Engine Mechanical:
Engine assembly, cylinder head, block, pistons, crankshaft, camshafts, timing belt/chain, lubrication system
Engine Fuel:
Fuel injection system (MPI), fuel pump, fuel filter, injectors, fuel lines, evaporative emission control (EVAP)
Engine Ignition:
Ignition system components (coils, plugs, wires), ignition timing, knock sensor
Engine Cooling:
Radiator, water pump, thermostat, cooling fan, coolant hoses, coolant types
Engine Exhaust:
Exhaust manifold, catalytic converter, muffler, oxygen sensors
Engine Electrical:
Alternator, starter motor, battery, wiring diagrams, ECU (Engine Control Unit) and sensor diagnostics
Transmission Automatic:
ATF type, internal components, torque converter, valve body, solenoids, shift control, servicing, rebuilding
Transmission Manual:
Clutch operation, transmission disassembly/assembly, gear ratios, shift mechanism, fluid specifications
Drivetrain AWD:
All-Wheel Drive system operation, front differential, rear differential, viscous coupling unit, transfer case (if applicable)
Suspension:
Front struts, rear shocks, control arms, bushings, springs, stabilizer bars, alignment specifications
Steering:
Power steering system, pump, rack and pinion, tie rods, steering column, fluid specifications
Brakes:
Brake system operation, disc/drum brakes, ABS (Anti-lock Braking System), brake fluid type, bleeding procedures, components (calipers, rotors, pads, master cylinder)
Body Exterior:
Body panels, doors, hood, tailgate, bumpers, glass, seals, trim
Body Interior:
Dashboard, seats, carpets, headliner, door panels, HVAC controls, trim components
Electrical System:
Lighting (headlights, taillights, interior), power windows, power locks, mirrors, horn, fuses, relays, wiring diagrams
HVAC:
Air conditioning system, heating system, blower motor, evaporator, condenser, refrigerant type, servicing
Diagnostics:
OBD-II (On-Board Diagnostics II) procedures, diagnostic trouble codes (DTCs), troubleshooting flowcharts
Preventative Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotations, brake inspections
Troubleshooting:
Systematic diagnosis of common and uncommon issues, symptom-based troubleshooting guides
Repair And Rebuild:
Detailed step-by-step instructions for component removal, repair, and reinstallation for all major systems
Component Replacement:
Instructions for replacing specific parts such as spark plugs, brake pads, sensors, pumps, etc.
Torque Specifications:
Precise torque values for critical fasteners throughout the vehicle
Alignment Specifications:
Wheel alignment angles (camber, caster, toe) for front and rear
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems
Depth:
Expert level, covering complete overhauls and advanced diagnostics
Target Audience:
Professional mechanics, DIY enthusiasts, restorers
Oil Change Interval:
Every 3,750 miles or 3 months, whichever comes first (severe driving conditions) / Every 7,500 miles or 6 months (normal driving conditions) - consult manual for specifics
Air Filter Replacement:
Every 15,000 miles or 12 months
Cabin Air Filter Replacement:
Every 15,000 miles or 12 months (if equipped)
Spark Plug Replacement:
Every 60,000 miles (use platinum or iridium plugs)
Timing Belt Replacement:
Every 105,000 miles or 105 months (critical maintenance item)
Transmission Fluid Change Automatic:
Every 30,000 miles (severe use) or as per manual recommendations.
Transmission Fluid Change Manual:
Every 30,000 miles
Engine Oil Viscosity:
5W-30 (API SG or SH)
Engine Oil Capacity:
4.8 US quarts (4.6 liters) with filter
Coolant Type:
Subaru Super Coolant (Blue) or equivalent ethylene glycol-based coolant
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid:
Subaru power steering fluid or equivalent DEXRON II/III ATF
Head Gaskets:
Potential for coolant leaks, especially in early models. The 2001 model may still be susceptible, though later revisions improved this. A common Subaru issue.
Timing Belt Tensioner:
Potential for failure if not replaced on schedule, leading to catastrophic engine damage.
Catalytic Converter:
Can fail over time, leading to reduced engine performance and check engine lights.
Oxygen Sensors:
Can degrade over time, affecting fuel economy and emissions.
Wheel Bearings:
Can become noisy (humming or grinding) and require replacement.