Engine:
2.5L EJ25D (SOHC), 2.5L EJ251 (DOHC, Phase II), 2.2L EJ22E (SOHC - less common for 2000 model year in many markets, but FSM likely includes for broader coverage)
Fuel System:
EFI (Electronic Fuel Injection), fuel pump, injectors, pressure regulator, EVAP system
Ignition System:
Distributorless Ignition System (DIS) / Coil-on-plug (depending on engine variant), spark plugs, ignition coils, timing
Cooling System:
Radiator, coolant hoses, thermostat, water pump, cooling fan control
Exhaust System:
Manifolds, catalytic converter, mufflers, oxygen sensors
Transmission Automatic:
4-speed automatic (4EAT), hydraulic control, valve body, torque converter, fluid specifications, troubleshooting
Transmission Manual:
5-speed manual (all-wheel drive standard), clutch system, gear ratios, lubrication, troubleshooting
Drivetrain:
Symmetrical All-Wheel Drive (AWD) system, front/rear differentials, viscous coupling, driveshafts, CV joints
Suspension:
Front MacPherson struts, rear multi-link, springs, shock absorbers, control arms, stabilizer bars, alignment specifications
Steering:
Power-assisted rack and pinion, steering column, steering linkage
Brakes:
Front vented discs, rear discs, ABS (Anti-lock Braking System) components, hydraulic lines, master cylinder, brake pads, rotors
Body Chassis:
Frame structure, body panels, doors, hood, trunk, glass, seals, corrosion protection
HVAC:
Air conditioning system, heater core, blower motor, climate controls, refrigerant handling
Electrical System:
12V battery, alternator, starter motor, wiring diagrams, fuses, relays, lighting (headlights, taillights, interior)
ECU PCM:
Engine Control Unit (ECU) / Powertrain Control Module (PCM) functions, diagnostic trouble codes (DTCs), sensor inputs/outputs
Instrument Panel:
Gauges (speedometer, tachometer, fuel, temp), warning lights, odometer, trip computer
Safety Systems:
Airbags (SRS - Supplemental Restraint System), seat belts, ABS
General Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotation, brake inspection, belt inspection/replacement
Engine Overhaul:
Engine disassembly, cleaning, inspection, machining specifications, reassembly, torque sequences, timing belt replacement (if applicable), head gasket replacement
Transmission Repair:
Automatic transmission overhaul (valve body, clutch packs, seals), manual transmission rebuild (gears, bearings, synchros)
Drivetrain Service:
Differential fluid changes, CV axle replacement, AWD system component service
Suspension Steering Service:
Shock/strut replacement, ball joint and tie rod end replacement, power steering pump and rack service, wheel bearing replacement
Brake System Service:
Brake pad and rotor replacement, caliper service, brake bleeding, ABS component diagnosis and replacement
Electrical Diagnosis:
Troubleshooting electrical faults using wiring diagrams, component testing, sensor diagnostics
HVAC Service:
Refrigerant handling and recharging, A/C compressor replacement, heater core replacement, evaporator service
Bodywork Repair:
Panel removal and installation, glass replacement, bumper repair, door mechanism adjustment
Diagnostic Troubleshooting:
System-by-system troubleshooting guides, symptom-based diagnostic trees, diagnostic trouble codes (DTCs) interpretation and resolution
Torque Specifications:
Detailed torque values for all major fasteners and components
Depth:
Comprehensive (covers everything from basic maintenance to complete engine and transmission rebuilds)
Diagnostics:
Advanced electronic diagnostics with specific procedures for sensor testing and ECU troubleshooting
Wiring Diagrams:
Detailed, system-specific wiring diagrams with pinouts and wire colors
Emissions Controls:
Detailed information on emission control systems, components, and diagnosis
Special Tools:
Lists and descriptions of required special Subaru tools for specific procedures
Oil Change Interval:
Every 3,750 miles or 3 months (whichever comes first) under normal driving conditions; 3,000 miles or 3 months under severe driving conditions. Refer to FSM for specific definitions.
Air Filter Replacement:
Every 15,000 miles or 12 months. Inspect more frequently.
Cabin Air Filter Replacement:
Not standard on all trims; if equipped, every 15,000 miles or 12 months.
Spark Plug Replacement:
Platinum tipped plugs: 60,000 miles. Standard plugs (less common): 30,000 miles. Refer to FSM for specific plug type.
Coolant Replacement:
First change at 30,000 miles or 24 months. Subsequent changes at 30,000 miles or 24 months. Use Subaru Super Coolant or equivalent.
Transmission Fluid Change Automatic:
Every 30,000 miles or 24 months under severe conditions. Every 60,000 miles or 48 months under normal conditions. Consult FSM for definition of severe/normal.
Transmission Fluid Change Manual:
Every 30,000 miles or 24 months. Inspect for leaks.
Differential Fluid Change Front Rear:
Every 30,000 miles or 24 months.
Timing Belt Replacement:
Critical component! 105,000 miles or 7 years (whichever comes first). FSM details procedure and necessary related components (tensioner, idlers, water pump).
Engine Oil Type And Viscosity:
API SG/SH/SJ, SAE 5W-30. Check FSM for specific requirements for EJ25D vs. EJ251.
Engine Oil Capacity:
4.8 US quarts (4.5 Liters) with filter change (EJ25D/EJ251)
Coolant Type:
Subaru Super Coolant (Blue) or equivalent ethylene glycol-based coolant with corrosion inhibitors. Do NOT mix coolant types.
Brake Fluid Type:
DOT 3 or DOT 4
Head Gaskets:
EJ25D engines (Phase I) are known for premature head gasket failure. The EJ251 (Phase II) improved upon this, but it can still occur. FSM details inspection and replacement procedures.
Crankshaft Thrust Bearing:
Early EJ25 engines (especially automatic transmission equipped) could experience crankshaft walk due to thrust bearing failure. This is a severe issue. FSM will have diagnostic methods.
Oil Leaks:
Common leak points include valve cover gaskets, oil pan gaskets, and front crankshaft seals.
Automatic Transmission Harsh Shifts:
Can sometimes be related to fluid condition or solenoids within the valve body. FSM provides diagnostic steps.
Ac Compressor Failure:
Early failure of the AC compressor can occur, often related to clutch issues or internal wear. FSM covers AC system diagnostics.