Engine Mechanical:
Full Engine disassembly, inspection, repair, and reassembly for the EZ30D engine. Includes cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication system, and cooling system.
Engine Performance:
Fuel injection, ignition system, emissions control (EVAP, EGR), turbocharger (if applicable to specific market variants, though 2006 US model is naturally aspirated), intake and exhaust systems.
Transmission:
5-speed automatic transmission (TZ1Axxxx) diagnostics, repair, fluid service, torque converter, valve body, and control systems. Includes detailed shift solenoid function and diagnostic procedures.
Drivetrain:
Symmetrical All-Wheel Drive (AWD) system, including front and rear differentials, viscous coupling center differential, drive axles, CV joints, and prop shaft diagnostics and repair.
Suspension:
Front independent strut, rear multi-link suspension systems. Includes shock absorbers, springs, control arms, ball joints, sway bars, bushings, wheel alignment specifications, and diagnosis of suspension noises.
Brakes:
Hydraulic braking system, ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), brake calipers, rotors, pads, master cylinder, brake lines, bleeding procedures, and diagnostic trouble codes (DTCs).
Steering:
Power steering system, steering rack, power steering pump, fluid specifications, troubleshooting, and component replacement.
Electrical System:
Full vehicle electrical schematics, battery, charging system (alternator), starting system (starter motor), fuses, relays, wiring diagrams, component testing, and troubleshooting using multimeters.
Lighting:
Headlights, taillights, interior lighting, fog lamps, bulb replacement, and diagnostic procedures for lighting circuits.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system. Includes blower motor, evaporator, condenser, refrigerant charging, pressure readings, cabin filter replacement, and diagnostic procedures.
Body And Frame:
Body panel removal/installation, door mechanisms, latches, hinges, glass replacement, exterior trim, underbody protection, and frame integrity checks.
Interior:
Dashboard removal, seat removal/installation, trim panels, center console, airbags (SRS - Supplemental Restraint System) system diagnosis and safety precautions, seat belts, and interior component replacement.
ECM PCM Diagnostics:
Engine Control Module (ECM) / Powertrain Control Module (PCM) diagnostics, sensor inputs/outputs, actuator testing, diagnostic trouble codes (DTCs) lookup and interpretation, and software update procedures.
Bcm Diagnostics:
Body Control Module (BCM) diagnostics, integration with various vehicle systems (lighting, windows, locks), and troubleshooting of BCM-related issues.
Routine Maintenance:
Detailed instructions for oil changes (including filter part numbers and oil specification), tire rotations, brake fluid checks, coolant flushes, air filter replacement, cabin air filter replacement, spark plug replacement, and battery maintenance.
Troubleshooting Guides:
Systematic troubleshooting flowcharts for common and complex issues, diagnostic symptom analysis, and pinpoint testing procedures for electrical and mechanical faults.
Component Replacement:
Step-by-step guides for replacing major components such as alternators, starter motors, radiators, water pumps, fuel pumps, ignition coils, fuel injectors, wheel bearings, and more.
Rebuild Procedures:
Comprehensive procedures for engine and transmission rebuilds, including torque specifications, critical dimensions, and assembly sequences.
Diagnostic Tool Usage:
Guidance on using OBD-II scanners, specific Subaru diagnostic tools (e.g., Select Monitor), and interpreting scan data.
Specifications Data:
Extensive torque specifications for all fasteners, fluid capacities, diagnostic parameters, electrical specifications, and measurement data.
Wheel Alignment:
Front and rear wheel alignment specifications (camber, caster, toe) for maintaining optimal tire wear and handling.
Tire And Wheel:
Information on tire sizes, inflation pressures, wheel bolt patterns, and torque specifications for lug nuts.
Depth Of Information:
Factory-level detail covering everything from basic maintenance to complex component removal, repair, and overhaul. Includes diagnostic charts, wiring diagrams, and internal component specifications.
Oil Change Interval:
Every 3,750 miles or 6 months, whichever comes first (under severe driving conditions), or 7,500 miles or 12 months (under normal driving conditions). Check owner's manual for specific details.
Transmission Fluid Change:
Recommended every 30,000 miles or 30 months, or more frequently with heavy towing or off-road use.
Engine Air Filter:
Replace every 15,000 miles or 12 months.
Cabin Air Filter:
Replace every 15,000 miles or 12 months.
Spark Plugs:
Replace every 60,000 miles (using iridium-tipped spark plugs).
Engine Oil:
SAE 5W-30, API SN or higher, ILSAC GF-5 certified. Capacity: 6.9 US quarts (6.5 liters) with filter change.
Coolant:
Subaru Super Coolant (Blue) or equivalent. Capacity: 7.8 US quarts (7.4 liters).
Brake Fluid:
DOT 3 or DOT 4.
Power Steering Fluid:
Subaru Genuine Power Steering Fluid or equivalent. Do not use generic ATF.
Head Gasket Leaks:
While less common on the 6-cylinder EZ30D compared to earlier 4-cylinder Subaru engines, head gasket integrity should always be monitored, especially with age and mileage.
Transmission Hard Shifts:
Some owners report occasional rough or delayed shifts. This can be related to transmission fluid degradation, solenoid issues, or TCM software glitches, all of which are covered in the manual.
HVAC Blower Motor:
Occasional failure of the HVAC blower motor or its resistor can lead to inconsistent fan speeds or complete loss of airflow.
Suspension Noise:
Worn bushings, ball joints, or sway bar links can lead to clunks or rattles, particularly over uneven surfaces.
Tpms Sensors:
Issues with Tire Pressure Monitoring System (TPMS) sensors can occur due to battery failure or sensor malfunction.