Engine Mechanical:
Engine overhaul, cylinder head, block, pistons, crankshaft, camshafts, timing, lubrication system, cooling system.
Engine Electrical:
Ignition system, fuel injection system (EFI), sensors, wiring diagrams, engine control module (ECM).
Transmission Manual:
Manual transmission overhaul, clutch, shift linkage, transfer case.
Transmission Automatic:
Automatic transmission overhaul, fluid changes, torque converter, electronic controls.
Drivetrain:
All-Wheel Drive (AWD) system, differentials, driveshafts, axles, CV joints.
Suspension:
Front and rear suspension components, struts, shocks, springs, control arms, bushings.
Brakes:
Brake system diagnostics, hydraulic components, ABS, brake pads, rotors, lines, calipers.
Steering:
Power steering system, steering column, tie rods, steering gear.
Body Electrical:
Lighting, wipers, horn, power windows, power locks, interior electronics, fuses, relays, battery, starter, alternator.
Body Interior:
Body panel removal/installation, interior trim, seats, airbags, dashboard, climate control, door mechanisms.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system operation, components, and service.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and changes, tire rotation, spark plug replacement, belt inspection/replacement.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics for all major systems.
Repair Overhaul:
Detailed step-by-step instructions for component removal, repair, reassembly, and installation for engine, transmission, suspension, brakes, etc.
Electrical Troubleshooting:
Wiring diagrams, component testing procedures, circuit diagnosis for electrical faults.
Body Repair:
Body panel alignment, dent repair procedures, glass replacement, door and trim repair.
Specification Data:
Torque specifications, clearances, fluid capacities, part numbers, diagnostic parameters.
Depth:
Comprehensive factory-level technical information, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complete engine and transmission rebuilds, including diagnostic procedures and detailed wiring diagrams.
Engine Type 2 5 X:
2.5L (2457cc) Naturally Aspirated EJ253 SOHC Flat-4 Boxer Engine
Engine Type 2 5 Xt:
2.5L (2457cc) Turbocharged EJ255 DOHC Flat-4 Boxer Engine (Forester XT models)
Horsepower 2 5 X:
Approx. 165 hp @ 5600 rpm
Torque 2 5 X:
Approx. 166 lb-ft @ 3600 rpm
Horsepower 2 5 Xt:
Approx. 210 hp @ 5600 rpm (XT models)
Torque 2 5 Xt:
Approx. 235 lb-ft @ 3600 rpm (XT models)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (87 octane recommended for NA, 91 octane recommended for Turbo)
Ignition System:
Distributorless Ignition System (DIS) with coil-on-plug or coil pack configurations.
Oil Change Interval:
Every 3,750 miles or 3 months (typical for this era, check manual for specific recommendations).
Timing Belt Replacement Na:
Every 105,000 miles or 7 years for the EJ253 SOHC engine (critical replacement).
Timing Belt Replacement Turbo:
Every 105,000 miles or 7 years for the EJ255 DOHC turbocharged engine (critical replacement).
Spark Plug Replacement Na:
Every 60,000-105,000 miles depending on plug type (copper vs. platinum/iridium).
Brake Fluid Change:
Every 30,000 miles or 2 years.
Engine Oil Type:
API SG or SH, SAE 5W-30 (check owner's manual for exact specifications and temperature ranges).
Coolant Type:
Subaru Super Coolant (blue) or equivalent ethylene glycol based coolant.
Transmission Fluid Manual:
API GL-5, SAE 75W-90 gear oil for manual transmission and transfer case.
Transmission Fluid Automatic:
Subaru ATF-HP (High Performance) or equivalent Dexron III compatible fluid. Capacity approx. 3.9 quarts (drain and fill).
Head Gaskets:
While less prone than some earlier EJ engines, coolant leaks from head gaskets can occur. The manual details inspection and replacement procedures.
Turbo Failure Xt:
Turbocharged XT models can experience turbocharger issues if oil is not changed regularly or if abused. Manual covers turbo diagnostics and replacement.
Cv Axle Boots:
Torn CV axle boots can lead to premature wear of the CV joints. Manual provides replacement instructions.