Engine Mechanical:
Complete engine assembly, cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication system, cooling system, intake manifold, exhaust manifold.
Engine Management:
Fuel injection system (EFI), ignition system, emission control systems, engine control unit (ECU) diagnostics and troubleshooting, sensors (oxygen, throttle position, crankshaft, camshaft), actuators.
Transmission Manual:
Gearbox assembly, clutch system, shift linkages, internal components, repair procedures, fluid specifications.
Transmission Automatic:
Automatic transmission assembly, torque converter, valve body, hydraulic system, electronic controls, repair procedures, fluid specifications.
Drivetrain AWD:
Subaru's Symmetrical All-Wheel Drive system, front differential, rear differential, center differential (if applicable), driveshafts, CV joints, coupling unit, lubrication, troubleshooting.
Suspension:
Front and rear suspension components, struts, shock absorbers, springs, control arms, bushings, sway bars, alignment specifications, troubleshooting.
Brakes:
Front and rear brake systems (disc brakes), hydraulic system, brake fluid specifications, master cylinder, calipers, pads, rotors, parking brake, ABS system (if equipped), troubleshooting.
Steering:
Power steering system, steering rack/gearbox, pump, hoses, fluid specifications, steering column, troubleshooting.
Electrical System:
Battery, charging system (alternator), starting system (starter motor), lighting systems, horn, wipers, power windows, mirrors, fuses, relays, wiring diagrams, troubleshooting.
Body And Interior:
Body panel removal and installation, door mechanisms, interior trim, seats, dashboard, HVAC system (heating, ventilation, air conditioning) components and service.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, air filter replacement, drive belt inspection and replacement.
Engine Repair:
Head gasket replacement, piston and ring replacement, bearing replacement, valve adjustments, timing belt/chain replacement, complete engine rebuilds.
Transmission Service:
Clutch replacement, transmission fluid service, seal replacement, internal transmission repair (manual and automatic).
Brake Service:
Brake pad and rotor replacement, brake caliper service, bleeding brake lines, ABS component replacement and diagnostics.
Suspension And Steering Repair:
Strut and shock replacement, bushing replacement, tie rod end replacement, power steering pump replacement, steering rack rebuild/replacement.
Electrical Diagnostics:
Troubleshooting electrical faults using wiring diagrams, component testing, starter and alternator testing, ECU diagnostics.
HVAC Service:
Refrigerant system service, component replacement (compressor, evaporator, condenser), blower motor replacement, blend door actuator repair.
Troubleshooting Guides:
Diagnostic flowcharts and symptom-based troubleshooting for common issues.
Torque Specifications:
Precise torque values for all critical fasteners during assembly and disassembly.
Depth Level:
Comprehensive; covers everything from basic maintenance to full engine and transmission rebuilds, including detailed electrical diagnostics.
Diagnostic Capabilities:
Advanced; includes detailed diagnostic procedures, fault codes, sensor data interpretation, and troubleshooting flowcharts.
Rebuild Procedures:
Full; provides step-by-step instructions for complete disassembly, inspection, repair, and reassembly of major components.
Oil Change Interval:
Every 3,750 miles or 6 months (severe driving), 7,500 miles or 12 months (normal driving) - consult specific manual for exact recommendation.
Timing Belt Replacement:
Approximately every 90,000 to 105,000 miles or 7 years (for EJ25, EJ20 engines) - critical maintenance item.
Engine Oil Type:
SAE 5W-30 or 5W-40, API SG or higher. Consult owner's manual for specific viscosity based on climate.
Engine Oil Capacity:
Approx. 4.5 US quarts (4.3 liters) with filter change.
Coolant Type:
Subaru Super Coolant (blue) or equivalent ethylene glycol-based coolant. Mix 50/50 with distilled water.
Transmission Fluid Manual:
API GL-4 or GL-5 gear oil, SAE 75W-90 (for manual gearbox).
Transmission Fluid Automatic:
Subaru ATF HP or DEXRON-III compatible fluid (for automatic gearbox).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Head Gasket Failure:
Certain EJ25 engines (particularly earlier Phase 1 SOHC and DOHC) are known for head gasket leaks (internal or external). This manual would detail replacement procedures.
Rear Main Seal Leaks:
Leaking rear main crankshaft seals can occur over time.
Suspension Wear:
Bushings and ball joints can wear, leading to knocking noises and alignment issues.
Automatic Transmission Issues:
Some early automatic transmissions may exhibit hard shifting or delayed engagement if not properly maintained.