Engine:
All engine variants, including diagnostics, maintenance, repair, overhaul, specifications, and troubleshooting.
Transmission:
Both automatic (4-speed) and manual (5-speed) transmissions, including removal, installation, overhaul, diagnostics, and fluid specifications.
Drivetrain:
All-Wheel Drive (AWD) system, including differentials, driveshafts, CV joints, and related components.
Brakes:
Front disc, rear disc (or drum on some base models), ABS, parking brake systems, including hydraulic components, ABS modulator, and component replacement.
Suspension:
Front McPherson struts, rear multi-link or trailing arm suspension, including component replacement, alignment specifications, and troubleshooting.
Steering:
Power steering system, including pump, rack and pinion, hoses, and fluid specifications.
Electrical System:
Comprehensive coverage of starter, alternator, battery, ignition system, lighting, power windows, locks, mirrors, and accessory circuits.
Climate Control:
HVAC system, including A/C compressor, refrigerant, heater core, blower motor, and controls.
Fuel System:
Fuel pump, injectors, fuel lines, fuel filter replacement, and evaporative emission control (EVAP) system.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, pipes, and oxygen sensors.
Cooling System:
Radiator, water pump, thermostat, hoses, coolant specifications, and bleeding procedures.
Body And Chassis:
Body panel removal and installation, door mechanisms, glass replacement, frame specifications, and corrosion protection.
Safety Systems:
Airbag system diagnostics and replacement, seatbelt mechanisms.
Routine Maintenance:
Oil and filter changes, air filter replacement, spark plug replacement, brake fluid flush, coolant flush, transmission fluid changes, differential fluid changes, power steering fluid changes.
Troubleshooting:
Diagnostic flowcharts for common and uncommon issues across all major systems, including engine performance, electrical faults, and drivability problems.
Component Repair And Overhaul:
Detailed step-by-step instructions for engine rebuilds, transmission overhauls, brake caliper replacement, suspension component rebuilds, etc.
Diagnostics:
OBD-II diagnostic codes, diagnostic procedures for specific systems, use of diagnostic tools.
Installation And Removal:
Step-by-step guides for removing and installing virtually all major and minor components.
Specifications And Tolerances:
Torque specifications, measurement tolerances, clearances for engine, transmission, suspension, brakes, and body components.
Depth:
Comprehensive, covering everything from basic fluid changes and filter replacements to full engine and transmission rebuilds, complex electrical diagnostics, and chassis repairs.
Engine Code And Type:
EJ253 (Naturally Aspirated 2.5L SOHC Boxer-4)
Engine Code And Type Turbo:
EJ255 (Turbocharged 2.5L SOHC Boxer-4) - Turbo models (e.g., Forester S/TB)
Horsepower Na:
165 hp @ 5,600 rpm (approx.)
Torque Na:
166 lb-ft @ 3,600 rpm (approx.)
Horsepower Turbo:
210-230 hp @ 5,600 rpm (approx.)
Torque Turbo:
235-250 lb-ft @ 3,600 rpm (approx.)
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline
Recommended Octane Na:
87 (or higher)
Recommended Octane Turbo:
91 (or higher)
NHTSA Front Impact Driver:
Not rated or 4-star (varies by year/testing protocol)
NHTSA Front Impact Passenger:
Not rated or 4-star (varies by year/testing protocol)
IIHS Side Impact:
Acceptable (often for models with optional side airbags)
ABS:
Standard on most models, 4-wheel disc with ABS.
Traction Control:
Not generally available on these models.
Airbags:
Dual front airbags standard. Optional side airbags available on select trims/years.
Seatbelts:
3-point front and rear seatbelts, pre-tensioners for front seats.
Oil Change Interval:
Every 3,750 miles or 3.75 months (severe conditions) / 7,500 miles or 7.5 months (normal conditions, check manual for exact specs).
Engine Air Filter Replacement:
Every 15,000 miles or 15 months.
Cabin Air Filter Replacement:
Not standard on all trims during this period; if equipped, typically every 15,000 miles or 15 months.
Spark Plug Replacement:
Every 60,000 miles (NGK Platinum or Iridium recommended).
Coolant Replacement:
Initial 60,000 miles or 4 years, then every 30,000 miles or 2 years thereafter.
Transmission Fluid Change Auto:
Every 30,000 miles or 30 months.
Transmission Fluid Change Manual:
Every 30,000 miles or 30 months.
Engine Oil Type Na:
SAE 5W-30 Synthetic (API SG or higher)
Engine Oil Type Turbo:
SAE 5W-30 Synthetic (API SG or higher)
Engine Oil Capacity Na:
4.5 US quarts (with filter)
Engine Oil Capacity Turbo:
4.5 US quarts (with filter)
Coolant Type:
Subaru Super Coolant (Blue) or equivalent silicate-free antifreeze/coolant
Head Gasket Leaks:
While more prevalent in later EJ25 engines, early signs or coolant consumption can indicate potential head gasket issues. The manual will detail diagnostic procedures.
Catalytic Converter Failure:
Can occur due to engine misfires or excessive oil consumption; manual covers exhaust system diagnostics.
Automatic Transmission Issues:
Occasional reports of hesitation or slipping, particularly with higher mileage. Manual provides detailed repair and diagnosis.