Engine Mechanical:
Detailed disassembly, inspection, repair, and reassembly of all engine components (e.g., cylinder heads, blocks, pistons, crankshafts, camshafts, valvetrain).
Engine Management:
Fuel injection, ignition system, sensors, actuators, engine control unit (ECU) diagnostics and programming, emission control systems (EVAP, EGR).
Transmission Manual:
Clutch system, gearbox disassembly, repair, and adjustment. Gear shift mechanisms.
Transmission Automatic:
Torque converter, hydraulic control system, valve body, planetary gear sets, electronic control unit (TCU) diagnostics and repair.
Drivetrain:
Front and rear differentials, driveshafts, CV joints, wheel bearings, propeller shafts, transfer cases (if applicable).
Suspension:
Front and rear suspension components (struts, shocks, control arms, bushings, ball joints, sway bars), alignment specifications.
Steering:
Power steering system (pump, rack, hoses), steering column, tie rods, steering angle sensor.
Brakes:
Disc and drum brake systems, hydraulic components (master cylinder, calipers, wheel cylinders, brake lines), ABS system components and diagnostics.
Electrical System:
Battery, charging system (alternator), starting system (starter motor), lighting (headlights, taillights, interior), horn, wipers, power windows, locks, mirrors.
Body And Frame:
Body panel removal and installation, door mechanisms, interior trim, glass replacement, structural repair procedures.
HVAC:
Air conditioning system (compressor, refrigerant, condenser, evaporator), heating system, climate control unit, blower motor, ducting.
Fuel System:
Fuel tank, fuel pump, fuel filter, fuel lines, fuel injectors, fuel pressure regulator.
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, exhaust pipes, oxygen sensors.
Cooling System:
Radiator, coolant hoses, thermostat, water pump, cooling fan, heater core.
Preventive Maintenance:
Scheduled maintenance tasks, fluid changes, filter replacements, belt inspections and replacements.
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs) and their meanings, sensor testing.
Repair And Overhaul:
Step-by-step instructions for component removal, repair, replacement, and reinstallation for all major vehicle systems.
Adjustment And Calibration:
Brake adjustments, clutch adjustments, steering wheel alignment, sensor calibration.
Electrical Troubleshooting:
Wiring diagrams, circuit testing procedures, component testing.
Component Replacement:
Detailed instructions for replacing common wear items and major components.
Specifications And Tolerances:
Torque specifications, clearances, runout measurements, and other critical tolerances for engine and chassis components.
Depth Of Coverage:
Comprehensive, covering from basic maintenance to complex engine and transmission rebuilds.
Diagnostic Complexity:
Includes detailed diagnostic trees and component testing procedures for advanced troubleshooting.
Wiring Diagrams:
Detailed, system-specific wiring diagrams provided.
NHTSA Front Impact Driver:
Good
NHTSA Front Impact Passenger:
Good
NHTSA Side Impact Front Driver:
Good
NHTSA Side Impact Front Passenger:
Good
NHTSA Side Impact Rear Driver:
Good
NHTSA Side Impact Rear Passenger:
Good
IIHS Frontal Offset Score:
Good
IIHS Side Impact Score:
Good
ABS:
Standard (4-wheel disc on most models, front disc/rear drum on some base models)
Traction Control:
Available, especially on higher trims and AWD models.
Airbags Front:
Driver and passenger front airbags standard.
Airbags Side:
Available front side-impact airbags on some models.
Seatbelts:
Three-point seatbelts for all occupants, pretensioners and force limiters for front seats.
Oil Change Interval:
Every 3,750 miles (6,000 km) or 6 months, whichever comes first, using synthetic oil. Check manual for specific recommendations.
Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months.
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months (if equipped).
Spark Plug Replacement:
Iridium spark plugs: 60,000 miles (96,000 km). Platinum spark plugs: 30,000 miles (48,000 km). Check manual for specific engine type.
Timing Belt Replacement:
Not applicable for these models, as they utilize timing chains.
Engine Oil Spec:
SAE 5W-30, API Service SG, SH, SJ, or ILSAC GF-2 certified synthetic oil recommended. Consult manual for exact PN.
Coolant Spec:
Subaru Super Coolant (blue) or equivalent long-life antifreeze. Check manual for capacity and type.
Brake Fluid Spec:
SAE J1703 or FMVSS No. 116 DOT 3.
Power Steering Fluid Spec:
Subaru Genuine Power Steering Fluid or Dexron III ATF. Consult manual for PN.
Head Gaskets:
While less common in this generation compared to earlier EJ engines, head gasket leaks can still occur, especially in high-mileage vehicles or those with improper cooling maintenance.
O2 Sensors:
Oxygen sensors can fail over time, leading to check engine lights and reduced fuel economy.
Suspension Bushings:
Worn suspension bushings (control arm, sway bar) can lead to knocking noises and degraded handling.
Automatic Transmission:
Some automatic transmissions may exhibit delayed shifting or torque converter shudder, especially with age and mileage. Regular fluid changes are critical.
Cv Joints:
Front CV joint boots can tear, leading to grease loss and potential joint failure if not addressed promptly.