Engine Mechanical:
Complete engine assembly, cylinder head, block, pistons, connecting rods, crankshaft, camshafts, valve train, timing belt, oil pump, cooling system, lubrication system, fuel delivery system.
Engine Electrical:
Ignition system, fuel injection system (ECU, sensors, actuators), starter system, charging system, emissions control systems (EGR, O2 sensors).
Transmission:
Automatic transmission (4-speed), manual transmission (5-speed), clutch system, torque converter, transmission control module (TCM), drive shafts, differentials.
Drivetrain:
All-Wheel Drive (AWD) system, viscous coupling, center differential, rear differential, axle shafts, hubs.
Suspension:
Front struts, rear struts, control arms, bushings, stabilizer bars, coil springs, shock absorbers.
Brakes:
Front disc brakes, rear disc brakes, anti-lock braking system (ABS), brake fluid, master cylinder, calipers, rotors, brake lines, parking brake.
Steering:
Power steering system, steering rack, power steering pump, steering column, tie rods, steering knuckle.
Electrical System:
Battery, alternator, starter, lighting system (headlights, taillights, interior), fuses, relays, wiring diagrams, power distribution.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, evaporator, condenser, compressor, blower motor, refrigerant system, control panels.
Body And Chassis:
Body panels, doors, hood, trunk, bumpers, frame, unibody construction, sound deadening, weather stripping.
Interior:
Seats, dashboard, instrument cluster, door panels, headliner, carpet, seat belts, airbags (SRS).
Diagnostics:
On-board diagnostics (OBD-II) system, trouble codes (DTCs), diagnostic procedures, sensor data interpretation.
Routine Maintenance:
Oil change, filter replacement, fluid checks and changes (coolant, brake fluid, power steering fluid, transmission fluid), spark plug replacement, air filter replacement, battery maintenance.
Major Repairs:
Engine overhaul, cylinder head removal/installation, transmission overhaul, clutch replacement, brake caliper/rotor replacement, suspension component replacement, timing belt replacement.
Troubleshooting:
Step-by-step diagnostic guides for common and uncommon drivability issues, electrical faults, mechanical problems.
Component Replacement:
Detailed instructions for replacing virtually every component of the vehicle, from minor sensors to major powertrain parts.
Wiring Diagrams:
Complete and detailed electrical wiring schematics for all vehicle systems.
Torque Specifications:
Accurate torque values for all critical fasteners.
Special Tools:
Identification and usage of specific tools required for certain repair procedures.
Specifications Data:
All technical specifications for engine, transmission, chassis, electrical, and HVAC systems.
Depth:
Expert-level diagnostics and repair procedures, suitable for professional technicians and advanced DIY enthusiasts.
Oil Change Interval:
Every 3,750 miles (6,000 km) or 3 months, whichever comes first.
Air Filter Replacement:
Every 15,000 miles (24,000 km)
Fuel Filter Replacement:
Every 30,000 miles (48,000 km)
Spark Plug Replacement:
Every 30,000 miles (48,000 km) (Platinum type recommended, longer interval if used)
Timing Belt Replacement:
Every 60,000 miles (96,000 km) or 4 years, whichever comes first. Critical replacement.
Coolant Flush:
Every 30,000 miles (48,000 km) or 2 years.
Engine Oil Type:
API SG or SH, SAE 5W-30
Engine Oil Capacity:
4.7 US quarts (4.4 liters) with filter change
Coolant Type:
Subaru Super Coolant (or equivalent ethylene glycol-based coolant with rust inhibitor)
Power Steering Fluid Type:
ATF (Automatic Transmission Fluid)
Head Gaskets:
Early EJ25D engines (2.5L) were prone to head gasket failure due to design. EJ22E engines are generally more robust.
Automatic Transmission:
Some models may experience delayed shifting or 'flare' under certain conditions; fluid and filter changes are critical.
Suspension Bushings:
Wear and tear on suspension bushings can lead to noise and handling degradation over time.
Catalytic Converter:
Can become clogged with age and mileage, affecting performance and emissions.