crumple zones
Infotainment Features:
Factory-installed AM/FM stereo with CD player, cassette deck (optional). Basic analog display for climate control and audio.
Driver Assistance Features:
ABS, limited traction control on some trims. No advanced driver-assistance systems (ADAS) like adaptive cruise control or lane keeping assist.
Connectivity Features:
Minimal connectivity; primarily through aftermarket solutions for USB/Bluetooth integration if desired.
Oil Change Interval:
Every 3,750 miles or 6 months (whichever comes first) for severe conditions, or 7,500 miles or 12 months for normal conditions. Consult manual for specific grade.
Engine Coolant Change Interval:
First replacement at 30,000 miles or 36 months, then every 15,000 miles or 18 months thereafter (or as specified in manual).
Spark Plug Replacement Interval:
Approximately 60,000 miles for platinum-tipped spark plugs (check manual for specific type and interval).
Engine Oil Spec:
SAE 5W-30 (check manual for ambient temperature suitability and exact specification, e.g., API SN/SP or ILSAC GF-5/GF-6)
Engine Oil Capacity Ej254:
Approx. 4.5 quarts (4.3 liters) with filter change
Coolant Type:
Subaru Super Coolant (Blue) or equivalent silicate-free, long-life antifreeze
Known Issues:
Head gasket leaks (especially on EJ25 engines prior to redesign), oil leaks (from valve cover gaskets, oil pan), catalytic converter issues, AC system compressor failures, wheel bearing failures, ABS sensor failures, automatic transmission control unit issues (on some models).
Brand Heritage:
Subaru, a division of Subaru Corporation (formerly Fuji Heavy Industries), has a long history of producing reliable and capable vehicles, particularly known for its pioneering use of AWD in passenger cars and its distinctive Boxer engine architecture.
Model Evolution:
The 2001 model year belongs to the second generation (BD/BG/BK) of the Subaru Legacy, which ran from 1993 to 1999, and the third generation (BE/BH) which started in 1999. The 2001 model is part of this third generation, which introduced redesigned styling, improved chassis dynamics, and updated powertrains. This generation saw the discontinuation of the coupe body style and a focus on sedan and wagon variants.
Production Years:
1999-2004 (Third Generation)
Manufacturing Locations:
Japan (various Subaru plants)
