Segment:
Mid-size sedan and wagon, known for its standard All-Wheel Drive.
Competitors 2001:
Toyota Camry, Honda Accord, Nissan Altima, Mazda6.
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.
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).
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.
Depth:
Factory-level repair and diagnostic procedures.
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)
Horsepower Ej251:
165 hp @ 5,600 rpm
Torque Ej251:
166 lb-ft @ 4,000 rpm
Horsepower Ej204:
140 hp @ 6,000 rpm (approximate, varies by market)
Torque Ej204:
135 lb-ft @ 4,000 rpm (approximate, varies by market)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline
Coolant Type:
Subaru Super Coolant (or equivalent ethylene glycol-based coolant)
Spark Plugs:
NGK PFR5B (or equivalent)
Transmission Type:
5-Speed Manual Transmission
Transmission Type:
4-Speed Automatic Transmission
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
NHTSA Front Impact:
4/5 stars (driver and passenger)
NHTSA Side Impact:
N/A (not tested extensively or reported for this year)
ABS:
Standard Anti-lock Braking System (ABS).
Traction Control:
Not widely available as a standard feature on all trims.
Airbags:
Dual front airbags. Optional side airbags on some trims.
Seatbelts:
3-point height-adjustable front seat belts with pretensioners, rear seat belts.
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).
Coolant Flush:
Every 30,000 miles or 30 months.
Service Intervals Spark Plugs
Spark Plug Replacement:
Every 60,000 miles (NGK Platinum).
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).
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.