🏷️ Basic Information Identification Make: Subaru Model: Legacy Year: 2001 👋 Introduction Market Position Segment: Mid-size sedan and wagon, known for its standard All-Wheel Drive. Competitive Analysis Competitors 2001: Toyota Camry, Honda Accord, Nissan Altima, Mazda6. Key Features Standard AWD: Subaru's signature symmetrical All-Wheel Drive system as standard equipment. Durability: Reputation for robust engineering and longevity. Engine Layout: Horizontally opposed (Boxer) engine for a lower center of gravity. 📋 Manual Details Coverage Areas All Systems: Yes Page Count Estimated Pages: 1000+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, inspection, repair, and reassembly of all engine components. Engine Management: Fuel injection, ignition system, emission controls, sensors, actuators, diagnostic trouble codes (DTCs). Transmission Manual: Service and repair procedures for manual transmissions, clutch system. Transmission Automatic: Service and repair procedures for automatic transmissions, torque converter, valve body. Drivetrain: All-Wheel Drive (AWD) system, differentials, drive axles, propeller shaft. Suspension: Front and rear suspension systems, springs, shock absorbers, control arms, wheel bearings. Steering: Power steering system, steering rack, column, linkages. Brakes: Hydraulic brake system, ABS, disc brake systems (front/rear), brake pads, rotors, calipers, master cylinder. Electrical System: 12V battery, charging system (alternator), starting system (starter motor), lighting system, wiring diagrams. Body And Chassis: Body construction, frame, doors, hood, trunk lid, exterior trim, interior trim. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant, components. Restraints: Airbag system, seat belts. Diagnostics: Troubleshooting charts, diagnostic procedures, common issues, diagnostic trouble codes (DTCs). Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement. Component Removal Installation: Step-by-step guides for removing and installing major and minor components. Troubleshooting: Systematic diagnosis of common and complex problems with diagnostic flowcharts. Specifications And Tolerances: Detailed torque specifications, clearances, and critical measurements for repairs. Wiring Diagrams: Comprehensive electrical wiring diagrams for all vehicle systems. Special Tools: Identification and usage instructions for specialized tools required for certain repairs. Technical Depth Depth: Factory-level repair and diagnostic procedures. 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF. Printable: Yes, printable pages. Print Quality Illustrations: Clear, detailed diagrams and illustrations. Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code And Type 1: EJ251 (2.5L SOHC Flat-4) Engine Code And Type 2: EJ204 (2.0L DOHC Flat-4, primarily for export markets) Performance 1 Horsepower Ej251: 165 hp @ 5,600 rpm Torque Ej251: 166 lb-ft @ 4,000 rpm Performance 2 Horsepower Ej204: 140 hp @ 6,000 rpm (approximate, varies by market) Torque Ej204: 135 lb-ft @ 4,000 rpm (approximate, varies by market) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline Cooling System Coolant Type: Subaru Super Coolant (or equivalent ethylene glycol-based coolant) Ignition System Spark Plugs: NGK PFR5B (or equivalent) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Transmission Optional Transmission Type: 4-Speed Automatic Transmission Features AWD Operation: Symmetrical All-Wheel Drive with viscous coupling center differential. Fluid Specifications Auto Automatic Transmission Fluid: Subaru ATF-HP (or equivalent Dexron III/Mercon) Fluid Specifications Manual Manual Transmission Fluid: API GL-5, SAE 75W-90 Gear Oil 📐 Dimensions Exterior Sedan Length: 186.4 inches Width: 67.1 inches Height: 55.7 inches Exterior Wagon Length: 187.2 inches Width: 67.1 inches Height: 57.3 inches Wheelbase Wheelbase: 104.0 inches Weights Sedan Curb Weight: 3,175 - 3,300 lbs (approximate) Weights Wagon Curb Weight: 3,250 - 3,450 lbs (approximate) Cargo Wagon Cargo Volume: 37.7 cubic feet (behind rear seats) 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 stars (driver and passenger) NHTSA Side Impact: N/A (not tested extensively or reported for this year) Active Features ABS: Standard Anti-lock Braking System (ABS). Traction Control: Not widely available as a standard feature on all trims. Passive Features Airbags: Dual front airbags. Optional side airbags on some trims. Seatbelts: 3-point height-adjustable front seat belts with pretensioners, rear seat belts. 💡 Technology Features Infotainment Audio System: Standard AM/FM stereo with cassette and CD player. Optional premium audio system. Driver Assistance Cruise Control: Available on most trims. Connectivity Auxiliary Input: Not standard; requires aftermarket modifications. 🔧 Maintenance Service Intervals Oil Oil Change Interval: Every 3,750 miles or 3.75 months (under severe driving conditions); 7,500 miles or 7.5 months (under normal driving conditions). Service Intervals Filters Air Filter Replacement: Every 15,000 miles or 15 months. Cabin Air Filter Replacement: Every 15,000 miles or 15 months (if equipped). Service Intervals Fluids Coolant Flush: Every 30,000 miles or 30 months. Service Intervals Spark Plugs Spark Plug Replacement: Every 60,000 miles (NGK Platinum). Fluid Specifications Engine Oil: API SJ, SAE 5W-30, API SL, SAE 0W-20 (preferred for fuel economy, but 5W-30 is common) Engine Oil Capacity: 4.8 US quarts (with filter change) Brake Fluid: DOT 3 or DOT 4. Power Steering Fluid: Subaru Genuine Power Steering Fluid (or equivalent DEXRON type). Known Issues Head Gaskets: While the...
Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant, components.
Restraints:
Airbag system, seat belts.
Diagnostics:
Troubleshooting charts, diagnostic procedures, common issues, diagnostic trouble codes (DTCs).
Procedures Included
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement.
Component Removal Installation:
Step-by-step guides for removing and installing major and minor components.
Troubleshooting:
Systematic diagnosis of common and complex problems with diagnostic flowcharts.
Specifications And Tolerances:
Detailed torque specifications, clearances, and critical measurements for repairs.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all vehicle systems.
Special Tools:
Identification and usage instructions for specialized tools required for certain repairs.
Technical Depth
Depth:
Factory-level repair and diagnostic procedures.
📊 Manual Specifications
File Format
Quality:
High-resolution, searchable PDF.
Printable:
Yes, printable pages.
Print Quality
Illustrations:
Clear, detailed diagrams and illustrations.
Binding Type
Binding:
N/A (Digital)
Paper Type
Paper:
N/A (Digital)
⚙️ Engine Specifications
Primary Engine
Engine Code And Type 1:
EJ251 (2.5L SOHC Flat-4)
Engine Code And Type 2:
EJ204 (2.0L DOHC Flat-4, primarily for export markets)
Performance 1
Horsepower Ej251:
165 hp @ 5,600 rpm
Torque Ej251:
166 lb-ft @ 4,000 rpm
Performance 2
Horsepower Ej204:
140 hp @ 6,000 rpm (approximate, varies by market)
Torque Ej204:
135 lb-ft @ 4,000 rpm (approximate, varies by market)
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline
Cooling System
Coolant Type:
Subaru Super Coolant (or equivalent ethylene glycol-based coolant)
Ignition System
Spark Plugs:
NGK PFR5B (or equivalent)
🔧 Transmission
Standard
Transmission Type:
5-Speed Manual Transmission
Optional
Transmission Type:
4-Speed Automatic Transmission
Features
AWD Operation:
Symmetrical All-Wheel Drive with viscous coupling center differential.
Fluid Specifications Auto
Automatic Transmission Fluid:
Subaru ATF-HP (or equivalent Dexron III/Mercon)
Fluid Specifications Manual
Manual Transmission Fluid:
API GL-5, SAE 75W-90 Gear Oil
📐 Dimensions
Exterior Sedan
Length:
186.4 inches
Width:
67.1 inches
Height:
55.7 inches
Exterior Wagon
Length:
187.2 inches
Width:
67.1 inches
Height:
57.3 inches
Wheelbase
Wheelbase:
104.0 inches
Weights Sedan
Curb Weight:
3,175 - 3,300 lbs (approximate)
Weights Wagon
Curb Weight:
3,250 - 3,450 lbs (approximate)
Cargo Wagon
Cargo Volume:
37.7 cubic feet (behind rear seats)
🛡️ Safety Features
Ratings
NHTSA Front Impact:
4/5 stars (driver and passenger)
NHTSA Side Impact:
N/A (not tested extensively or reported for this year)
Active Features
ABS:
Standard Anti-lock Braking System (ABS).
Traction Control:
Not widely available as a standard feature on all trims.
Passive Features
Airbags:
Dual front airbags. Optional side airbags on some trims.
Seatbelts:
3-point height-adjustable front seat belts with pretensioners, rear seat belts.
💡 Technology Features
Infotainment
Audio System:
Standard AM/FM stereo with cassette and CD player. Optional premium audio system.
Driver Assistance
Cruise Control:
Available on most trims.
Connectivity
Auxiliary Input:
Not standard; requires aftermarket modifications.
🔧 Maintenance
Service Intervals Oil
Oil Change Interval:
Every 3,750 miles or 3.75 months (under severe driving conditions); 7,500 miles or 7.5 months (under normal driving conditions).
Service Intervals Filters
Air Filter Replacement:
Every 15,000 miles or 15 months.
Cabin Air Filter Replacement:
Every 15,000 miles or 15 months (if equipped).
Service Intervals Fluids
Coolant Flush:
Every 30,000 miles or 30 months.
Service Intervals Spark Plugs
Spark Plug Replacement:
Every 60,000 miles (NGK Platinum).
Fluid Specifications
Engine Oil:
API SJ, SAE 5W-30, API SL, SAE 0W-20 (preferred for fuel economy, but 5W-30 is common)
Engine Oil Capacity:
4.8 US quarts (with filter change)
Brake Fluid:
DOT 3 or DOT 4.
Power Steering Fluid:
Subaru Genuine Power Steering Fluid (or equivalent DEXRON type).
Known Issues
Head Gaskets:
While the 2001 model year is generally better than earlier generations, head gasket leaks are still a potential concern for EJ-series engines.
Rear Main Seal:
Leaking rear main crankshaft seal is a common issue requiring transmission removal.
Awt Clutch Wear:
Some AWD systems, particularly automatics, may experience wear in the viscous coupling over high mileage.
Evap Emissions System:
Issues with the evaporative emission control system (e.g., charcoal canister, vent valve) can cause check engine lights.
📚 Vehicle History
Brand Heritage
Subaru History:
Founded in 1953, Fuji Heavy Industries (now Subaru Corporation) has a long history in aviation and automotive manufacturing.
Model Evolution
Legacy Generation 3:
This 2001 model represents the third generation (BD/BG/BK) of the Subaru Legacy, introduced in 1998.
Design Changes Gen3:
The third generation featured a significant redesign with more rounded styling and improved interior.
Production
Manufacturing Location:
Gunma Plant, Japan.
🏆 Awards & Recognition
Recognitions
Iiihs Top Safety Pick:
The third-generation Legacy generally performed well in IIHS tests for its era, but specific 'Top Safety Pick' awards for 2001 models are not consistently documented.