Vehicle Segment:
Compact Crossover SUV
Key Selling Points:
Standard Symmetrical All-Wheel Drive, practical cargo space, excellent visibility, robust build quality.
Key Competitors 1999-2004:
Honda CR-V, Toyota RAV4, Ford Escape, Nissan Xterra, Jeep Cherokee (XJ).
AWD Philosophy:
Subaru's Symmetrical All-Wheel Drive system is a core differentiator, providing superior traction and stability in various conditions.
Practicality:
Designed as a versatile vehicle for outdoor enthusiasts and families, offering a comfortable ride and ample utility.
Engine Mechanical:
Engine assembly, disassembly, cylinder head, block, pistons, crankshaft, camshafts, timing belt/chain, valve train.
Engine Management:
Fuel injection, ignition system, emissions control, engine control module (ECM) diagnostics, sensors, actuators.
Transmission Manual:
Clutch, gearbox assembly, synchronizers, shift forks, lubrication, diagnostics.
Transmission Automatic:
Torque converter, planetary gears, valve body, solenoids, hydraulic system, transmission control module (TCM), diagnostics.
Drivetrain:
All-Wheel Drive (AWD) system, viscous coupling, differentials (front and rear), driveshafts, CV joints.
Suspension:
Front and rear suspension components, struts, springs, control arms, bushings, wheel bearings, alignment specifications.
Steering:
Steering column, steering rack, power steering pump, fluid, tie rods, linkage, steering angle sensor.
Brakes:
Front and rear brake systems (disc/drum), ABS system, hydraulic lines, calipers, rotors, pads, master cylinder, bleeding procedures.
Electrical System:
Battery, charging system (alternator), starting system (starter), lighting, wipers, horn, power accessories.
Body And Chassis:
Body panel removal/installation, doors, windows, interior trim, chassis structure, rust prevention.
HVAC:
Heating, ventilation, air conditioning system, refrigerant, compressor, evaporator, condenser, blower motor, controls.
Body Electronics:
Instrument cluster, audio system, power windows, power locks, remote keyless entry, airbags, SRS system.
Routine Maintenance:
Oil changes, fluid checks and replacements, filter replacements, spark plug replacement, tire rotation, brake inspections.
Diagnostic Troubleshooting:
Step-by-step diagnostic flowcharts for common and uncommon issues, symptom-based troubleshooting.
Repair And Replacement:
Detailed procedures for component removal, repair, and reinstallation for all major systems.
Special Tools:
Identification and usage of Subaru-specific special tools required for certain procedures.
Torquing Specifications:
Precise torque values for all fasteners and critical components.
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems.
Depth Level:
Complete Workshop Manual, suitable for professional technicians and advanced DIY enthusiasts.
Diagnostic Capability:
Detailed diagnostic procedures, including OBD-II trouble codes, sensor data interpretation, and component testing.
Rebuild Instructions:
Engine and transmission rebuild procedures with clearances and specifications.
Engine Code 1999-2001:
EJ251 (2.5L SOHC Naturally Aspirated)
Engine Displacement 1999-2001:
2457 cc (2.5 Liters)
Horsepower 1999-2001:
165 hp @ 5600 rpm
Torque 1999-2001:
166 lb-ft @ 4000 rpm
Engine Code 2002-2004:
EJ253 (2.5L SOHC Naturally Aspirated)
Engine Displacement 2002-2004:
2457 cc (2.5 Liters)
Horsepower 2002-2004:
165 hp @ 5600 rpm
Torque 2002-2004:
166 lb-ft @ 4000 rpm
Engine Code Turbo:
EJ255 (2.5L DOHC Turbocharged - Forester XT models)
Engine Displacement Turbo:
2457 cc (2.5 Liters)
Horsepower Turbo:
210-230 hp (depending on model year and specific turbo setup)
Torque Turbo:
235-270 lb-ft (depending on model year and specific turbo setup)
Fuel Induction:
Electronic Fuel Injection (EFI) with Sequential Multi-Port Injection (MPI)
Fuel Type:
Unleaded Gasoline (87 octane recommended for NA, 91+ octane for Turbo models)
Compression Ratio Na:
9.7:1
Compression Ratio Turbo:
8.4:1 (approximate for EJ255)
Engine Cooling:
Liquid-cooled
Standard Transmission Na:
5-speed Manual Transmission
Standard Transmission Turbo:
4-speed Automatic Transmission (with AWD, typical for XT models)
Optional Transmission Na:
4-speed Automatic Transmission (with AWD)
Optional Transmission Turbo:
5-speed Manual Transmission (less common on US XT models)
AWD System Type:
Symmetrical All-Wheel Drive (Variable Transfer Clutch AWD for AT, Viscous Coupling AWD for MT)
Automatic Transmission Codes:
TZ1A3ZD2AB (example)
Manual Transmission Codes:
TY754VN (example)
Atf Type:
Subaru ATF HP or equivalent
Mtf Type:
Subaru Extra S. GL-5 75W-90 or equivalent
NHTSA Rollover Rating:
Four-star (Frontal Driver, Frontal Passenger, Side Driver, Side Rear Passenger - 2002 Model)
Active Safety Features:
Standard All-Wheel Drive, Four-wheel Anti-lock Braking System (ABS), Traction Control System (TCS - often standard on automatic, optional on manual depending on year).
ABS System Type:
Bosch or Teves ABS system (specific hardware can vary).
Passive Safety Features:
Front airbags, optional side-impact airbags, crumple zones, energy-absorbing steering column, three-point seatbelts with pretensioners.
Oil And Filter Change:
Every 3,750 miles or 3 months (severe conditions) / 7,500 miles or 6 months (normal conditions) - consult manual for exact specifications based on usage and oil type.
Timing Belt Replacement:
Every 60,000 miles or 4 years (for EJ25 engines, critical to follow due to interference design).
Spark Plug Replacement:
Every 60,000 miles (copper plugs) or 100,000 miles (platinum/iridium plugs, depending on original equipment).
Coolant Flush And Replace:
Every 30,000 miles or 2 years, or as specified by Subaru coolant type.
Engine Oil Capacity:
4.8 US quarts (4.5 Liters) with filter for 2.5L NA engines. Turbo engines may vary slightly.
Engine Oil Viscosity:
5W-30 (Recommended by Subaru for most conditions)
Engine Coolant Type:
Subaru Super Coolant (blue) or equivalent Long Life Antifreeze/Coolant (ethylene glycol based).
Head Gasket Failure:
While less prevalent in the EJ251/253 compared to earlier EJ22/EJ25 engines, head gasket failure can still occur. The manual provides diagnostic and repair procedures.
Catalytic Converter Issues:
Can sometimes degrade or become clogged, impacting performance and emissions. Manual covers diagnostic procedures.
Rear Main Seal Leaks:
Can develop oil leaks at the rear of the engine. Repair procedures are detailed.
Automatic Transmission Behavior:
Some AT models may exhibit occasional harsh shifts or delayed engagement, which can often be addressed with fluid changes or solenoid adjustments as per manual guidance.